Double-sided printed wiring board and method of manufacture ther

Details Double-sided printed wiring board and method of manufacture ther Double-sided printed wiring board and method of manufacture ther

1992-12-15

1994-06-07

Picard, Leo P.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

174264, 174266, H05K 100

Patent

active

053191595

ABSTRACT:
A double-sided printed wiring board includes a base plate having a copper foil laminated on each of the opposite sides thereof. The copper foil-laminated base plate has through-holes extending therethrough, and at least one of the through-holes is internally plated for providing a through-via-hole into which a resin filler is provided and solidified. A closed through-via-hole is thus obtained. The copper foil-laminated base plate including the closed through-via-hole is copper-plated, and a particular wiring pattern is formed thereon. A chip land is formed in alignment with the closed through-via-hole.

REFERENCES:
patent: 4659931 (1987-04-01), Schmitz et al.
patent: 4791248 (1988-12-01), Oldenettel

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