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Published by：
KEYOU PCB
March 26,2019
Safe distance includes electrical clearance (space distance), creepage distance (along the surface distance) and insulation penetration distance
Electrical clearance: the shortest distance mea...
Published by：
KEYOU PCB
March 25,2019
Summary of several simple PCB surface treatment methods
PCB surface treatment technology refers to the process of artificially forming a surface layer with different mechanical, physical and chemic...
Published by：
KEYOU PCB
March 22,2019
Why the PCB copper foil’s thickness called ounce of (OZ)?
the ounce (OZ) itself is a unit of weight.
The conversion formula of oz and (g) is as follows: 1OZ ≈ 28.35 g.
In the PCB industry, 1...
Published by：
KEYOU PCB
March 21,2019
Application specification of through hole design in high speed PCB board
We know that in high-speed PCB design, seemingly simple through hole often brings great negative effect to circuit...
Published by：
KEYOU PCB
March 21,2019
PCB board cleaning
PCB board after a period of time to clean is essential, cleaning methods have many, also have their own advantages and disadvantages, we need to choose, cleaning technology deve...
Published by：
KEYOU PCB
March 21,2019
Proprietary knowledge of PCB circuit boards
PCB materials are usually XPC, FR1, FR2, specializing in the industry, no matter which industry has its own set of professional knowledge, PCB circuit bo...
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