PCB News - PCB Industry Chain

PCB Industry Chain
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Classified according to the upstream and downstream of the industry chain, it can be divided into raw materials, copper clad laminates, printed circuit boards, electronic product applications, etc. The relationship is as follows

Fiberglass cloth: Fiberglass cloth is one of the raw materials for copper clad laminates. It is woven from glass fiber yarn and accounts for about 40% (thick board) or 25% (thin board) of the cost of the copper clad laminate. Glass fiber yarn is calcined into a liquid state from raw materials such as silica sand in a kiln. It is drawn into a very fine glass fiber through a very small alloy nozzle, and then hundreds of glass fibers are twisted into a glass fiber yarn. The construction investment of the kiln is huge, which generally requires hundreds of millions of funds, and once it is ignited, it must be produced 24 hours a day, and the cost of entry and exit is huge.

Copper foil: Copper foil is the raw material that accounts for the largest proportion of the cost of copper clad laminates, accounting for about 30% (thick plate) or 50% (thin plate) of the cost of copper clad laminates. Therefore, the price increase of copper is the main driving force for the price increase of copper clad laminates.
Copper clad laminate: The copper clad laminate is a product made by pressing glass fiber cloth and copper foil together with epoxy resin as a fusion agent. It is the direct raw material of printed circuit boards and is made after etching, electroplating, and multi-layer board pressing. Into a printed circuit board.