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PCB circuit board

PCB circuit board copper foil basic knowledge

Copper foil for electrodeposited copperfoil in English, is copper clad (CCL) and printed circuit board (PCB) manufacturing of important material. In the rapid development of today's electronic information industry, electrolytic copper foil is known as the

PCB circuit board production process

The OC48 interface card contains several typical mixed-signal PCB layout and routing problems, the layout and routing process will indicate the sequence and steps to solve the mixed-signal PCB layout solution.

PCB circuit board in the corner of the wiring problems and conditions

The circuit board is mainly composed of welding pad, through hole, mounting hole, wire, component, connector, filling, electrical boundary and so on.

PCB circuit board industry term

Special substrate printed circuit board Metal substrate (aluminum base, copper base, iron base or invar steel), ceramic substrate, according to its characteristics, use can be made of metal (ceramic) based single, double, multi-layer printed circuit board

PCB circuit board welding technology

As a power supply product, PCB circuit boards can be seen everywhere in life. This requires manufacturers to strictly put the quality in production, understand all the failure of the product, deal with it early, and reduce economic losses.

Talk about the cleaning technology of PCB circuit board

Do you know PCB cleaning technology? Here are some tips to share.

Analysis of anti-interference prevention methods of PCB circuit boards

The level of viscosity is of great concern to the smoothness or not of screen printing. Therefore, in the PCB ink technical documents and QC reports, the viscosity is clearly marked, indicating under what conditions, what type of viscosity testing equipme

PCB circuit board board classification and detailed explanation of parameters

the circuit board must be flame resistant, can not burn at a certain temperature, can only be softened. At this time, the temperature point is called the glass transition temperature (Tg point), and this value is related to the size and durability of the

Problems encountered in PCB circuit board design

Easy to manage circuit board components For a large led circuit board, it has a lot of parts package, there are thousands of networks, very messy, the use of the class can be very convenient to manage the circuit board.

Precautions for using automatic dispensing on PCB circuit board

Anti-static SMT loading and unloading rack has been introduced to you before, it is specially used for automatic loading machine, specifications and styles are generally universal.

Several methods of reducing noise and electromagnetic interference in PCB circuit board design

Maintenance of spare printed circuit board. For the spare printed circuit board that has been purchased, it should be installed on the numerical control device regularly and run for a period of time to prevent damage;

Analysis of PCB circuit board design signal wiring can not be right Angle reasons

In principle, right-angle wiring will cause the line width of the transmission line to change, resulting in impedance discontinuity. In fact, not only right Angle wiring, ton Angle, acute Angle wiring may cause impedance changes.

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