Lily's Column

Heavy Copper PCB Design

by Lily Zhang

Heavy Copper PCB Design

Heavy Copper PCB Overview A heavy copper PCB is a board that has a heavy copper circuit. This kind of PCB is subjected to specialized plating and e...
Posted in PCB, PCB design, PCB fabrication

NRE and tooling costs – What you need to know for your PCB project

by Lily Zhang

NRE and tooling costs – What you need to know for your PCB project

NRE stands for Non-Recurring Engineering, and it refers to the investment required for a new product project. The entire cost, right from the produ...
Posted in PCB, PCB fabrication, PCB manufacturing, Test

What is an Annular Ring?

by Lily Zhang

What is an Annular Ring?

Annular rings are a vital part of any printed circuit board (PCB), but they pose quite a challenge for PCB designers. With such precise work, it’s ...
Posted in PCB, PCB design, PCB fabrication, PCB layout

IPC Class 2 VS Class 3

by Lily Zhang

IPC Class 2 VS Class 3

What Do IPC Classes Mean? IPC separates PCBs in electronics manufacturing into three different classes. These classes signal the quality of the PCB...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

Flying Probes & Testing

by Lily Zhang

Flying Probes & Testing

A flying probe test is a type of ICT in which the probes advance seamlessly from one test point to the next without being part of an added physical...
Posted in PCB, PCB fabrication, PCB manufacturing

Why FR4 Material is Commonly used in PCB Fabrication?

by Lily Zhang

Why FR4 Material is Commonly used in PCB Fabrication?

FR4 is the most common grade dielectric material that is used in the fabrication of circuit boards. This material is incorporated in single-sided, ...
Posted in PCB, PCB fabrication, PCB manufacturing

8 Common Errors in Surface Mount Technology (SMT)

by Lily Zhang

8 Common Errors in Surface Mount Technology (SMT)

Surface Mount Technology Troubleshooting #1 Solder-bridging or electrical bridging Solder bridging is solder across the two conductors that should ...
Posted in PCB, PCB fabrication, PCB manufacturing, pcba, smt, soldering

How To Make PCB At Home

by Lily Zhang

How To Make PCB At Home

Preparation Before Making PCB PCB Design PCB design is usually done by converting your circuit’s schematic diagram into a PCB layout using PCB l...
Posted in PCB, PCB fabrication, PCB manufacturing

How to Choose the most suitable Layer Number for PCB Design

by Lily Zhang

How to Choose the most suitable Layer Number for PCB Design

Layer Type and Advantages The designer selects the layer number for the design according to the complexity of the entire circuit, which mainly con...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

How to avoid these routing mistakes when designing for controlled impedance

by Lily Zhang

How to avoid these routing mistakes when designing for controlled impedance

Differentiate CI traces from other traces The controlled impedance trace widths must be distinguishable from the remaining traces on the board. It ...
Posted in Impedance Control PCB, PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

How to design a board with controlled impedance?

by Lily Zhang

How to design a board with controlled impedance?

What is a controlled impedance? Controlled impedance is the characteristic impedance of a transmission line formed by PCB traces and its associated...
Posted in Impedance Control PCB, PCB, PCB design

12 PCB thermal management techniques to reduce PCB heating

by Lily Zhang

12 PCB thermal management techniques to reduce PCB heating

1.Identifying thermal hotspots and high-current traces To fabricate a thermally stable PCB, thermal effects must be studied during the designing ph...
Posted in PCB, PCB design