The hole cover oil of PCB circuit board and the hole open the window, silly can not be clearly separated?
This article focuses on conductive holes, keyholes, and the connection between Protel 99 SE/pads/ an...
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PCB board to do the importance of plug hole
The plug technology meets the following requirements :1. Copper can be found in the through hole, bu...
Analysis of common rule of thumb in PCB design and wiring
For you to analyze the common rules of thumb in PCB design wiring: first, vertical wiring, second, h...
Why are most PCB board colors green?
Purpose and precautions of reserved process edge in PCB design: Reserved process edge is the part ad...
PCBA processing difference between chip components and plug-in components
PCB design layer number to consider the following problems: 1, use,2, required signal type,3, throug...
Analysis of the deformation cause of PCB board in the process of processing
Analysis of the deformation causes of PCB board in the process of processing: 1. Incoming material o...
What is BGA welding
As the function requirement of electronic products is higher and higher, the volume requirement is s...
PCBA double-sided back welding process and matters needing attention
Single-side backwelding boards are rarely used now, because double-side backwelding can save space o...
PCB boards are widely used in the field of automatic testing of printed circuit boards
PCB board test system will have a new design idea, the use of automatic test system based on USB bus...
Why should PCB board use gold plating process?
new energy electric vehicles, module board, industrial control circuit board, medical circuit board,...
COB ceramic circuit board factory how to reduce the cost of LED lamps
Many manufacturers are using ceramic COBs to process LED, because this can further reduce the cost o...
Detailed the copper sinking process of PCB board production and processing
The post-process can only be screened probabilistic through destructive experiments, and it is impos...
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