Final Quality Inspection of Printed circuit board
PCB zero defect is our goal, all our PCB board products, 100% test and inspection, acceptance standard IPC-A-600-H and IPC-6012; 100% Double Inspection before outgoing.
In practical situations, PCB transmission lines usually consist of a wire trace, one or more reference layers, and insulating materials.
Traces and slabs constitute the control impedance. PCB will often adopt a multi-layer structure, and the control impedance can also be constructed in various ways.
However, no matter what method is used, the impedance value will be determined by its physical structure and the electronic properties of the insulating material:
Width and thickness of the signal trace Height of the core or pre-filled material on both sides of the trace Configuration of traces and slabs Insulation constant of core and pre-filled material.
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