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Three major factors that cause board soldering defects
Published by: Keyou July 15,2019
1. The solderability of the board hole affects the quality of the soldering The solderability of the circuit board hole is not good, and the solder joint defect will be generated, which will affect...
PCB three anti-paint effect
Published by: Keyou July 13,2019
Coating three anti-paint is generally the last process in PCB assembly. However, in the final inspection, electronic components may have defects, and the three anti-paint coatings are required to be r...
PCB surface treatment process
Published by: Keyou July 13,2019
There are many PCB surface treatment processes, and the common ones are hot air leveling, organic coating, electroless nickel/immersion gold, immersion silver and immersion tin, which will be introduc...
How to maintain the PCB board to extend the service life?
Published by: Keyou July 05,2019
The PCB circuit board is made of an insulating board and cut into a certain size, and at least one conductive pattern is attached thereon, and holes (such as component holes, fastening holes, metalliz...
What is PCB copy board?
Published by: Keyou July 04,2019
PCB (Printed Circuit Board) is an important electronic component, a support for electronic components, and a provider of electrical connections for electronic components. Because it is made by electro...
How is the PCB impedance tested?
Published by: Keyou July 02,2019
TDR testing is currently used primarily for PCB (printed circuit board) signal lines and device impedance testing.                             There are many reasons for aff