Blogs |Qtech Technology Co. Ltd

The ultimate guide to PCB corrosion causes, prevention, and cleaning methods

PCB (Printed Circuit Board) corrosion is a common problem faced by electronic devices. Corrosion can lead to malfunctioning circuits, damage to the de...

Understanding solder joint – basics and techniques

Soldering is a technique used to join two metal surfaces by melting a filler metal, called solder, and then allowing it to cool and solidify, creating...

What’s the type of PCB surface treatment?

PCB surface treatment is the most important step in the PCB manufacturing and assembly process and has two main functions: to protect the exposed copp...

How to deal with air bubbles in solder joints during PCBA process?

During routine quality control testing, it is noticed that a certain batch of PCBA products had problems with solder joint air bubbles after reflow so...

Conformal coating – What are the types and how to apply on the PCB

The success of a printed circuit board lies in its top-notch manufacturing process. While manufacturing, it’s a good idea to use high-quality materi...

Common mistakes and solutions during applying conformal coating in PCB

The protective effect of conformal coating makes it more widely used in electronic products. Due to factors such as technology or its own attributes, ...

In-depth understanding of electronic filters

The world of electronic filters is a rich tapestry made of many diverse sorts, each painstakingly crafted to carry out specific functions fo...

What is automotive chip – everything you need to know

What are the types of automotive chips? Chip is a general term for semiconductor component products, also known as integrated circuits (IC)....

A complete guide to IGBT – composite semiconductor device of BJT and MOS

What is IGBT in simple words IGBT, insulated gate bipolar transistor, is a composite fully controlled voltage-driven power semiconductor device compos...