Circuit board

Details Circuit board Circuit board

1996-12-11

1999-09-14

Young, Lee W.

Metal working

Method of mechanical manufacture

Electrical device making

29848, 29830, H05K 336, H05K 342

Patent

active

059503068

ABSTRACT:
A circuit board includes a wiring board which includes an insulative board having a wiring pattern on one surface thereof, a connection hole being formed in the insulative board such that the connection hole reaches the wiring pattern, a conductive bump, which is formed by growing a plating on the wiring pattern, being embedded in the connection hole, and the conductive bump serves as a connection to a wiring pattern which is intimately attached to the other surface of the insulative board.

REFERENCES:
patent: 5072289 (1991-12-01), Sugimoto et al.
patent: 5309629 (1994-05-01), Traskos et al.
patent: 5464682 (1995-11-01), Perfecto et al.

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