Device for providing a non-oxidizing atmosphere above a solderin

Details Device for providing a non-oxidizing atmosphere above a solderin Device for providing a non-oxidizing atmosphere above a solderin

1991-12-12

1992-11-10

Heinrich, Samuel M.

Metal fusion bonding

Including means to apply flux or filler to work or applicator

By partial or total immersion of work or applicator into liquid

228 42, B23K 300

Patent

active

051617277

ABSTRACT:
A device for providing a non-oxidizing atmosphere above a soldering bath in a vat of a machine for wave soldering, includes a hooding assembly closing the vat, an inner space and a conveyor for electronic circuits extending through the inner space. The inner space is separated from the surrounding atmosphere through seals disposed along the path of the circuits. There is structure for providing and maintaining a non-oxidizing atmosphere in the inner space, for example an inert gas or a mixture of inert and reducing gas.

REFERENCES:
patent: 4921156 (1990-05-01), Hohnerlein
patent: 5044542 (1991-09-01), Deambrosio
patent: 5048746 (1991-09-01), Elliott et al.
Patent Abstract of Japan, 63-174778, "Automatic Soldering Method and its Device", vol. 12, No. 442 (M-766) [3289] Nov. 21, 1988.

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