PCB board copper need to pay attention to what some problems
The cooling metal block of the three-end voltage regulator must be well grounded. The grounding isolation belt near the crystal oscillator must be well grounded.
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PCB proofing ceramic substrate production has those processes
The manufacturing process of dry press PCB electronic ceramics mainly includes blank forming, blank sintering and finishing, forming circuit on the substrate.
What are the hazards of using expired PCB board
With the rapid development of mobile phone, electronics, communication industry, automatic driving, to a large extent, the PCB circuit board industry continues to grow and grow rapidly, people for the quality of PCB components, layers, weight, precision,
The difference between flexible PCB and traditional PCB and flexible PCB application
These PCBS are widely used in mechanically sensitive devices because the flexibility allows the board to resist vibration. Flexible PCB is more durable than traditional PCB, but flexible PCB manufacturing process is sensitive and complex.
How should PCB board be stored and how long is its shelf life
At the same time, physical and chemical changes are formed on the surface of the functional groups of the gas composition, so as to improve the bonding force of copper plating, pollution removal and other plate loading effects.
Learn about PCB blind hole plate manufacturers
The most effective way to increase PCB density is to reduce the number of through-holes and precisely set blind and buried holes to achieve this requirement, resulting in the HDI board.
A complete list of other terms related to Circuit board PCB (VII)
It is a test method in which the assembled plate is supported by two cross bars from the outside of the lower plate surface, and then pressed down from the third point of the upper center to form a plate bend, and then the strength of each solder joint is
A complete list of other Terms related to Circuit Board PCB (VI)
That is to say, in a specific storage environment, the quality of the goods must be able to continue to meet the requirements of the specification, and ensure that in the way of use, not because of storage time is too long and failure situation, this can
Blind buried through hole circuit board (HDI circuit board) PCB manufacturing three key
HDI board is one of the most precise PCB board, and its process is also more complex. The core steps include the formation of high precision printed circuit, the processing of micro through hole, the plating of surface and hole.
A complete list of other Terms related to Circuit Board PCB (V)
Generally practical oxidation in the narrow sense refers to the reaction of direct combination with oxygen. The rusting of various metals, for example, is oxidation. Oxides also refer to various oxides produced, while Oxidizing Agent refers to oxidizing a
A complete list of other Terms related to Circuit boards and PCBS (IV)
general solid insulation material is not easy to fill the dead corners, and where the need to be closely matched, such as high-voltage cables, transformers, small capacitors, can be filled with mineral oil, ethylene glycol and carbon chloride, as liquid i
There are several processes of sun block welding for PCB circuit boards
Sunblock welding process can be roughly divided into three operating procedures:The first step is exposure. The second step is developing. The third operation process repair board.
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