Feedthrough pin and process for its preparation, and electrical

Details Feedthrough pin and process for its preparation, and electrical Feedthrough pin and process for its preparation, and electrical

1994-07-19

1997-01-21

Paumen, Gary F.

Electrical connectors

Contact terminal

Having treated surface or distinct contact surface layer

439935, 29874, H01R 1303

Patent

active

055955142

ABSTRACT:
A feedthrough (34) is formed of a feedthrough plate (44) having at least one bore (46) therethrough and a feedthrough pin (48) hermetically sealed into the bore (46). The feedthrough pin (48) includes an elongated pin (50) having an axis of elongation (52), a recess (54) in at least one end of the pin (50), the recess (54) extending parallel to the axis of elongation (52), and a gold coating (56) within the recess (54). There are preferably a plurality of bores (46) in the feedthrough plate (48) and a corresponding plurality of the feedthrough pins (48). The gold coatings (56) at the ends of the feedthrough pins (48) are desirably lapped to ensure coplanarity and a smooth surface finish especially suited for wire bonding or tab bonding.

REFERENCES:
patent: 2897584 (1959-08-01), Schumpelt
patent: 3257636 (1966-06-01), Horssen
patent: 4479069 (1984-10-01), Miller
patent: 4657337 (1987-04-01), Kyle
patent: 5221874 (1993-06-01), Dayton

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