Lily's Column

HDI board stack-ups

by Lily Zhang

HDI board stack-ups

HDI board stack-ups High-density interconnect, or HDI, circuit boards are printed circuit boards with a higher wiring density per unit area than tr...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How are multilayer circuit boards made?

by Lily Zhang

How are multilayer circuit boards made?

Step 1: Inner layer core selection PCB core material The stack-up designates the materials to be used for the manufacture of a multilayer circuit...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

PCB Solder Mask Types

by Lily Zhang

PCB Solder Mask Types

Solder mask is a thin layer of polymer that is put on a circuit board to protect the copper from oxidation and shorts during operation. It also pro...
Posted in PCB, PCB fabrication, PCB manufacturing

FPC Circuit Board Material Introduction

by Lily Zhang

FPC Circuit Board Material Introduction

FPC is a kind of flexible circuit board, which belongs to the PCB circuit board. FPC soft board is widely used, such as flex pcb connector, FPC ant...
Posted in flex, Flexible PCB, FPC, FPC Flexible PCB, PCB

Tenting vias, plugged vias and via in pad

by Lily Zhang

Tenting vias, plugged vias and via in pad

Tenting vias  It’s the most popular and mature process in PCB fabrication, and tenting vias mean to cover the annular ring and via hole with solde...
Posted in PCB, PCB fabrication

PCB Gold Fingers

by Lily Zhang

PCB Gold Fingers

Gold Fingers are the gold plated narrow connectors found on the edge of printed circuit boards to enable connections between multiple boards. They ...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

What is the Industrial PCB Production Process?

by Lily Zhang

What is the Industrial PCB Production Process?

What is the Industrial PCB Production Process? 1. Board cut Board cutting is the process of cutting the original copper-clad laminate into boards ...
Posted in PCB, PCB fabrication, PCB manufacturing

How to Fabricate a PCB With DIY Methods?

by Lily Zhang

How to Fabricate a PCB With DIY Methods?

Method 1#: Cut the copper-clad laminate to the size required by the PCB Put the stencilpaper on the steel plate, use a pen to draw the circuit dia...
Posted in PCB, PCB design, PCB fabrication

High-speed PCB design

by Lily Zhang

High-speed PCB design

Not all printed circuit boards that operate with digital signals must necessarily be considered High Speed PCBs. In many cases, in fact, it is suff...
Posted in PCB, PCB design, PCB fabrication

RF PCB Design

by Lily Zhang

RF PCB Design

An RF PCB design is a bit different from a conventional board. What makes it distinct are parameters like impedance matching, type of traces (prefe...
Posted in PCB, PCB design, PCB fabrication

Gold Plating for PCBs

by Lily Zhang

Gold Plating for PCBs

Gold plating is a process where gold plates are placed on other metals on PCBs to help with their conductivity. Gold plating is the most common way...
Posted in PCB, PCB fabrication, PCB manufacturing

What is an HDI PCB?

by Lily Zhang

What is an HDI PCB?

An HDI PCB is a multilayer circuit board with microvia diameter within 5mil (0.127mm), line space/width of inner and outer circuit layers within 4m...
Posted in HDI PCB, PCB, PCB fabrication, PCB manufacturing