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PCB manufacturing

PCB manufacturing

PCB circuit boards throw copper common three main causes
23May
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PCB circuit boards throw copper common three main causes

ircuit board defect detection includes two parts: solder spot defect detection and component detection. The traditional detection adopts manual detection method, which is easy to miss detection, slow detection speed, long detection time and high cost, and

pcb aluminum substrate factory introduces the role of double-sided aluminum substrate
23May
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pcb aluminum substrate factory introduces the role of double-sided aluminum substrate

PCB single panel, CB double panel, PCB 4-layer board, PCB 6-layer board, multilayer circuit board, audio PCB board, IC card board, mobile phone camera board, PCB backlight board, LED display circuit board, high frequency board, FR4 lamp, strip board

Cause analysis of excessive chloride ion consumption in PCB copper plating
23May
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Cause analysis of excessive chloride ion consumption in PCB copper plating

At present, with the development of printed circuit boards in the direction of high density and high precision, more stringent requirements have been put forward for copper sulfate plating process.

pcb Multilayer circuit boards Analyze the required performance of PCB boards
23May
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pcb Multilayer circuit boards Analyze the required performance of PCB boards

In the past decade of research on PCB copying board and chip decryption, Hongyunlai reverse R&D engineers have accumulated rich experience in board copying and decryption, and have maintained long-term friendly cooperative relations with many domestic...

PCB circuit board design copper platinum thickness, line width and current relationship
21May
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PCB circuit board design copper platinum thickness, line width and current relationship

Before understanding the PCB design copper platinum thickness, line width and current relationship, let's understand the conversion between the PCB copper thickness in ounces, inches and millimeters: "In many data tables, PCB copper thickness is ofte...

Routing rules for multilayer PCB boards
21May
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Routing rules for multilayer PCB boards

Reducing electromagnetic interference is an important part of PCB board design, as long as the design to think more about this side, naturally in the product test such as EMC test will be easier to pass.

PCB circuit board processing leads to hole cavity three factors
21May
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PCB circuit board processing leads to hole cavity three factors

The development trend of PCB manufacturing technology in the future is to high density, high precision, fine aperture, fine wire, small spacing, high reliability, multi-layer, high-speed transmission, light weight, thin shape.

Reduce crosstalk through the terminal
21May
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Reduce crosstalk through the terminal

Some PCB designers still do not pay attention to layering, which is a major failure in high-speed circuit design. Layering not only affects the performance of the transmission line, such as impedance, delay and coupling, but also the circuit is prone to a

PCB board structure and function introduction
19May
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PCB board structure and function introduction

In the early stage of lead welding, the temperature was not very high, and the original PCB board could be tolerated. Since the temperature was increased after lead-free welding, powder was added to the PCB board to strengthen the PCB's resistance to temp

 Factors affecting PCB welding quality
19May
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Factors affecting PCB welding quality

The PCB board should be marked with the Mark point, the specific position: it can be a round or square pad on the diagonal of the board, and do not mix with the pad of other devices.

Cause analysis and countermeasure of PCB flux ignition during over wave soldering
19May
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Cause analysis and countermeasure of PCB flux ignition during over wave soldering

Basically there will be no excess PCB flux dripping down in the preheating zone; It can not only reduce the risk of PCB flux fire, but also protect the heat pipe from erosion and extend the service life.

Handle the ground
15May
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Handle the ground

Circuits that are very sensitive to noise and interference or circuits that are particularly serious with high frequency noise should be shielded by metal shields.

Just upload Gerber files, BOM files and design files, and the KINGFORD team will provide a complete quotation within 24h.