Metal working – Plural diverse manufacturing apparatus including means for... – Common reciprocating support for spaced tools
Patent
1985-08-19
1987-06-16
Roy, Upendra
Metal working
Plural diverse manufacturing apparatus including means for...
Common reciprocating support for spaced tools
29580, 29583, 29591, 148 15, 372 36, H01L 21302, H01L 21461, B01J 1700
Patent
active
046727361
ABSTRACT:
For adjustment of heat sinks to be applied to a wafer being used to form a plurality of semiconductor diodes, a mask is applied to the wafer. Openings of the mask are offset in rows relative to one another for the electrolytic deposition of the material of the heat sinks such that optimum exploitation of the wafer surface is achieved. Sufficient space remains for placement of scoring lines on the wafer surface to facilitate breaking of the wafer first into individual ingots, and then into separate laser diodes. End faces of the heat sinks are arranged close to minor faces of the diodes by appropriate placement of the scoring lines.
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patent: 4259682 (1981-03-01), Gamo
patent: 4306351 (1981-12-01), Ohsaka et al.
patent: 4525924 (1985-07-01), Schafer
patent: 4542512 (1985-09-01), Van Den Beemt
patent: 4546478 (1985-10-01), Shimizu et al.
Roy Upendra
Siemens Aktiengesellschaft
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