Prereg also named “bonding sheet” (adhesive film), it’s the main part of the pcb substrate CCL, and made by glass fiber or other impregnated resin fibers.
Please see the blow form of prereg making process:
Prereg also named “bonding sheet” (adhesive film), it’s the main part of the pcb substrate CCL, and made by glass fiber or other impregnated resin fibers.
Please see the blow form of prereg making process:
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