Lily's Column

How To Read Capacitor Value?

by Lily Zhang

How To Read Capacitor Value?

Capacitor Standard Codes Generally, the values of capacitance, voltage rating, tolerance and even the polarity (in case of polarized capacitor) a...

Digital Logic Gates Symbols

by Lily Zhang

Digital Logic Gates Symbols

Diodes Symbols

by Lily Zhang

Diodes Symbols

Generic Diode This symbol represents a generic diode or a rectifier diode. It is an electronic component made of semiconductor that allow current ...

How is a solder mask applied?

by Lily Zhang

How is a solder mask applied?

Given below is the process for application of solder mask layer onto a PCB: Step 1: Board cleaning The board is cleaned to remove dirt and other co...

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

Heavy Copper PCB

by Lily Zhang

Heavy Copper PCB

Heavy copper PCB is a circuit board with a copper thickness that is ≥ 3oz per sq. ft in its outer and inner layers. What makes a circuit board clas...

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

What is back drilling or controlled depth drilling in PCB?

by Lily Zhang

What is back drilling or controlled depth drilling in PCB?

What is back drilling or controlled depth drilling in PCB? PCB Back drilling is one of the special controlled depth drilling (NPTH) in the loop of ...

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

2 Base Material for Metal Core PCB

by Lily Zhang

2 Base Material for Metal Core PCB

Metal Core PCB material including Aluminum PCB,Copper Base PCB. Aluminum is popular in the market special in LED lights market because of Cost .Met...

MCPCB – Metal Core Printed Circuit Board

by Lily Zhang

MCPCB – Metal Core Printed Circuit Board

In recent years, there has been great popularity in the use of LED products. This is why mcpcbs – metal core printed circuit boards have also gaine...
Posted in MCPCB

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