Metal working – Method of mechanical manufacture – Electrical device making
Patent
1995-07-21
1998-04-28
Arbes, Carl J.
Metal working
Method of mechanical manufacture
Electrical device making
29837, 29852, 2281801, 257713, 439 74, 439 75, 439608, H05K 336
Patent
active
057430047
ABSTRACT:
A multi-layer printed circuit board or card including at least one passage in at least one of the layers of the circuit board or card for preventing the diffusion of heat throughout the circuit board or card during the securing or removal of components in plated through holes in the circuit board or card by the heating of the plating material to a temperature above a melting point of the plating material.
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patent: 5211567 (1993-05-01), Neumann et al.
patent: 5363280 (1994-11-01), Chobot et al.
patent: 5400504 (1995-03-01), Neumann et al.
patent: 5473813 (1995-12-01), Chobot et al.
Chobot Ivan Ivor
Covert John Arthur
Haight Randy Lee
Mansfield Keith David
Miller Donald Wayne
Arbes Carl J.
International Business Machines - Corporation
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