The importance of electroplating to PCB circuit board production
In this process, all surface areas and boreholes are plated with copper, some resistance is poured on the surface of the unwanted copper, and then etching resistance metal is plated.
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PCB circuit board fault detection method
PCB circuit board fault detection methods: 1, determine the fault location, 2, detection equipment, 3, visual and physical detection, 4, special detection components, 5, on the circuit board for detection, 6, low voltage measurement
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/ and CAM350 geber files Conductive holes: via keyholes: pad is particularly prone to several problems
What is the pcb circuit board process? Ask the technical engineer what to say
This battery, this battery, that battery, unfortunately, has not yet been mass-produced on the road, and there are several experimental bus routes in use.
Circuit board factory teach you how to distinguish PCB circuit board is good or bad?
many times if the site sorting, rectification and other work to do, then some of the existing quality problems will improve a lot.
pcb circuit board copper plating surface foaming what causes
Based on many years of actual production experience and service experience, the author now makes a brief analysis of the causes of bubbling on the copper plating surface of the circuit board.
Various prevention methods of silver plating process of PCB circuit board
Five common silver plating defects of multilayer circuit boards have been solved by solution manufacturers, equipment manufacturers and PCB factories, and some methods have been found to prevent and improve them.
Analysis of advantages of laser marking in the application of PCB circuit board industry
In the PCB industry using laser marking two-dimensional code technology, can realize PCB production, process, quality traceability, and realize the automation, intelligent management requirements.
What are SMT patch, PCB circuit board, PCBA processing and DIP plug-in respectively
What are SMT patch, PCB circuit board, PCBA processing and DIP plug-in respectively? First, SMT is one of the basic components of electronic components, which is called surface assembly technology; second, PCB is the most important component of electronic
Five general types of PCB circuit boards are introduced
Five general types of PCB circuit boards: single-sided circuit boards, double-sided circuit boards, multilayer circuit boards, rigid circuit boards, flexible circuit boards
Precautions for urgent proofing of PCB circuit board
Enterprises should pay attention to the circuit board proofing and proofing manufacturers of engineers and operators for good communication, and in the delivery of proofing materials when carefully check the relevant documents.
PCB circuit board 4 special electroplating methods
PCB circuit board four special plating methods: finger plating, through hole plating, coil continuous selection plating, brush plating.
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