Method for preventing oxidation of lead frame in bonding system

Details Method for preventing oxidation of lead frame in bonding system Method for preventing oxidation of lead frame in bonding system

1991-09-30

1992-11-10

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156497, 29840, 219 5622, 228220, B32B 3114, B23K 3102

Patent

active

051620685

ABSTRACT:
Disclosed is a method for preventing the oxidation of a lead frame in a bonding system comprising the steps of introducing a first atmospheric gas toward a bonding portion of a lead frame along a surface of the lead frame and supplying a second atmospheric gas to shield the bonding portion from contact with ambient air simultaneously with the introduction of the first atmospheric gas.

REFERENCES:
patent: 4732313 (1988-03-01), Kobayashi et al.

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