Metal working – Method of mechanical manufacture – Electrical device making
Patent
1985-10-16
1987-06-16
Goldberg, Howard
Metal working
Method of mechanical manufacture
Electrical device making
29740, 156362, 228 491, H05K 334, B23P 1900
Patent
active
046727426
ABSTRACT:
The assembling of integrated circuits takes place in a welding post in which a film bearing circuit units advances step by step. Each integrated circuit is brought into the welding post by a rotating platform driven step by step in synchronism with the film. The integrated circuits are loaded in a loading post angularly separated from the welding post and very slightly separated from the exact position they should occupy following their transfer to the welding post. The position error is corrected in an alignment post by simply sliding the integrated ciruit over the platform surface. Thus three operations may be simultaneously performed (loading, alignment and welding) on three individual integrated circuits.
REFERENCES:
patent: 3559279 (1971-02-01), Miklaszewski
patent: 3698620 (1972-10-01), Geyer
patent: 3715258 (1973-02-01), Cunnane
patent: 3724068 (1973-04-01), Galli
patent: 4342090 (1982-07-01), Caccoma et al.
patent: 4526646 (1985-07-01), Suzuki et al.
Arbes Carl J.
Eta SA Fabriques d'Ebauches
Goldberg Howard
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