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Solution example for PCB circuit board acid copper fog

Solution example for PCB circuit board acid copper fog A factory circuit board acid copper fog solve examples problem: Copper tank old fog, MU and B agent excess possibility can be ruled out, the situation [...]

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PCB dry film hole puncture when used to improve the way problems

PCB dry film hole puncture when used to improve the way problems With the rapid development of the electronics industry, PCB layout more and more sophisticated, most PCB manufacturers use dry film to complete the [...]

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PCB gold finger gold plate quality problems and measures

PCB gold finger gold plate quality problems and measures 1 Introduction In the connector plating, due to the contact with a higher electrical performance requirements, gold plating process in the connector plating occupies a significant [...]

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PCB technology electrolytic capacitors and capacitors

PCB technology electrolytic capacitors and capacitors one. Fixed capacitor: refers to once made, its capacitance can no longer change the capacitor. Capacitors can generally be divided into non-polar ordinary capacitors and electrolytic capacitors with polarity. [...]

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Analysis of the Main Causes of Blackening of Electroplated Gold Layer in PCB Processing

Analysis of the Main Causes of Blackening of Electroplated Gold Layer in PCB Processing Recently received a peer EMAIL and QQ continue to contact, talking about the black gold plating problem and solutions. Due to [...]

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High-speed PCB design in the role of capacitors

High-speed PCB design in the role of capacitors The first part: the classification of capacitors Capacitors in the design of the circuit from the application of classification, the capacitance can be divided into four categories: [...]

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Circuit board soldering defects caused by the three major elements Detailed

Circuit board soldering defects caused by the three major elements Detailed Soldering defects caused by the circuit board the following three factors: 1, solderability of the circuit board hole affect the quality of welding Circuit [...]

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The process of FPC circuit board manufacturing

The process of FPC circuit board manufacturing  Flexible printed circuit board production process is basically similar to rigid plate production process. For some operations, the flexibility of the laminate requires different devices and completely different [...]

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Electroplating process management in PCB production

Electroplating process management in PCB production Foreword Electroplating process management is an important part of electroplating production, which is determined by electroplating workers after tens of millions of repeated trial and study obtained. Therefore, the [...]

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From the perspective of demand to understand embedded Linux bus, device and driver

From the perspective of demand to understand embedded Linux: bus, device and driver Modern electronic devices are operating in complex electromagnetic environments. In view of the electromagnetic interference often lead to the electronic equipment failure [...]

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High-frequency circuit design and wiring is the key to share ten experiences

High-frequency circuit design and wiring is the key to share ten experiences   If the digital logic circuit frequency reaches or exceeds 45MHZ ~ 50MHZ, and work in this frequency circuit has accounted for a [...]

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