How to get a professional PCB stencil?

With the development of the e-commerce and logistics industry, we could easily finish a product design in America and send it to the Chinese team by 8: 00 PM EST, which allows the Chinese team to...

[Links share] PCB Price Calculator / PCB Price Estimator / PCB Price Per Square Inch

http://www.ladyada.net/library/pcb/costcalc.htmlhttp://www.tecbridgecircuits.co.uk/priceform.phphttp://www.multi-circuit-boards.eu/en/pricing/printed-circuit-boards.html...

How To Choose The Best PCB Production Location

Besides of "How to Choose a Good PCB Supplier", "How to choose the best PCB production location?" This is a frequently asked question among persons that wish to purchase quality PCB products....

Sourcing cheap parts on TaoBao (Chinese eBay)

Where is Taobao: LinkThere must be many of you heard Taobao before. It is really popular in China and you can get everything there.The quality is really difficult to control when you use Taobao...

Printed Circuit Board Panel Design

There are two problems to consider when design panel: one is how to place the boards; and the other is the way of connection.

Meet Thunder in TechCrunch Disrupt SF 2015

The open software has boomed SAAS, the makers movement is booming HAAS (Hardware As A Service) now. IOT is the change maker, which is not only connection, but also socialization and big data...

Layout Design For Printed Circuit Board Assembly

The design of PCB should start with determining the layouts of the SMT (Surface Mount Technology) and DIP (Dual In-line Package) on the both sides of PCB. Different ways of assembly correspond to...

What is HS Code ?

The Harmonized Commodity Description and Coding System (HS) is the mechanism by which international tariffs are standardized. If you ship items overseas, you are required to classify them...

Air Transport Requirements For Lithium Ion Batteries

Testing Certification Requirements

How to add a new product version

1. Add Version Flag

After login the WO system. Click List Product at the left-side-menu.Select the specific Product, which your want to add a new version on.

PCB Devices Placement

1. General Rules for Devices Placement

a) THD devices with polarity or direction are required to place in the same direction, and as neat as possible. For SMD devices that cannot meet the...

PCB Routing Requirements

1. Line Width/Space and Security Requirements

When the packing density is permissible, choosing a lower-density routing design to improve reliability and defect-free manufacturing capacity....

Design of Hole

1. Design of Through Hole

Trance Impedance

Care should be taken to distinguish between single ended and differential trace impedance. High speed single ended signals such as the parallel RGB LCD or camera interface need to be routed with...

Bonding Pad Design Ⅰ

1.Design of bonding pad with through hole cartridge componentsa) The diameter design of components plug-in holes is according to the leading wire diameter, the lead shaped condition, and wave...

Bonding Pad Design Ⅱ

SMD component bonding pad design

2.1 Passive device pad design

2.1.1 Rectangle component pad designShapes of resistor and capacitor and bonding pads are as shown in Figure 2.1.1. Bonding pads ’...