PC Board Composition Components contains two important ITEMs: Core and PP (Prepreg, semi-solid sheet). Both surfaces of the Core are covered with copper foil, which is used as a conductive layer, and the two surface layers are filled with solid material, which is composed of reinforcing material glass fiber impregnated with solid resin.
There is no copper foil on the surface of PrePreg. It is composed of semi-solid resin and glass fiber, which is softer than Core. It forms the so-called wetting layer, which is mainly used as filling in PCB to bond the core board. In factory production, the wetting layer generally cannot exceed 3 Prepregs (the thickness is about 20 mils). PCB Cloning Services
Due to the semi-solid nature of PP, the thickness of PP in each PCB produced will also vary. Therefore, the consistency of impedance control may also vary. Cooperate with Core and PP to realize the reverse engineering design and manufacture of mul-tilayer PCB board.
RADIO FREQUENCY PCB BOARD GERBER FILE CLONING
Radio Frequency PCB Board Gerber File Cloning has many uncertainties in the current publicly published theory, and is often described as a kind of “black art”. Under normal circumstances, for circuitry layout pattern in the frequency band below microwave (including low-frequency and low-frequency digital circuits), careful planning under the premise of a comprehensive grasp of various printed circuit board schematic reverse engineering principles is a guarantee for a one-time successful design. Clone circuit board
For PCB digital circuits with frequencies above microwaves and high frequencies, 2 to 3 versions of the PCB are required to ensure circuit layout drawing quality.
For Radio frequency pcb circuits reverse engineering above microwave frequency bands, more versions of the PCB design and continuous improvement are often required, and it is under the premise of having considerable experience. This shows the difficulty of Radio frequency electronic circuit board design.
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