PCBTok is Suitable for Constructing Your PCB Layout
Do you know any Chinese company that offers complete PCB solutions?
- Veteran company for PCBs – established 2008
- High-tech materials such as HDI, Rogers, Microwave, and RF are used.
- We provide full service, including wiring and PCB assembly.
- Expert at modifying and customizing exactly to your specifications
PCBTok provides excellent solutions in the development your PCB layout, and other PCB essential issues.
Follow Your Demands in PCB Layout
PCB Layout is PCBTok’s strong point.
If done correctly, PCB layout has an impact on the overall quality of your product.
It is critical for product design, so you cannot make careless mistakes.
This type of PCB service needs stringent Quality Control, which we adhere to.
When we do it, we make certain that we use complete the essentials:
Precise PCB schematics, PCB routing, and correct PCB placement.
We believe that the proper PCB layout is critical.
Please read this page for all key information needed.
PCB Layout By Feature
Whenever you have a PCB design that you want to replicate, we offer the PCB Reverse Engineering service. It will bring you much convenience.
We adopt a responsible Component Sourcing policy. This PCBTok guarantee helps you receive higher-quality, safer raw materials. We also do it at a lower, competitive cost.
High Power PCB is synonymous with Power Supply PCB, Module PCB, and so on. All are constructed especially to the specifications you submit.
High Voltage PCB is similar to High Power PCB, on both of these, we ensure a smooth surface on the edges to maximize power.
Setting up a long PCB called Backplane PCB, is setting up a type of PCB that connects other circuit boards together.
PCB Layout By Material Used (6)
PCB Layout By Surface Finish & Dimension (6)
PCB Layout Benefits

PCBTok can offer 24h online support for you. When you have any PCB-related questions, please feel free to get in touch.

PCBTok can build your PCB prototypes quickly. We also provide 24 hour production for quick-turn PCBs at our facility.

We often ship goods by international forwarders such as UPS, DHL, and FedEx. If they are urgent, we use priority express service.

PCBTok has passed ISO9001 and 14001, and also has USA and Canada UL certifications. We strictly follow IPC class 2 or class 3 standards for our products.
Expertly Crafted PCB Layouts
Majority of PCB fabricators are unable to provide PCB Layout.
However, PCBTok does since our company has extensive experience with PCB manufacturing alongside PCB design.
We can provide complete support, not just for the initial steps of PCB production.
We also offer PCB prototype and cable assembly services.
We subject our PCB Layout to thorough analysis for 100% efficacy.
Please inquire now.

Our Fine PCB Layout Service
PCBTok always aims to ensure customer satisfaction in PCB Layout services.
Software such as Kicad, Protel, Eagle, and Altium can be used.
All of them are genuine, used with security measures in mind.
Our PCB Layout and PCBA processes are all ISO:1400 and ISO:9000 compliant.
As the rule, we exclusively use top PCB steps in Surface Mount Technology (SMT) and Plated Through Hole (PTH).
Create your competitive advantage with PCBTo’k’s high-quality services.
PCB Layouts Appreciated Internationally
Shortcuts don’t result in good PCB Layout. As a result, we never do them.
We provide a large assortment of tried and true Multilayer PCBs.
PCB Layout and the products that result from it are used in a variety of sectors.
PCBs from us are the best choice for all of your PCB needs because of their low cost of ownership.
Our PCB Layouts can also be utilized for prototyping.

Allow for PCB Layout Variations


We can surely customize your PCB Layout detail orders.
For instance, blue and green are conventional solder colors.
However, we provide a wide range of customized colors.
Color has little effect on overall PCB layout performance, but it is a definite method to customize your company’s PCB.
We can customize too according to copper thickness and surface finish.
PCB Layout & PCB Fabrication
Each PCB manufacturer has various advantages and disadvantages, as well as unique qualities and benefits that they may provide based on your requirements.
However, PCBTok has the advantage of industry experience as well as known international clients.
For example, we are RoHS certified. So, if you are from the EU, you can take it easy with us!
We’ll always provide PCB Layout options that are ideal for your purposes. We are a truly reliable organization.
Learn how to effectively remove overspending from your budget by partnering with PCBTok.
Not only do we save you money, we are not the buy-one-then-throw away PCB manufacturer.
We want to make sure your PCB Layout that results in your PCB is world-class. That is why we are keen to get your feedback.
We are easy to talk to for every PCB Layout question.
Just give us a call. Or leave a message.
OEM & ODM PCB Layout Applications
Our PCB Layout for Commercial Applications can sometimes also be applied in household products. Home office computer equipment is currently a major product line.
For the next generation of IT applications, the sizes of mobile devices are assigned to intricate PCB Layout. We use high Count Layer Multilayer PCBs in this scenario.
Aluminum PCBs and Metal Core PCBs are examples of PCB Layout for Lighting Solutions. To meet the demands of always-on LED lights, all are extremely heat-efficient.
Even at high temperatures, the PCB layout for automotive engines should be verifiably resilient. Overheating is dangerous in autos.
When selecting PCB Layout for the Medical Industry, consider Shengyi or PCB laminates from reputable PCB material providers.
PCB Layout Production Details As Following Up
- Production Facility
- PCB Capabilities
- Shipping Method
- Payment Methods
- Send Us Inquiry
NO | Item | Technical Specification | ||||||
Standard | Advanced | |||||||
1 | Layer Count | 1-20 layers | 22-40 layer | |||||
2 | Base Material | KB、Shengyi、ShengyiSF305、FR408、FR408HR、IS410、FR406、GETEK、370HR、IT180A、Rogers4350、Rogers400、PTFE Laminates(Rogers series、Taconic series、Arlon series、Nelco series)、Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4) | ||||||
3 | PCB Type | Rigid PCB/FPC/Flex-Rigid | Backplane、HDI、High multi-layer blind&buried PCB、Embedded Capacitance、Embedded resistance board 、Heavy copper power PCB、Backdrill. | |||||
4 | Lamination type | Blind&buried via type | Mechanical blind&burried vias with less than 3 times laminating | Mechanical blind&burried vias with less than 2 times laminating | ||||
HDI PCB | 1+n+1,1+1+n+1+1,2+n+2,3+n+3(n buried vias≤0.3mm),Laser blind via can be filling plating | 1+n+1,1+1+n+1+1,2+n+2,3+n+3(n buried vias≤0.3mm),Laser blind via can be filling plating | ||||||
5 | Finished Board Thickness | 0.2-3.2mm | 3.4-7mm | |||||
6 | Minimum Core Thickness | 0.15mm(6mil) | 0.1mm(4mil) | |||||
7 | Copper Thickness | Min. 1/2 OZ, Max. 4 OZ | Min. 1/3 OZ, Max. 10 OZ | |||||
8 | PTH Wall | 20um(0.8mil) | 25um(1mil) | |||||
9 | Maximum Board Size | 500*600mm(19”*23”) | 1100*500mm(43”*19”) | |||||
10 | Hole | Min laser drilling size | 4mil | 4mil | ||||
Max laser drilling size | 6mil | 6mil | ||||||
Max aspect ratio for Hole plate | 10:1(hole diameter>8mil) | 20:1 | ||||||
Max aspect ratio for laser via filling plating | 0.9:1(Depth included copper thickness) | 1:1(Depth included copper thickness) | ||||||
Max aspect ratio for mechanical depth- control drilling board(Blind hole drilling depth/blind hole size) |
0.8:1(drilling tool size≥10mil) | 1.3:1(drilling tool size≤8mil),1.15:1(drilling tool size≥10mil) | ||||||
Min. depth of Mechanical depth-control(back drill) | 8mil | 8mil | ||||||
Min gap between hole wall and conductor (None blind and buried via PCB) |
7mil(≤8L),9mil(10-14L),10mil(>14L) | 5.5mil(≤8L),6.5mil(10-14L),7mil(>14L) | ||||||
Min gap between hole wall conductor (Blind and buried via PCB) | 8mil(1 times laminating),10mil(2 times laminating), 12mil(3 times laminating) | 7mil(1 time laminating), 8mil(2 times laminating), 9mil(3 times laminating) | ||||||
Min gab between hole wall conductor(Laser blind hole buried via PCB) | 7mil(1+N+1);8mil(1+1+N+1+1 or 2+N+2) | 7mil(1+N+1);8mil(1+1+N+1+1 or 2+N+2) | ||||||
Min space between laser holes and conductor | 6mil | 5mil | ||||||
Min space between hole walls in different net | 10mil | 10mil | ||||||
Min space between hole walls in the same net | 6mil(thru-hole& laser hole PCB),10mil(Mechanical blind&buried PCB) | 6mil(thru-hole& laser hole PCB),10mil(Mechanical blind&buried PCB) | ||||||
Min space bwteen NPTH hole walls | 8mil | 8mil | ||||||
Hole location tolerance | ±2mil | ±2mil | ||||||
NPTH tolerance | ±2mil | ±2mil | ||||||
Pressfit holes tolerance | ±2mil | ±2mil | ||||||
Countersink depth tolerance | ±6mil | ±6mil | ||||||
Countersink hole size tolerance | ±6mil | ±6mil | ||||||
11 | Pad(ring) | Min Pad size for laser drillings | 10mil(for 4mil laser via),11mil(for 5mil laser via) | 10mil(for 4mil laser via),11mil(for 5mil laser via) | ||||
Min Pad size for mechanical drillings | 16mil(8mil drillings) | 16mil(8mil drillings) | ||||||
Min BGA pad size | HASL:10mil, LF HASL:12mil, other surface technics are 10mil(7mil is ok for flash gold) | HASL:10mil, LF HASL:12mil, other surface technics are 7mi | ||||||
Pad size tolerance(BGA) | ±1.5mil(pad size≤10mil);±15%(pad size>10mil) | ±1.2mil(pad size≤12mil);±10%(pad size≥12mil) | ||||||
12 | Width/Space | Internal Layer | 1/2OZ:3/3mil | 1/2OZ:3/3mil | ||||
1OZ: 3/4mil | 1OZ: 3/4mil | |||||||
2OZ: 4/5.5mil | 2OZ: 4/5mil | |||||||
3OZ: 5/8mil | 3OZ: 5/8mil | |||||||
4OZ: 6/11mil | 4OZ: 6/11mil | |||||||
5OZ: 7/14mil | 5OZ: 7/13.5mil | |||||||
6OZ: 8/16mil | 6OZ: 8/15mil | |||||||
7OZ: 9/19mil | 7OZ: 9/18mil | |||||||
8OZ: 10/22mil | 8OZ: 10/21mil | |||||||
9OZ: 11/25mil | 9OZ: 11/24mil | |||||||
10OZ: 12/28mil | 10OZ: 12/27mil | |||||||
External Layer | 1/3OZ:3.5/4mil | 1/3OZ:3/3mil | ||||||
1/2OZ:3.9/4.5mil | 1/2OZ:3.5/3.5mil | |||||||
1OZ: 4.8/5mil | 1OZ: 4.5/5mil | |||||||
1.43OZ(positive):4.5/7 | 1.43OZ(positive):4.5/6 | |||||||
1.43OZ(negative ):5/8 | 1.43OZ(negative ):5/7 | |||||||
2OZ: 6/8mil | 2OZ: 6/7mil | |||||||
3OZ: 6/12mil | 3OZ: 6/10mil | |||||||
4OZ: 7.5/15mil | 4OZ: 7.5/13mil | |||||||
5OZ: 9/18mil | 5OZ: 9/16mil | |||||||
6OZ: 10/21mil | 6OZ: 10/19mil | |||||||
7OZ: 11/25mil | 7OZ: 11/22mil | |||||||
8OZ: 12/29mil | 8OZ: 12/26mil | |||||||
9OZ: 13/33mil | 9OZ: 13/30mil | |||||||
10OZ: 14/38mil | 10OZ: 14/35mil | |||||||
13 | Dimension Tolerance | Hole Position | 0.08 ( 3 mils) | |||||
Conductor Width(W) | 20% Deviation of Master A/W |
1mil Deviation of Master A/W |
||||||
Outline Dimension | 0.15 mm ( 6 mils) | 0.10 mm ( 4 mils) | ||||||
Conductors & Outline ( C – O ) |
0.15 mm ( 6 mils) | 0.13 mm ( 5 mils) | ||||||
Warp and Twist | 0.75% | 0.50% | ||||||
14 | Solder Mask | Max drilling tool size for via filled with Soldermask (single side) | 35.4mil | 35.4mil | ||||
Soldermask color | Green, Black, Blue, Red, White, Yellow,Purple matte/glossy | |||||||
Silkscreen color | White, Black,Blue,Yellow | |||||||
Max hole size for via filled with Blue glue aluminium | 197mil | 197mil | ||||||
Finish hole size for via filled with resin | 4-25.4mil | 4-25.4mil | ||||||
Max aspect ratio for via filled with resin board | 8:1 | 12:1 | ||||||
Min width of soldermask bridge | Base copper≤0.5 oz、Immersion Tin: 7.5mil(Black), 5.5mil(Other color) , 8mil( on copper area) | |||||||
Base copper≤0.5 oz、Finish treatment not Immersion Tin : 5.5 mil(Black,extremity 5mil), 4mil(Other color,extremity 3.5mil) , 8mil( on copper area |
||||||||
Base coppe 1 oz: 4mil(Green), 5mil(Other color) , 5.5mil(Black,extremity 5mil),8mil( on copper area) | ||||||||
Base copper 1.43 oz: 4mil(Green), 5.5mil(Other color) , 6mil(Black), 8mil( on copper area) | ||||||||
Base copper 2 oz-4 oz: 6mil, 8mil( on copper area) | ||||||||
15 | Surface Treatment | Lead free | Flash gold(electroplated gold)、ENIG、Hard gold、Flash gold、HASL Lead free、OSP、ENEPIG、Soft gold、Immersion silver、Immersion Tin、ENIG+OSP,ENIG+Gold finger,Flash gold(electroplated gold)+Gold finger,Immersion silver+Gold finger,Immersion Tin+Gold finge | |||||
Leaded | Leaded HASL | |||||||
Aspect ratio | 10:1(HASL Lead free、HASL Lead、ENIG、Immersion Tin、Immersion silver、ENEPIG);8:1(OSP) | |||||||
Max finished size | HASL Lead 22″*39″;HASL Lead free 22″*24″;Flash gold 24″*24″;Hard gold 24″*28″;ENIG 21″*27″;Flash gold(electroplated gold) 21″*48″;Immersion Tin 16″*21″;Immersion silver 16″*18″;OSP 24″*40″; | |||||||
Min finished size | HASL Lead 5″*6″;HASL Lead free 10″*10″;Flash gold 12″*16″;Hard gold 3″*3″;Flash gold(electroplated gold) 8″*10″;Immersion Tin 2″*4″;Immersion silver 2″*4″;OSP 2″*2″; | |||||||
PCB thickness | HASL Lead 0.6-4.0mm;HASL Lead free 0.6-4.0mm;Flash gold 1.0-3.2mm;Hard gold 0.1-5.0mm;ENIG 0.2-7.0mm;Flash gold(electroplated gold) 0.15-5.0mm;Immersion Tin 0.4-5.0mm;Immersion silver 0.4-5.0mm;OSP 0.2-6.0mm | |||||||
Max high to gold finger | 1.5inch | |||||||
Min space between gold fingers | 6mil | |||||||
Min block space to gold fingers | 7.5mil | |||||||
16 | V-Cutting | Panel Size | 500mm X 622 mm ( max. ) | 500mm X 800 mm ( max. ) | ||||
Board Thickness | 0.50 mm (20mil) min. | 0.30 mm (12mil) min. | ||||||
Remain Thickness | 1/3 board thickness | 0.40 +/-0.10mm( 16+/-4 mil ) | ||||||
Tolerance | ±0.13 mm(5mil) | ±0.1 mm(4mil) | ||||||
Groove Width | 0.50 mm (20mil) max. | 0.38 mm (15mil) max. | ||||||
Groove to Groove | 20 mm (787mil) min. | 10 mm (394mil) min. | ||||||
Groove to Trace | 0.45 mm(18mil) min. | 0.38 mm(15mil) min. | ||||||
17 | Slot | Slot size tol.L≥2W | PTH Slot: L:+/-0.13(5mil) W:+/-0.08(3mil) | PTH Slot: L:+/-0.10(4mil) W:+/-0.05(2mil) | ||||
NPTH slot(mm) L+/-0.10 (4mil) W:+/-0.05(2mil) | NPTH slot(mm) L:+/-0.08 (3mil) W:+/-0.05(2mil) | |||||||
18 | Min Spacing from hole edge to hole edge | 0.30-1.60 (Hole Diameter) | 0.15mm(6mil) | 0.10mm(4mil) | ||||
1.61-6.50 (Hole Diameter) | 0.15mm(6mil) | 0.13mm(5mil) | ||||||
19 | Min spacing between hole edge to circuitry pattern | PTH hole: 0.20mm(8mil) | PTH hole: 0.13mm(5mil) | |||||
NPTH hole: 0.18mm(7mil) | NPTH hole: 0.10mm(4mil) | |||||||
20 | Image transfer Registration tol | Circuit pattern vs.index hole | 0.10(4mil) | 0.08(3mil) | ||||
Circuit pattern vs.2nd drill hole | 0.15(6mil) | 0.10(4mil) | ||||||
21 | Registration tolerance of front/back image | 0.075mm(3mil) | 0.05mm(2mil) | |||||
22 | Multilayers | Layer-layer misregistration | 4layers: | 0.15mm(6mil)max. | 4layers: | 0.10mm(4mil) max. | ||
6layers: | 0.20mm(8mil)max. | 6layers: | 0.13mm(5mil) max. | |||||
8layers: | 0.25mm(10mil)max. | 8layers: | 0.15mm(6mil) max. | |||||
Min. Spacing from Hole Edge to Innerlayer Pattern | 0.225mm(9mil) | 0.15mm(6mil) | ||||||
Min.Spacing from Outline to Innerlayer Pattern | 0.38mm(15mil) | 0.225mm(9mil) | ||||||
Min. board thickness | 4layers:0.30mm(12mil) | 4layers:0.20mm(8mil) | ||||||
6layers:0.60mm(24mil) | 6layers:0.50mm(20mil) | |||||||
8layers:1.0mm(40mil) | 8layers:0.75mm(30mil) | |||||||
Board thickness tolerance | 4layers:+/-0.13mm(5mil) | 4layers:+/-0.10mm(4mil) | ||||||
6layers:+/-0.15mm(6mil) | 6layers:+/-0.13mm(5mil) | |||||||
8-12 layers:+/-0.20mm (8mil) | 8-12 layers:+/-0.15mm (6mil) | |||||||
23 | Insulation Resistance | 10KΩ~20MΩ(typical:5MΩ) | ||||||
24 | Conductivity | <50Ω(typical:25Ω) | ||||||
25 | Test voltage | 250V | ||||||
26 | Impedance control | ±5ohm(<50ohm), ±10%(≥50ohm) |
PCBTok offers flexible shipping methods for our customers, you may choose from one of the methods below.
1. DHL
DHL offers international express services in over 220 countries.
DHL partners with PCBTok and offers very competitive rates to customers of PCBTok.
It normally takes 3-7 business days for the package to be delivered around the world.
2. UPS
UPS gets the facts and figures about the world’s largest package delivery company and one of the leading global providers of specialized transportation and logistics services.
It normally takes 3-7 business days to deliver a package to most of the addresses in the world.
3. TNT
TNT has 56,000 employees in 61 countries.
It takes 4-9 business days to deliver the packages to the hands
of our customers.
4. FedEx
FedEx offers delivery solutions for customers around the world.
It takes 4-7 business days to deliver the packages to the hands
of our customers.
5. Air, Sea/Air, and Sea
If your order is of large volume with PCBTok, you can also choose
to ship via air, sea/air combined, and sea when necessary.
Please contact your sales representative for shipping solutions.
Note: if you need others, please contact your sales representative for shipping solutions.
You can use the following payment methods:
Telegraphic Transfer(TT): A telegraphic transfer (TT) is an electronic method of transferring funds utilized primarily for overseas wire transactions. It’s very convenient to transfer.
Bank/Wire transfer: To pay by wire transfer using your bank account, you need to visit your nearest bank branch with the wire transfer information. Your payment will be completed 3-5 business days after you have finished the money transfer.
Paypal: Pay easily, fast and secure with PayPal. many other credit and debit cards via PayPal.
Credit Card: You can pay with a credit card: Visa, Visa Electron, MasterCard, Maestro.
Related Products
PCB Layout – The Ultimate FAQ Guide
If you are not familiar with the PCB layout process, this article is for you. It contains detailed information on everything from board sizing to the most common questions about PCB layout. This guide will teach you how to design and plan your board to maximize efficiency. Read this guide and start on the road to the perfect PCB design! It’s completely free! It may answer more questions than you already have!
The placement of individual circuit components and other circuits on a circuit board is similar to real estate because it affects the final design. The critical component placement must also be specified. Start by specifying these placements early in the design process. This takes the pressure off and speeds up the entire process. Once the layout is defined, it is also easier to make changes to it. The Ultimate FAQ Manual
Typically, vertical and horizontal alignments should be routed alternately so that they do not overlap. This is especially true when routing components with different voltages. It is also important to consider component placement in relation to polarity and orientation. This ensures that components are wired according to their functional specifications and avoids conflicts with other circuits. Remember to include return paths in your design process.
Understanding the principles and practices of PCB layout is critical to producing successful designs. This guide will walk you through the basic PCB board design guidelines. Professional designs may require additional guidelines, but these are the basic principles that every designer should follow when designing a PCB. It is important to remember that these guidelines are not exhaustive and you can always improve your design by using them as a guide.
The layout of a circuit board is critical to the proper function of the board. PCB layout is different from a schematic. It varies from manufacturer to manufacturer. It is critical to understand the function of each component and its footprint before deciding on a layout. Please keep the following tips in mind when designing your PCB. Important components should not be connected to the edges of the board.
You must create a schematic before you can begin board design. A schematic is essentially a circuit roadmap that represents the components of a circuit. It can also be used to solve PCB problems. PCB layout is usually done with the help of EDA software. Once the schematic is complete, you can start designing the board. The use of schematics is essential when troubleshooting PCB problems.
PCB Layout Drawing
A real-time 3D preview is available in the PCB layout software. The 3D model of your manufactured PCB and all installed components can be rotated and zoomed in on three axes. You can also export the finished PCB layout in STEP or VRML 2.0 format. You can even export the model to another file format for further editing and viewing. If you use a third-party service, they will provide a more accurate layout than you can. They will also provide faster turnaround times and be cheaper than doing the design yourself.
There are several factors to consider when designing a PCB board. The layout will be determined by the location of various components. For example, the LED near the power switch indicates whether the device is on or off. Another thing to consider is the type of circuit you are designing. When designing a circuit with multiple components, you may need multiple copper layers as well as alignments on both sides.
The next step is to manufacture the PCB board. Many PCB manufacturers offer low-cost PCBs that do not require the use of chemicals or complex processes. schematic files containing information about the PCB board are required. Some PCB manufacturers will accept KiCad files directly. When you are ready to start manufacturing, simply send the design to the manufacturer for the final layout.
After importing the schematic, you will need to import the physical shape of the board. This can be done by moving existing vertices or switching to board planning mode in your CAD system. After you have decided on the component package, you must place it on the board’s profile. The network connection of the component to its associated package can then be verified. When positioning the component, keep in mind the connectivity of the component and any areas of high heat or electrical noise. Physical barriers such as cables and mounting hardware must also be considered.
The Schematic Drawing
A schematic is required before starting to design the PCB board. The schematic should include all the components needed to complete the design. Check that each component is functioning properly and does not contain obsolete parts. A design flow diagram is a great tool for planning your design. After completing the schematic, you will need to design the stack.
Before you start designing a new PCB, you should have a clear idea of what the final layout should look like. Obviously, you want to make sure that your board design meets the specifications you specify. However, there are a few things to avoid when designing your layout. Here are some guidelines to help you create the best PCB layout. Keep these suggestions in mind and you will be well on your way to creating a great board.
You should group components together and align traces so that they can be easily traced. For example, if you are using a large processor, try to place it in the center so that it does not spread out throughout the layout. This will help you avoid routing problems later. It will also help you avoid routing errors if you have the right design. Finally, pay close attention to the placement of alignments and components.
The schematic is the starting point for PCB design. The schematic design is the conceptual design of the circuit. It includes component symbols and their board locations. Alignments on the PCB are formed by a network of connections between symbols. If these are not precise, your PCB will be too large. The best source of information for layout is a schematic. You should always have the schematic before you start designing the board.
Create PCB design layout rules to ensure proper board layout, including component placement. The schematic is the first step in creating a PCB layout. There are rules and restrictions for placing parts on the board as well as defining alignment and gap widths and physical application requirements. These rules provide the basis for improving the design and achieving the desired results.
Alignments typically cannot exceed 4 mm. Excessively wide alignments may interfere with digital components. This design choice is no longer applicable to modern board designs. Nevertheless, many board layout rules convey this technique. This practice often leads to poor routing and increased EMI. The following are some of the most important PCB design layout rules. These rules apply to a large extent to all designs.
PCB Design Layout Rules
Heat release around holes and vias is critical for proper thermal management. Through-holes that are directly connected to a flat surface may have high temperatures and therefore cannot be wave soldered. Heat release is required in these cases to prevent cold joints. Simple polygons or larger polygons can be used for thermal patterns. Manufacturers should double-check this pattern before proceeding with production.
How to create a PCB layout from a schematic? Designers often ask this question. There are several key steps to creating a PCB layout. To get started, you need the schematic or printed circuit board design. Then, continue with the steps outlined in the next section. Once you have completed these steps, you can move on to the next step.
You must always remember where each component is located in the schematic. Check that the component placement corresponds to the schematic and layout. The layout engineer must arrange the components in the correct order. The first step is to determine if the schematic violates any design rules. The second step entails creating a new PCB file using the schematic capture tool. The final step of this process is to define the board’s layer stack.
Schematic Diagram
Before starting the layout, you should check your schematic. Since you are creating the layout from the schematic, you will most likely make a lot of changes to it before manufacturing. Once you start designing your PCB layout, this check will help you avoid unpleasant surprises. It will help you find parts that you don’t intend to manufacture. In addition, you will notice duplicate circuits or parts that should not be included.
After completing this step, you will be able to start placing components on the layout. First, decide where all the components will go. After that, place each piece into the square outline. Make sure to leave enough space for assembly. If the components overlap, it will lead to a short circuit. You can easily create board layouts using schematics, but don’t forget to double-check all the details and make sure everything is wired correctly.
You must understand the difference between a PCB schematic and a board layout. A schematic is a more detailed representation of the electronic design applied to the simulation run. The schematic must be neat, but not as important as neatness. When two symbols overlap, the schematic becomes cluttered and the design has manufacturing problems.
When you are ready to start designing your layout, you need a schematic capture tool to convert the schematic into a real PCB design. This tool helps you understand how the circuit works so you can decide where to place components on the layout. You can use the schematic capture tool to change the shape of the board to get a realistic PCB layout.
The first step in creating a PCB layout from a schematic is to create a bill of materials (BOM). When creating the BOM, you must include all components listed in the circuit design. Include the supplier’s name and part number. You should also create a schematic list. This is often overlooked, but it will help you make your design more robust.
The formation of the substrate (semi-cured epoxy or fiberglass) is the first step in PCB fabrication. The printed design is then displayed by pre-bonding copper to the layers. After this, the structure is coated with a photosensitive film that hardens when exposed to UV light. The layers are then aligned by drilling holes in the structure.
The first step in PCB design is to create a circuit schematic. This process can be aided by specialized software packages or free software applications. Once the schematic is captured, the tool can simulate the circuit and export it to a suitable format. To improve circuit optimization, the PCB design package can also be interfaced with simulation software. The output of the simulation will be displayed as a component breakdown on the PCB layer by layer.
The schematic capture phase enables you to place the components on the PCB frame according to the design specification. The schematic must then be imported into the PCB software. The tool includes PCB layout design tips to simplify the process. This step is required if you want to do the PCB design correctly. If you have no previous experience with PCB design, use the following PCB design tips to get a head start.
The electronic CAD system used to design the printed circuit board is used to create the schematic. The logic symbols representing the real components will be included in the schematic. The pinout of the actual component will be reported in the bill of materials. The PCB designer will draw a network between the pins after placing the symbols on the schematic diagram. Each network will have at least two pins.
The board is then fabricated. The manufacturing process begins with pre-layout. This stage involves layer alignment and checking the BOM (bill of materials) of the circuit. In this stage, copper is pre-glued to the board as a blueprint for the PCB. The laminate is then covered with a photosensitive film called to resist. This film hardens when exposed to UV light, allowing technicians to match the blueprint to the actual PCB.
Prior to manufacturing, the PCBs undergo a series of tests to ensure their functionality. Electrical tests are also performed to ensure the board’s functionality. After passing these tests, the prototype can move on to product development or even manufacturing. These tests involve measuring the board to ensure that it is functioning as expected. It is critical to ensure that the finished PCB is fully functional and meets all specifications.
PCB Layout to Bare PCB
The schematic is the starting point for PCB design. The schematic consists of component symbols and the network connections that connect them. These wires will become the board alignment. The boards are then put together. Finally, the final PCB will be checked for defects. This step is critical because if any of these steps are skipped or not done correctly, the final product may fail. If you follow the steps in PCB design, you will be on your way to a successful project.
Setting up the stack and design rules is the first step in the PCB layout process. Stacking is configured in the layout tool through the Layer Stacking Manager. The PCB manufacturer provides the stacking design for use as a guide. The layout phase starts with board design and component creation, followed by netlist import, routing, silkscreen cleanup, DRC check, and production documentation generation.
For beginners, there are two types of PCB layout software available. There are free and commercial PCB design software options. Sites such as Seeed Fusion and PCBWeb Designer offer free PCB layout software. However, before you choose one, you should be aware of the limitations of free PCB layout software. These programs are for beginners and are often used for less complex and low-speed designs. They lack the high-end tools found in commercial software.
If you want to design a PCB, you will need Gerber format files and PCB design software. A good program will also provide integrated schematics. If you are looking for a PCB layout program that supports Gerber format files, it should include a library manager that allows you to easily import design libraries into the PCB design software. You must obtain this software from the manufacturer’s website.