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2021-09-15
What is a blind hole? What is buried hole?
Blind Via Hole: The outermost circuit of the PCB is connected with the adjacent inner layer by electroplating holes. It is called "blind through" because it cannot see the opposite side. In order to increase the space utilization of PCB circuit layer, the "blind hole" process emerges as The Times require. This production method needs to pay special attention to the depth of the drilling hole (Z axis) to be just right, but this method often causes difficulties in the hole electroplating so almost no manufacturers use; You can also drill a good hole in advance when you need to connect the circuit layer in the individual circuit layer, and then finally stick together, but you need more precise positioning and alignment device.
2021-09-15
What is a rigid plate? What problems should we pay attention to when making this kind of board?
Just torsion plate, is we often say the combination of soft and hard plate. The soft and hard combined board has the characteristics of FPC and PCB at the same time, so it can be used in some products with special requirements, both flexible and rigid areas, to save the internal space of the product, reduce the volume of finished products, improve the product performance is of great help. The production process is various, the production is difficult, the rate of good products is low, the material, manpower is more, therefore, the price is more expensive, the production cycle is longer.
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