Electric heating – Metal heating – By arc
Patent
1987-12-18
1988-11-15
Albritton, C. L.
Electric heating
Metal heating
By arc
219 85BA, 219 85BM, 21912163, B23K 2600
Patent
active
047851562
ABSTRACT:
In one embodiment (FIG. 1) leads (14) are soldered to bonding pads (11) by heating a silica heating member (17) with a laser beam (16). The heating member has a tubular shape and encloses the solder elements to be heated. In another embodiment (FIG. 3), the heating element is a plate (22) overlying elements to be soldered which plate is scanned by a laser beam (28) along a line (31) in close proximity to the elements to be soldered.
REFERENCES:
patent: 3283124 (1966-11-01), Kawecki
Benko John W.
Coucoulas Alexander
Albritton C. L.
American Telephone and Telegraph Company
Anderson Roderick B.
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