Influence PCB circuit board "processing price" what are the factors of change
The cost calculation of PCB industry is the most special and complex in all industries. From opening, platen, forming, to FQC, packaging, completion and warehousing.
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What are the quality factors affecting PCB circuit board?
in fact, repair maintenance cost greatly increased at the same time, customer brand affected, It doesn't pay off in the long run.
What are the advantages and disadvantages of multilayer circuit boards
Advantages: high assembly density, small volume, light weight because of high assembly density, the connection between components (including components) is reduced, so the reliability is improved; The number of wiring layers can be increased, thus increas
Explain the storage and shelf life of PCB circuit boards
the temperature reproducibility can be obtained through multiple tests, so as to systematically evaluate the performance of the press.
Teach you how to test PCB circuit board is qualified
Electrical testing is a very important link in the PCB board manufacturing process, the purpose is to check whether the PCB board is open and short circuit problem, to ensure that the finished products in line with the customer's electrical performanc
Section friends teach you the heat dissipation skills of PCB circuit board
For electronic equipment, a certain amount of heat will be generated during work, so that the internal temperature of the equipment will rise rapidly.
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.
For you to explain the importance of double-sided circuit board copper foil
In general, lack of adequate material control, solder paste deposition method and equipment are the main reasons for defects in reflow welding process.
Circuit board size planning and control
It is necessary to have common dimensional planning criteria in the design process, otherwise most electronic components in the market cannot be achieved. Such wiring design rules are the design criteria of the PCBA board.
4 "Rules" to Follow when Repairing an Unfamiliar Circuit Board
In the absence of any schematic condition to a relatively unfamiliar circuit board maintenance, although the hardware knowledge of deep people are full of confidence in maintenance, but if the method is not appropriate, the work is still twice the result.
Circuit board maintenance essential common sense
Fault PCB completely consistent PCB board maintenance has a great reference value. Repairing several identical broken circuit boards at the same time is often more convenient and easier than repairing a single broken circuit board.
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
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