Metal fusion bonding – With means to handle work or product – Including means to orient work or position work portion...
Patent
1991-01-16
1992-02-04
Seidel, Richard K.
Metal fusion bonding
With means to handle work or product
Including means to orient work or position work portion...
228122, 228123, 29827, 29760, 29840, B23K 114
Patent
active
050853627
ABSTRACT:
An alignment apparatus for use in sealing of a package lid to a base of an integrated circuit package. A fabrication boat for leadless chip carriers includes a plurality of arrays of upwardly extending fingers disposed to secure a base of a leadless chip carrier. An alignment member is slidably fit over the carrier base and the upwardly extending fingers. Each alignment member includes shoulders, each shoulder having a lower vertical surface in contact with the carrier base and having a horizontal surface resting upon the carrier base. Upper vertical surfaces of the shoulders are spaced apart to slidably receive a package lid for alignment with the base. The package lids are held within the alignment member primarily by gravitational force.
REFERENCES:
patent: 3695502 (1972-10-01), Gaiser
patent: 4371912 (1983-02-01), Guzik
patent: 4512509 (1985-04-01), Ellis, Jr. et al.
patent: 4646435 (1987-03-01), Grassauer
patent: 4804130 (1989-02-01), Kwan et al.
patent: 4836434 (1989-06-01), Takenaka et al.
patent: 5014418 (1991-05-01), Wright
Art Jack
Levad Douglas J.
Atmel Corporation
Hong Patty E.
Seidel Richard K.
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