Dear customers, Please kindly have an alert that according to our project experience, we foresee that many ICs will be in very tight supply or even out of stock for a long time, so please schedule your crucial projects of 2021 beforehand. : For more details, please have an alert to this news, down load Electronic Components Price Increase Reminder_Weller Technology Co., Limited

PCB with Embedded Copper Coin technology

What is the PCB embedded copper coin. The PCB embedded copper coin is the copper coin embedded in the PCB Cavity or slot after routing and metalized when finished PCB lamination. PCB and it’s copper coin tightly connected. The purpose of using PCB copper coin embedded technology. The traditional way to dissipate heat in a … Continued

PCB Via-in-Pad

What is the VIA-in-PAD? When it comes to PCB design or PCB fabrication,Via In Pad is a special design technology to increase PCB density, to allows higher PCB component density(Especially in BGA area and SMT IC area). Many designers like to use via in pad to significantly save board space. How to achieve the quality of … Continued


CAD-to-STL Process STL File Creation for Different CAD Software Packages: This page contains information on how to create an STL file from several CAD packages below. The information was taken from the Internet. Some of the information could be outdated or may not produce the best possible STL files in some cases, so please consult your CAD manual for … Continued

Plastic Injection

Advantages Of Plastic Injection Molding

We have thousands of different types of plastic available for you to choose from, for a wide range of mechanical and cosmetic properties.

PCB Base Material

Selecting the surface finish and getting the design optimised are important steps in ensuring that your product performs well, but is that the end of the process? No, you also have to ensure that the material specified is available within the factory and that the factory is UL approved to support such materials.

PCB Assembly AOI

Automatic Optical Inspection Automated Optical Inspection, also called Automatic Optical Inspection, abbreviated as AOI, is well responsible for quality control in terms of both Printed Circuit Board (PCB) fabrication and PCB Assembly. AOI system will identify the following types of unacceptable deviations: Wrong components Twisted/turned components Tombstoning” (where the component is situated like a tombstone) … Continued

PCB Surface Finishes

A surface finish can be either organic or metallic in nature. Comparing both types and all available options can quickly demonstrate the relative benefits or drawbacks. Typically, the decisive factors when it comes to selecting the most suitable finish is the end application, the PCB assembly process and the design of the PCB itself. Below … Continued

PCB Software

Altium File Altium Designer is a Printed Circuit Board and electronic design automation software package,which is widely used by electron designer and PCB manufacturer. It is developed by Australian software company Altium Limited,who developed another brand of PCB design software Protel. It is a powerful integrated electronic design software no matter what demand you need: … Continued

PCB Assembly X-Ray

PCB Assembly Automatic X-Ray Inspection WellerPCB has been striving for providing high-quality PCB manufacturing and PCB assembly for clients from all over the world at competitive prices since our establishment. Due to the development of Surface Mount Technology and increasing complexities of electronic products, high-density and small PCBs account for the majority. As a main … Continued

Altium File

How to Export Gerber files from Altium PCB files As Altium designer software is popularly used by most of PCB designers, but it normally originally work for .PCBDOC files not original PCB Gerber files which is exactly useful to PCB manufacturer, this page is introducing how to generate PCB Gerber file from Altium designer PCB … Continued