Transfer machine for sealing electronic or like components under

Details Transfer machine for sealing electronic or like components under Transfer machine for sealing electronic or like components under

1977-09-27

1979-09-04

Hall, Carl E.

Metal fusion bonding

With means to handle work or product

228221, 29722, 198339, 198619, 316 19, B23K 300, C23C 1308, H01L 4122

Patent

active

041665635

ABSTRACT:
An apparatus is provided comprising three elongated vacuum chambers arran in line one after another whereby a component carrying means may be transferred successively from one chamber to another. Of these three chambers the first and third comprise air locks and the intermediate chamber contains heat sealing means whereby components undergoing sealing may be soldered under vacuum. By providing a permanent magnet on each end of the component carrying means this may be shifted between vacuum chambers by external application of a magnet. The overall length of the apparatus is reduced since only three chambers are required and the intermediate chamber may be made shorter than would be the case where no such arrangement is provided.

REFERENCES:
patent: 3202406 (1965-08-01), Tack
patent: 3317106 (1967-05-01), Dix
patent: 3717119 (1973-02-01), Boys et al.
patent: 3914836 (1975-10-01), Hafner et al.
patent: 4030622 (1977-06-01), Brooks et al.

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