Altium Solder Mask Expansion

12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). WIR SIND IHR PROFESSIONELLER PARTNER FÜR DIE LEITERPLATTENPRODUKTION. Tolerances. В Altium Designer любой вывод может быть скрытым. 個々のソルダーマスク開口は、PCB Inspector パネル(Solder Mask Override オブジェクト パラメータを有効にして)でも定義できます。Use Separate Solder Mask Expansion チェックボックスを有効にすれば、トップとボトムレイヤを個々に設定できます。. Altium is super awesome at importing, and pretty mediocre at exporting. In the circuit, it is necessary to drive 8 relays. Altium Designer Specifies Mask and Manufacturing Rules for Solder Mask. altium designer project. 1299 Solder Mask expansion now updates correctly when updating a footprint from a PCB library. Large in-stock quantities able to ship same day. You can add notes to your fab drawings to specify that soldermask shall not intrude on any surface mount pads (and make sure the pad master is included in your gerbers). Where Altium users and enthusiasts can interact with each other. The exception is SMD (solder mask defined pads) where the mask opening is smaller than the pad copper, but these can be identified manually if you ever use them. 05 mm (2 mil) solder mask swell on their recommended patterns. In this section, You can find contents and topics for Altium Designer software that I will teach in the class. 帮助电子工程师步入职业发展. I am trying to set multiple pads solder mask expansion value to be 10 mil Unfortunately when viewing multiple selected pads using PCB Inspector tool, no. You can draw an arc, which is a part of a circle with parameters angle, radius and width of the line. 1mm as their default as well. Multi Circuit Boards ist ein führender europäischer Anbieter von günstigen Hightech-Leiterplatten und Multilayer-Platinen mit bis zu 48 Lagen, ab 1AT Produktionszeit. Paste Mask Expansion:助焊层收缩量规则. Tipically the solder mask expansion are suggested from the manufacture of the component, like the stencil opening for the solder paste, don't forget it ! This two aspect concern about the assembly and, in some cases, could be a problem during reflow process and/or Pick and Place assembly. A query is a string you enter using specific keywords and syntax, which will return the. Comparison between Altium Designer’s default design rules and the rules configured in BAC’s Altium. Altium Designer是业界首例将原理图设计,集成库设计、集成化PCB 设计、混合信号仿真、布局前/后信号完整性分析、可编程器件. smaller than the solder mask opening. Paste Mask Expansion. Solder Mask Expansions. By default, the size of the solder paste stencil cutout will be the same as the solder mask cutout, which is bad. If I follow a 4 mil solder mask expansion guideline around pads I will have little less than 2 mil left between solder masks on neighboring pins. Online Documentation for Altium Products - IPC-7351B Compliance - 2014-11-13 - Free download as PDF File (. Typically paste mask openings are smaller than the pad, while solder mask openings are larger than the pad, but there are exceptions to this. Look up an Altium tutorial video on how rules work. Altium Designer 中的组件和库 5 3. Xilinx recommends using Non Solder Mask Defined (NSMD) copper BGA landing pads for optimum board design. Just a quick informative note with my Design Rules settings for the iTead Studio PCB service, with Altium. Readbag users suggest that PCB File Formats Specifications is worth reading. solder mask expansion What is really the reason for adding soldermask expansion? and what is the tolerance? Solder Mask in Altium (1). 05 mm solder mask expansion for 99% of my components. The expansion is measured from the outer edge of the copper. This plane should be solder with a cable to a potential, so i don't want the solder mask on it. I have less experience with Eagle, but with Altium can can create a pad/poly pour/trace and exclude it from getting solder mask, leaving the copper exposed. In the production of printed circuit board there should be some space for pads on solder mask layer, which avoid the overlapping of solder mask layer and pads. Thus, in the “Pads Mask Clearance” dialog I usually set the Solder mask min width to 4 mil and the Solder mask clearance to 2 mil (assuming the 3 mil max is an infrequent worst case). Solder Mask Expansion 组焊层延伸量。用于设计从组焊层之间的距离,在电路板制作时,组焊层要预留一部分空间给焊盘,这个延伸量就是防止组焊层和焊盘相重叠。 Paste Mask Expansion 表面粘着元件延伸量。表面粘着元件的焊盘和焊锡层孔之间的距离. Read about 'Adjust Solder Mask Expansion from PCBLIB Inspector' on element14. 4mm pitch BGA packages, via pad and hole size, tenting, breakouts, solder mask expansion etc. A planned enclosure (casing) will enclose both the main zx81+35 board, the keyboard and the optional expansion/extension board to guarantee a sturdy whole. 为Altium工具新功能开发提交您的创意并参与投票. Solder Mask Expansion from Hole Board Outline Clearance Checking Schematic Symbol Generation Tool. while you are trying to pick the. 3) Click on the pad you wish to modify to view its Properties. Hi, While making a component in library I can tick only Paste / Solder Mask Override using PCB Inspector. Submit ideas and vote for new features you want in Altium tools. For smaller width, call your salesperson for pricing and turntime. Specify expansion value - Enable this Specify expansion value option to edit the expansion value and the paste mask expansion design rule is overridden for this pad. The default is for the pad to use the Expansion value from rules (the Paste Mask Expansion rule and the Solder Mask Expansion rule), this can be overridden and local values defined directly in the Pad. 4mm pitch BGA packages, via pad and hole size, tenting, breakouts, solder mask expansion etc. This instruction is entered in the form of a Query. The expansion is measured from the outer edge of the copper. Via Pwr/Gnd Expansion - the number of pads associated with unique Clearance values specified in defined power plane clearance rules. Name:FR4 double sided pcb circuit board. 12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). Typically paste mask openings are smaller than the pad, while solder mask openings are larger than the pad, but there are exceptions to this. Manufacturing-Solld mask expansion3. Submit ideas and vote for new features you want in Altium tools. 4396 Issues with opening older Protel/Altium designs have been resolved. Depending on the design, a solder jumper can be used to connect two pads or pins together. Solder Mask Expansions. PAD - See LAND. You can open up the footprint in the library editor, select the pads, and in the Inspector change the expansion. 1mm as their default as well. An opening in the solder mask is automatically created by the software and is the same shape as the via. Large in-stock quantities able to ship same day. The flexibility of the software is also noticeable where others don't seem to be well enough to compete with it. I adapted Microchip's USB demo board schematics, the one with a 18f87J50 microcontroller and threw the components on the board (after some nights spent with Altium tutorials. This opening can be larger (a positive expansion value) or smaller (a negative expansion value) than the via itself as defined by the Solder Mask Expansion setting. Altium Designer Specifies Mask and Manufacturing Rules for Solder Mask. Contact: IPC 3000 Lakeside Drive, Suite 309S Bannockburn, Illinois 60015-1249 Tel 847 615. When vias are first placed in a design the default is to follow the rules. Create a PcbDoc and place extruded shapes. 我们的博客展示我们关注的领域,希望同样也能激起您的兴趣. Test Point Clearance Check. If you use too small of a value for the expansion, you risk some pads to be partially covered by solder mask after manufacturing. I am not sure how do I do it in Altium? Is it by having a Solid (copper) Fill in the Top/Bottom. After performing an Advanced Library Search, changing to Simple Search will now populate filter fields correctly. Design Rule Value Clearance 6 mils Routing Minimum Width 6 mils Routing Maximum Width Large* Minimum Annular Ring 7 mils Hole Size Minimum 15 mils Hole Size Maximum Large* Minimum Solder Mask Sliver 6 mils Solder Mask Expansion 0 mils No slots N/A *=Large meaning, there isn t a maximum, as long as it fits on your board. Altium Designer PCB设计规则中英对照(转自网络) ----- Electrical(电气规则) Clearance:安全间距规则 Short Circuit:短路规则 UnRouted Net:未布线网络规则 UnConnected Pin:未连线引脚规则 Routing(布线规则) Width:走线宽度规则 Routing Topology:走线拓扑布局规则 Routing Priority:布线优先级规则 Routing Layers:布线. This tutorial will help you get started by taking you through the entire process of designing a simple PCB - from idea to outputs files. Last Ask-Away-Friday, I received the following question: "Which PCB Design Rules should I adhere to in order to get a decently manufacturable PCB?" Because the answer can only be given for a specific design, I will give a bit more general answer. You can set Solder Mask Expansion and Paste Mask Expansion as a negative value. Nowa jakość zarządzania biblioteką komponentów, danymi projektowymi i współpracy ECAD-MCAD dzięki Altium Concord Pro, będącego kontynuacją rozwijanej od lat technologi Altium Vault. Bug Crunch. 075 mm (3 mil) and many component mfr. I have created a solid region of the shape I desire. This tutorial will help you get started by taking you through the entire process of designing a simple PCB - from idea to outputs files. The Soldermask may encroach on lands as long as the minimum annular ring requirements are maintained. 051 millimeters) is sufficient, but if you have space you could increase that a bit. Gerber cam software can do a huge variety of artwork checks covering issues such as acid traps, component legend over pads, solder mask expansion, minimum distances between adjacent features belonging to same net and or differing nets, etc. Depending on the design, a solder jumper can be used to connect two pads or pins together. Solder mask is the solder mask layer, except the pad (surface pads mount pads, plug-in pads, vias) on PCB boards, the other areas should be covered with solder resist ink. 's are calling out 0. 1304 PCB Collaborate, Compare & Merge panel is now showing / matching layers correctly. 18 P a g e. This is the expansion of mask relief over pad area. 27mm wide (unusual), so reducing the pad size is unattractive. 7 mils because the default setting in Altium is set to a 4-mil expansion in the component editor. The solder mask expansion standard is 4mil. The flexibility of the software is also noticeable where others don't seem to be well enough to compete with it. Let's say you have a T-shape drawn on Top layer. TestPoint(测试点. A violation of a rule is flagged as soon as the violation occurs during placement. The solder mask expansion standard is 4mil. paste mask - PCB layers in Altium - What are the files required to the PCB manufacturer - How To Paste Soldar mask on Both sides of VIAS - Comparing two BRD files in Cadence - Component Spacing vs Solder Mask Minimum Width (Insufficient Solder) -. In Altium Designer a via is handled in the same way as a pad. altium基本规则的设定_晨曦中的月光_新浪博客,晨曦中的月光, Solder Mask Expansion:阻焊层收缩量规则. 0, see New in Altium Designer. Ensuring that there is a minimum width of solder mask across the board, this rule checks the distance between any two solder mask openings that are equal to or greater than the user-specified value. 2) Mar 17, 21008 1 This is a high-level roadmap to guide you in understanding how P-CAD terminology translates and can be found in Altium Designer. For smaller width, call your salesperson for pricing and turntime. Red is copper, and purple is solder mask. The expansion is measured from the edge of the copper. Paste Mask Expansion:助焊层收缩量规则. I have less experience with Eagle, but with Altium can can create a pad/poly pour/trace and exclude it from getting solder mask, leaving the copper exposed. Step 10: PCB Solder Mask Application. Mask(阻焊层规则) Solder Mask Expansion:阻焊层收缩量规则. - How thick should be the solder stencil. The default is for the pad to use the Expansion value from rules (the Paste Mask Expansion rule and the Solder Mask Expansion rule), this can be overridden and local values defined directly in the Pad. Fabricar circuito pcb con el método de la acetona y la lejía - Duration: 14:50. (In any case, I haven’t run across a manufacturer that offers silkscreen without solder mask. 3mm Preferred: 0. Ghi nhớ? What's New? Forum; Forum Home; FAQ; Calendar; Community. Similarly, minimum solder mask dam for Green solder mask is 3 mil and others will be 5 mil. Leiterplatten schnell und günstig. The manufacturer's documentation suggests specific geometry for solder pad, solder. 102mm) and make this smaller for high density parts (maybe as low as 2mm) or make it negative for solder mask defined pads or to encroach vias. 051 millimeters) is sufficient, but if you have space you could increase that a bit. 2、双击Fill敷铜或者Line之后选择Solder Mask Expansion至Expansion values from rules,这样就能进行开窗了。最好还要将Paste Mask Expansion设置成Expansion values from rules,这个是为了开钢网。 3、设置完之后Fill敷铜和Line就有了开窗了,如下图所示: Top Paste层如下图:. Then the board will immediately fail the end-of-line go-nogo test. For smaller width, call your salesperson for pricing and turntime. Altium® has officially announced the upcoming launch of a new product that is designed to simplify the experience of working together with other engineers, designers, and stakeholders in the electronic product design process. If you use a positive expansion number, it means how much bigger the mask opening is comparing to the pad if you use negative expansion number, it means how much smaller the mask opening is comparing to the pad edges. (I use Altium Designer) any help would be greatly appreciated. Mask(阻焊层规则) Solder Mask Expansion:阻焊层收缩量规则. The tricks required to create Component Step Models are: 1. #12583 Draftsman - Fixed bug where PCB was not shown in board assembly front view. Altium Designer gives us full control over pad sizes on all layers if we choose to do that, as well as options to set solder mask expansion or allow the via to be used as a test point. If the reference is the hole edge, and the same pad had a hole diameter of 30mil, then the 70mil mask opening would be achieved by a 20mil expansion ( hole diameter + (2 x expansion) ). Hi, While making a component in library I can tick only Paste / Solder Mask Override using PCB Inspector. Altium Designer (Design Rules)约束规则简介(二)_中国PCB设计斯达雷欧_新浪博客_中国PCB设计斯达雷欧_新浪博客,中国PCB设计斯达雷欧,本文由深圳市斯达雷欧科技有限公司提供 转载请注明!. Polygon Connect Style :焊盘与覆铜连接类型规则. This opening can be larger (a positive expansion value) or smaller (a negative expansion value) than the via itself, as defined by the Solder Mask Expansion setting. The coverlay protects the outer surface components and conductors from damage and corrosion and insulates the conductors as well. Mark Forums Read. 1301 An access violation when Board Regions do not have a defined layer stack has been fixed through the investigation of a crash report. Expansion of Solder Mask from Hole “We’ve expanded your options for defining solder mask expansions from the hole edge or pad edge for greater precision and control in your PCB designs. 508mm, 395 count : 1. The expansion board can also be used as an extender to give the edge connector some people want, either on the left, or by extending the top of the board, even on the back. What is the difference between Ceramic PCB , FR4 Boards & MCPCB? If you're using printed circuit boards, you can use the standard FR4 boards or you can go with a metal core printed circuit board (MCPCB). For smaller width, call your salesperson for pricing and turntime. Polygon Connect Style:焊盘与覆铜连接类型规则. This page provides navigation to the child pages listed below. Options are available to follow the expansion defined in the applicable design rule or to override the rule and apply a specified expansion directly to the individual pad or via in question. Options are available to follow the expansion defined in the applicable design rule, or to override the rule and apply a specified expansion directly to the individual pad or via in question. Our minimum is 0. The simplest repair is to fold the lead over to a still-attached copper trace and solder it as shown to the left. Via Tenting. Digi-Key offers 8M+ products from 800+ manufacturers. The outer gold is probably your ground plane. The position of the Footprints' name of the PCB can be changed same as Prefix Position. Die Solder Mask Expansion der Pads wird von deinen Rules festgelegt wennn du den Wizzard verwendest. PTH (PLATED THROUGH HOLE) – A hole in which electrical connection is made between external or internal layers or both, by the plating of metal on the wall of the hole. PAD – See LAND. Guest Post: Ruminating Rigid-Flex – Flex Circuit Materials (Part 1) Today, designers face increasing project requirements for densely populated electronic circuits including pressures to reduce manufacturing times and costs, writes Ben Jordan of Altium, in the first of a three-part series. Solder Mask Expansion from Hole Board Outline Clearance Checking Schematic Symbol Generation Tool. Solder mask expansion can be defined for pads and vias on an individual basis, in the associated properties dialog. Soldermask Expansion = ((Pad - (Drill + Relief)) /2) *-1 Soldermask Defined Pad Mounting Little Foot. Root Cause Failure Analysis of Printed Circuit Board Assemblies Presented By: Dale Lee 8 March 2011 Wisconsin Chapter What do you mean 0% first pass yield? My process is in control , so what happened?. Negative solder mask expansion exists when the solder mask covers a portion of the pad. Altium Limited, a global leader in Electronic Design Automation, native 3D PCB design systems (Altium Designer) and embedded software development toolkits (TASKING), has released the 16. tháng 7 năm 2015. If the solder mask completely covers most or all of the pad, the SMT part will be completely disconnected from that pad. Altium Designer原理图与PCB设计第8章PCB的高级编辑. 合适的差值在 10mil 以上。. Solder mask bridge, also known as green oil bridge, solder mask dam, is the green oil between the spacing of the SMD pads to SMD pads (the width of the solder resist ink between the two soldermask openings). 7100 Fax 847 615. Mask(阻焊层规则) Solder Mask Expansion:阻焊层收缩量规则 Paste Mask Expansion:助焊层收缩量规则 Plane(电源层规则) Power Plane Connect Style:电源层连接类型规则 Power Plane Clearance:电源层安全间距规则 Polygon Connect Style:焊盘与覆铜连接类型规则 TestPoint(测试点规则). 05mm might work, at it would leave 0. Solder Mask Expansions. PCB with peelable solder mask. Figure 1-2 illustrates the difference between NSMD and SMD pads. Hi, While making a component in library I can tick only Paste / Solder Mask Override using PCB Inspector. Solder Mask Expansions. Our blog about things that interest us and hopefully you too. The specification is intended to facilitate evaluation of solder mask by a vendor using a standard board system, and to enable designer, manufacturer, and user together to qualify a production board process. Polygon Connect Style:焊盘与覆铜连接类型规则. The exception for this is a Thermal Tab. If the part is created in the Calculator then anyone can apply their preferences for Solder Mask swell, Pad Shape, Paste Mask Reduction and use the mfr. 14, Altium designer 15 phần mềm thiết kế mạch hiện đại, bản cập nhật với nhiều sửa lỗi. 7 mils because the default setting in Altium is set to a 4-mil expansion in the component editor. It also protects the outside conductors layers from abrasion and corrosion. 那是阻焊层(Top Solder),是焊盘必须的,没有的话绿油将覆盖铜皮,没法焊接。 可设置大小,也可取消(有时可能需要),双击焊盘:在Solder Mask Expansions栏设置。Force complete tenting on xx项勾选可取消阻焊. Altium designer中,怎么改焊盘的大小?是solder mask expansions 我来答 新人答题领红包. 12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). Altium Solder mask expansion rule. • Solder mask defined (SMD) The main differences between the two surface land pad types are the size of the trace and spacing between the trace lines, the type of vias you can use, and the shape of the solder balls after solder reflow. PIC32 – Dragon Flame Rev. You will then need to re-export your gerbers and load them back into GerbView. Similarly, minimum solder mask dam for Green solder mask is 3 mil and others will be 5 mil. P-CAD to Altium Designer Terminology Guide Version (v1. Look up an Altium tutorial video on how rules work. KiCad's solder mask clearance has a default of 0. Help make the software better by submitting bugs and voting on what's important. because solder tends to wet the upper surface first before filling the vias. #12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). Altium Designer Notes and PCB Design Guidelines. 0,07-mmwide solder mask. - Minimum solder mask expansion/Minimum solder mask sliver. 1mm as their default as well. Get a quote online today. #12583 Draftsman - Fixed bug where PCB was not shown in board assembly front view. Instead, the mask is created such that a gap is created between the edge of the pad and the solder mask. NO - YOU DON'T TENT TO REMOVE THE PASTE MASK. to isolate. A The product was developed using tools and materials already familiar to me to tighten the development cycle so some component choices were not ideal but were chosen because I already had programmers on hand, code already written, or schematic and footprint libraries already created for past projects. Enter your email address to follow this blog and receive notifications of new posts by email. Let's say you have a T-shape drawn on Top layer. But I agree with IPC and that Solder Mask Swell and Gang Masking is the fabrication CAM operator's job and not the PCB designer's. 0,07-mmwide solder mask. He was surprised at how the solder mask expansion was done by a vibrating table. Я не могу кликнуть ни на что, и все компоненты и дорожки серые. Manufacturing-Solld mask expansion3. The outer gold is probably your ground plane.   However, these schematics are lacking from a PCB point of view in that they do not pass enough Class or Rule information to properly constrain the PCB. Tipically the solder mask expansion are suggested from the manufacture of the component, like the stencil opening for the solder paste, don't forget it ! This two aspect concern about the assembly and, in some cases, could be a problem during reflow process and/or Pick and Place assembly. You will find below a picture of FAKRA high speed connector footprint. 10-21 Meet PCBWay At Productronica Messe München 2019; 09-20 Call for partnership in PCBWay Third PCB Design Contest(coming in October) 08-20 How to measure differential signals using an oscilloscope [Examining the ADSL2+] 08-08 The Impact of Pre-treatment in Solder Mask Bridge of PCB Production. Правило Solder Mask Expansion определяет зазор между защитной маской и размерами PAD. 005" over pad dimension or 0. Draw wiring area, within ≤1mm from the edge of the PCB board, and within 1mm around the mounting hole, wiring is prohibited. So the solder has more than eight times the resistance. Dave looks at some issues with fanning out tiny 0. altium基本规则的设定_晨曦中的月光_新浪博客,晨曦中的月光, Solder Mask Expansion:阻焊层收缩量规则. Altium Designer (AD) 中规则的部分讲解 Solder Mask Expansion:阻焊层收缩量规则 Paste Mask Expansion:助焊层收缩量规则. Information on the use of solder mask is contained in IPC-SM-840C Qualification and Performance of Permanent Solder Mask. When vias are first placed in a design the default is to follow the rules. 12325 Draftsman - Fixed bug where only the pad that is inside the custom pad generates Solder Mask/Paste Mask. Power Plane Clearance :电源层安全间距规则. 5mil however after speaking to the manufacturer PCBzone in NZ, they have told me he lowest I should go for is 8mil. Defined • Solder Solder Solder wicking wicking wicking around around around around NSMD NSMD pads pads produce produce significantly significantly lower. 1304 PCB Collaborate, Compare & Merge panel is now showing / matching layers correctly. You can explore the documentation for this new release in the Altium Designer techdocs or read about new features at Altium blog. The flexibility of the software is also noticeable where others don’t seem to be well enough to compete with it. 12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). 09 mm or more. Plugging a via hole with solder would do very little to reduce its resistance. Read about 'Adjust Solder Mask Expansion from PCBLIB Inspector' on element14. This is the only way to ensure that the entire pad remains free of solder resist and optimum soldering results can be achieved. Solder mask expansion can be defined for pads and vias on an individual basis, in the associated properties dialog. Design variants are intelligently supported in Altium Designer, which, says the company, eliminates human errors. #12325 Draftsman - Fixed bug where only the pad that is inside the custom pad generates Solder Mask/Paste Mask. In such a case the tracks and arcs that utilize the new Solder Mask and Paste Mask expansion properties can now accomplish the same task. - Clearance - Short-Circuit - Un-ruted net Reglas Tipo Mask - Paste mask expansion - Solder mask expansion-Reglas Tipo Manufacturing - Hole size - Hole to Hole Clearance Reglas Tipo Placement - Room definition - ComponentClearance - Height Implementacin de las Reglas de diseo en una PCB-CLASE 4 - LIBRERIAS & STEPS Diseo de libreras desde cero. "It is recommended to design the solder mask as a Non-Solder Mask Defined (NSMD) type. Altium's defaults won't leave a solder mask sliver between pins on. Help make the software better by submitting bugs and voting on what's important. 6RIGID-FLEX CIRCUITS A GUIDE BOOK FOR DESIGNERSwww. It is this light that goes through solder mask photo films. - Minimum solder mask expansion/Minimum solder mask sliver. Contact: IPC 3000 Lakeside Drive, Suite 309S Bannockburn, Illinois 60015-1249 Tel 847 615. 如果是焊盘,直接双击焊盘,可设置Solder mask expansions中的Specify cxpansion value. PCBA is characterized by collaboration and incorporation of CM techniques and equipment capabilities into design decisions. The circuits must then use additional fi lms (usually PI or PET, sometimes fl exible solder mask ink) for coverlay. Our minimum is 0. Guten Abend, ich arbeite mich grad in Altium ein und möchte ein VQFPN56 Package in einer neuen PCBlib erstellen. This eliminates tin lead under the mask. If the reference is the hole edge, and the same pad had a hole diameter of 30mil, then the 70mil mask opening would be achieved by a 20mil expansion (hole diameter + (2 x expansion)). Зайдите на сайт wiki. The OBTACLE you draw or the PAINT on the board. com, выберите Русский вариант Altium Wiki. In today’s PCB designs, there are situations where we need different expansion settings for top and bottom layers of applied solder masks. Beim Design Rule Check meiner Platine habe ich hunderte von Fehlern, die auf den Minimum Solder Mask SLiver zurückgehen. If the reference is the hole edge, and the same pad had a hole diameter of 30mil, then the 70mil mask opening would be achieved by a 20mil expansion ( hole diameter + (2 x expansion) ). With PCB designs, you need to make sure that the solder mask is never on top of SMD pads. In Altium Designer ist es möglich eine globale Löt­stopp Frei­stellung über eine DRC Regel zu defi­nieren (Solder Mask Expansion value from rule), oder aber eine spe­zifische Frei­stellung vor­zu­geben(Specify Solder Mask Expansion value). Jak masz to zrobione, to zaznaczasz 'advanced (query)' i wchodzisz do 'query builder. NSMD pads are pads that are not covered by any solder mask, as opposed to Solder Mask Defined (SMD) pads in which a small amount of solder mask covers the pad landing. There are just a couple rules - The Gap should be the same as your trace/space No solder Mask in the Gap The pad size should be able to carry whatever current you're using Here are some alternate solder jumpers that work well - Stay connected - follow us! Twitter - LinkedIn LaserAlex Members Profile Send Private Message Find Members. What is a soldermask, silkscreen, pads, tracks? Posted on August 4, 2016 August 4, 2016 by lpson A printed circuit board or PCB, is a plate or board used for placing the different elements that conform an electrical circuit that contains the electrical interconnections between them. 合适的差值在 10mil 以上。. "To apply specific top and bottom expansion rules for a particular Net for example, define the applicable Net in the query match (upper section of dialog), check the Use Separate Solder Mask Expansion option and enter the desired expansion distances for the Top and Bottom layers. For solder mask expansion of pads and vias, users can specify different values on the top and bottom layers. 0 Pcb Module Circuit PDF - Google Search. If the reference is the hole edge, and the same pad had a hole diameter of 30mil, then the 70mil mask opening would be achieved by a 20mil expansion ( hole diameter + (2 x expansion) ). For a long time, I also wanted to learn USB programming with PICs and to use Altium designer. But I agree with IPC and that Solder Mask Swell and Gang Masking is the fabrication CAM operator's job and not the PCB designer's. to ensure maximum yield in production. Explore the featured content from blog posts to social media and technical white papers gathered together for your convenience. When the footprints are created using the IPC compliant wizard, the pads have solder mask expansion set from rules, hence it depends how you set your expansion value rule in the particular PCB. The Navigation tree on the left can also be used, click the triple bar icon. Posts about solder mask written by Jean. It is only 1. A The product was developed using tools and materials already familiar to me to tighten the development cycle so some component choices were not ideal but were chosen because I already had programmers on hand, code already written, or schematic and footprint libraries already created for past projects. Step 10: PCB Solder Mask Application. 12325 Draftsman - Fixed bug where only the pad that is inside the custom pad generates Solder Mask/Paste Mask. He was surprised at how the solder mask expansion was done by a vibrating table. Plugging a via hole with solder would do very little to reduce its resistance. Jak masz to zrobione, to zaznaczasz 'advanced (query)' i wchodzisz do 'query builder. This dialog allows the designer to browse, and manage, the defined design rules for the current PCB document. This article discusses how designing for optimization of printed circuit board assembly is accomplished by your board design and component choices. If you use too small of a value for the expansion, you risk some pads to be partially covered by solder mask after manufacturing. Solder paste has to be printed into vias as well as on the pads. This is the easiest and least costly process—actually there is no added cost for this. If you can't achieve the appropriate value, you should tent the vias. // That works great for Pads, but not so good for Vias. #12320 Draftsman - Fixed bug where solder mask expansion is absent for Vias on Fab view (BC:6697). When vias are first placed in a design the default is to follow the rules. 12mm standard?. To fix this, right click on navigator and select "Select Objects". Mask (阻焊层设计)规则用于设置焊盘到阻焊层的距离,Solder Mask Expansion (阻焊层延伸量)选项区域设置该规则用于设计从焊盘到阻碍焊层之间的延伸距离。在电路板的制作时,阻焊层要预留一部分空间给焊盘。. PAD - See LAND. Зайдите на сайт wiki. Another important function of the solder mask is to cover all traces, i. Via Solder Mask, Count. Release Notes for Altium Designer. NSMD (NON SOLDER MASK DEFINED PAD) – A pad design characterized by the opening in the solder mask being larger than the copper pad for a BGA. Electrical (signal) connections are created on the top layer or the bottom layer —for PCBs with 2 layers. Altium only allows global setting of the copper weight. The paste mask expansion can be defined for pads on an individual basis. #12583 Draftsman - Fixed bug where PCB was not shown in board assembly front view. Manufacturing-Solld mask expansion3. Robot Get Gold plated traces or regular Solder. Solder mask expansion and design variant capabilities have also been improved in Altium Designer 15. In the service bureau business, we usually get good schematics. 5mm pitch packages and solder mask expansion I have a LTC2225 ADC I need to make a footprint for. You should check with your PCB manufacturer what expansion value you should use and what is the minimum solder mask sliver allowed. With PCB designs, you need to make sure that the solder mask is never on top of SMD pads. PS: Mask settings are not influencing electrical connection of VIA. After performing an Advanced Library Search, changing to Simple Search will now populate filter fields correctly. The file contains 36 page(s) and is free to view, download or print. Discover features you didn't know existed and get the most out of those you already know about. Altium Designer PCB设计规则中英对照(转自网络) ----- Electrical(电气规则) Clearance:安全间距规则 Short Circuit:短路规则 UnRouted Net:未布线网络规则 UnConnected Pin:未连线引脚规则 Routing(布线规则) Width:走线宽度规则 Routing Topology:走线拓扑布局规则 Routing Priority:布线优先级规则 Routing Layers:布线. kotations 278,225 views. As the focusing sensor works only when the camera's mirror is down, when in video mode, with the mirror up, the camera switches into manual focusing mode, via the lens focusing ring. I’ve been soldering for a long time, and I take pride in my abilities. This is the simplest form of RF PCB board. Dave looks at some issues with fanning out tiny 0. However, in Altium you can't draw a filled circle so you have to cheat it.