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Shenzhen Circuit Board Factory

These are related to the Shenzhen Circuit Board Factory news, in which you can learn about the latest trends in Shenzhen Circuit Board Factory and related information industry, to help you better understand and expand Shenzhen Circuit Board Factory market.
2019
DATE
04 - 01
Introduction to two common circuit board functions
The function of the electronic circuit board is to fix various components and then connect them by wires. The manufacturing method of the electronic circuit board is common. Here are some introductions. 1. Rivet circuit board On the insulation plate of 1.5 to 2 mm thick (usually epoxy fiberglass
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2019
DATE
03 - 01
What are the factors affecting PCB impedance?
When the line is less than 25 mm from the edge of the board, the line impedance value is 1~4 ohms smaller than the middle of the board, and the impedance value is less affected by the position when the line is more than 50 mm from the board edge. Next, it is recommended to preferentially select the
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2018
DATE
12 - 20
The difference between positive and negative PCB boards
Negative film board: Generally speaking, we are using the tenting process. The liquid used is acid etching negative film. Because the film or copper surface is transparent after the film is made, the unnecessary part is black. After the line process exposure, the transparent part is chemically harde
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2018
DATE
12 - 13
Some reasons for the poor tin on the tin surface of the circuit board
1. Storage environment and transportation: This is the middle link between the circuit board factory and the patch factory. Generally, the circuit board rarely appears in stock, but the general inventory requires the storage environment to have suitable dry humidity, complete packaging, and lightest
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2018
DATE
11 - 08
Introduction of the process flow of pcb copy board
The copy board is also called the change board, which is the reverse technology research on the designed PCB board. With reference to a large amount of information, the process of copying boards is summarized as follows: The first step is to get a PCB. First, record the model, parameters, and positi
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2018
DATE
10 - 16
Pcb circuit board positive and negative film basic introduction
The positive film of the circuit board: generally the pattern process we are talking about, the liquid used is an alkaline etching positive film. If the negative film is used, the desired line or copper surface is black, and the part is transparent, and the same is true. After exposure by the line p
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2018
DATE
10 - 12
How to avoid common mistakes in PCB design
A printed circuit board (PCB) is an electronic component that connects different electronic components together. Designing a PCB is a complicated process that requires high precision. In the design process, some common errors will inevitably occur. These error problems are to help everyone avoid the
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