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Which electronics have the highest gold recovery?

2018-12-26

•Mobile phone mainboard •CPU •Memory chip •PCB

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Where do they get the silicon used in transistors?

2018-12-26

The silicon used in transistors is mainly from silicon dioxide.

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What are the basic materials required to prepare a PCB at home?

2018-12-26

PCB, which can be cut traces and drilled holes in the copper clad laminate with the knife;

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Why haven't desktop computers become obsolete already?

2018-12-26

1)Powerful hardware performance; 2)Affordable price; 3)Better gaming experience (larger monitors); 4) Easier upgrading of hardware; At present, the desktop computers aren’t of obsolescence right now. However, it's likely to be replaced by othe

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Why does a new battery fail to work when it is used before charging?

2018-12-26

Since a new battery is in a discharge condition, which must be recharged before using.

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How are plated through holes (PTH) made? What chemicals are used in it?

2018-12-26

Making Plated through holes (PTH): Electroplating before making plated through hole ( The same environment as copper on the surface of electroplating)

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How can we professionally design a multilayer PCB stackup?

2018-12-26

First of all, with the help of the impedance calculation software; Secondly, according to the requirements of design performance parameters, combining with the requirements of production engineering; Finally, we can professionally obatin a reasonabl

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What is the difference between AC and DC currents?

2018-12-21

The most intuitive difference between AC and DC currents: Whether the direction of current changes or not;

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What is the best way to idenfitfy a cold solder joint?

2018-12-21

Generally speaking, there are three ways for us to idenfitfy the cold solder joint, such as:

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How can you solder surface-mount technology on a PCB without special tools?

2018-12-21

If you want to solder surface-mount components on a PCB but without special tools, you can try to weld two diagonal pins so that the chip or smt components will be fixed.

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