Lily's Column

Impedance Matching in PCB Design

by Lily Zhang

Impedance Matching in PCB Design

Impedance Matching in PCB Design It is fair to consider a PCB itself as a component in which multiple traces are connected. Each trace is different...
Posted in Impedance, Impedance Control PCB, PCB design, PCB Impedance Matching

What is Reflow Soldering?

by Lily Zhang

What is Reflow Soldering?

Scheme of a reflow soldering process: Step 1 Solder paste printing:After mixing and acclimating the solder paste, it is manually/automatically app...
Posted in PCB, pcba, smt

What is Wave Soldering?

by Lily Zhang

What is Wave Soldering?

Wave soldering machines are mainly used for THT (Through-Hole Technology), components that (manually or fully automatically) are inserted through t...
Posted in pcba, smt, soldering

What is a HDI PCB ?

by Lily Zhang

What is a HDI PCB ?

HDI stands for High-Density Interconnector. Thus, HDI PCB is a special type of PCB that has the capability of high-density interconnections. In sim...
Posted in HDI PCB, PCB, PCB fabrication

How to Reverse Engineer a Schematic From a Circuit Board

by Lily Zhang

How to Reverse Engineer a Schematic From a Circuit Board

This project is a result of needing to service a domestic electronic item without being able to obtain a circuit diagram.The process proved to be v...
Posted in PCB, PCB design, PCB fabrication, reverse engineer, Reverse Engineering

What is a capped via hole?

by Lily Zhang

What is a capped via hole?

A capped via is when plating is added over the via hole so that the surface is fully metalized with a minimum copper / cap plating thickness of 5um...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

Integrated Circuit Manufacturing Process

by Lily Zhang

Integrated Circuit Manufacturing Process

Wafer manufacturing and chip manufacturing are two steps to make integrated circuits. Wafer manufacturing includes two major steps, ingot manufactu...

PCB Reverse Engineering

by Lily Zhang

PCB Reverse Engineering

PCB reverse engineering entails getting the internal structure and all layers connections by either non-destructive process or destructive process ...
Posted in PCB design, reverse engineer, Reverse Engineering

Manual PCB Reverse Engineering Process

by Lily Zhang

Manual PCB Reverse Engineering Process

At times, advanced techniques of reverse engineering PCB are time-consuming and expensive. In practice, most PCB reverse engineers undertake manual...
Posted in PCB design, PCB layout, reverse engineer, Reverse Engineering

How to reverse engineer a PCB

by Lily Zhang

How to reverse engineer a PCB

Reverse engineering a print circuit board is a long process, but it’s worth to explore, so reverse engineering a PCB should follow the following ma...
Posted in reverse engineer, Reverse Engineering

Metal Core PCB

by Lily Zhang

Metal Core PCB

What is a metal core PCB? A metal core printed circuit board (MCPCB) also known as thermal PCB, incorporates a metal material as its base as o...
Posted in MCPCB, PCB, PCB fabrication

PCB Impedance Design

by Lily Zhang

PCB Impedance Design

It is suitable for most PCB suppliers’ process standards and PCB board design with impedance control requirements. 1). 2 Layers Impedance Design 10...
Posted in Impedance Control PCB, PCB, PCB design, PCB fabrication, PCB Impedance Matching