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Multilayer PCB:
Designate the inner core
material, but additional cost and time maybe added depending on material
availability. We currently include the following laminates single sided with a
copper foil 1/8 oz. at 8 mil
and 1/2 oz. copper in 4, 8 and 10 mil materials for multilayering. Currently we
stock 2, 3, and 6 mil thick prepregs. These combinations allow Procyon PCB, Inc.
to make your multilayer PCB's to your specifications. Lamination of copper layers
onto each other is an overnight process. Proper curing and cooling is required
in order for a flat finished product. If hidden plated vias are required, a
additional lamination step is required. Therefore a four layer board can take as
long as two days to manufacture, a six layer will take three days, and an eight
layer board will take up to four days minimum to complete, and of course
additional layers and hidden vias will require additional days for lamination. Additional time maybe
required for cutting and pressing solder stop masking. |
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