Licky's Column

How to Identify Electronic Components in a PCB Layout

by Licky Li

How to Identify Electronic Components in a PCB Layout

Identifying Electronic Components Most electronic components will come with some information you can use to identify each component. At minimum, yo...
Posted in PCB design, PCB Layer stack-up, PCB layout

An in-depth analysis on PCB stackup

by Licky Li

An in-depth analysis on PCB stackup

What is a PCB stackup? The most convenient way to arrange the PCB layer (Copper and insulating layer) is PCB stackup. This is the earlier ste...
Posted in PCB design, PCB Layer stack-up, PCB layout

2-layer vs. 4-layer PCB

by Licky Li

2-layer vs. 4-layer PCB

What is a 2-layer PCB? A 2-layer PCB, as indicated by its name, is composed of a pair of conductive layers, usually made of copper, with an i...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout

Guide to Understanding Through Hole PCB

by Licky Li

Guide to Understanding Through Hole PCB

Among to all of the types of PCB, through hole PCB is an extensively used type. Through hole technology is a reliable way to attach components to...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing, PCB Milling

PCB Hole Types

by Licky Li

PCB Hole Types

Printed circuit boards have many different features, all of which affect the physical appearance and function of the board. Some of these features ...
Posted in #blind via, #burid via, #through-hole via, #via in pcb, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, Via covering, Via-in-pad

Common Causes of Printed Circuit Board (PCB) Failure

by Licky Li

Common Causes of Printed Circuit Board (PCB) Failure

What is PCB failure To begin with, PCB, or simply “board,” is a laminated structure that comprises conductive and insulating layers. In nearl...
Posted in #PCBA, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

What is the Etching Process in PCB Manufacturing: The Complete Guide

by Licky Li

What is the Etching Process in PCB Manufacturing: The Complete Guide

High-tech components fabrication is inextricably linked to printed circuit board (PCBs) production. Such pieces of electronics are the core of mo...
Posted in #PCBA, PCB, PCB Layer stack-up, PCB manufacturing

How to prevent the PCB from being bended and warped when get through the reflow furnace

by Licky Li

How to prevent the PCB from being bended and warped when get through the reflow furnace

Everyone knows that PCBs are easy to be bended or warped when get through the reflow furnace. So how to avoid this situation, here are some advices...
Posted in HDI PCB, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

7 Steps To Determine PCB Layout and Wiring

by Licky Li

7 Steps To Determine PCB Layout and Wiring

The design should be carefully analyzed and the tool software should be carefully set before starting wiring, which will make the design more in li...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB Milling

General introduction of SMD Adhesive

by Licky Li

General introduction of SMD Adhesive

SMD Adhesive is also called Surface Mount Adhesive.Before soldering, components with pin contacts or SMDs are often bonded to the PCB with adhesive...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, smt, soldering

BGA Soldering Quality Detection Techniques by X-Ray Imaging

by Licky Li

BGA Soldering Quality Detection Techniques by X-Ray Imaging

Introduction: BGA is a typical high-density packaging technology. Its characteristics are that the chip pins are distributed under the package in t...
Posted in BGA, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

The Fundamental Analysis of QFP vs QFN Packages

by Licky Li

The Fundamental Analysis of QFP vs QFN Packages

QFN package QFN (quad flat no-lead) package is a semiconductor set connecting ASCIC to Printed circuit board (PCB). To achieve this, QFN utilizes S...
Posted in package, PCB design, PCB fabrication, PCB Layer stack-up