Electric heating – Metal heating – By arc
Patent
1988-08-19
1989-05-30
Albritton, C. L.
Electric heating
Metal heating
By arc
29603, 21912168, 2191218, B23K 2600
Patent
active
048353612
ABSTRACT:
This invention teaches a method for producing small machined parts by laser including a description of how to avoid sensitive edges of the work piece being machined and how to control beam size for maintaining uniform cavity depth over a relatively long work piece and also how to generate non-uniform cavity depth profiles on the surface of one or more parts. The invention also teaches that such a process can be used to produce satisfactory negative pressure air bearing sliders which are used to support the transducing magnetic heads for high density magnetic storage disk drives.
REFERENCES:
patent: 4046986 (1977-09-01), Barker
patent: 4301353 (1981-11-01), Suenaga et al.
patent: 4543464 (1985-09-01), Takeuchi
Albritton C. L.
Atlass Michael B.
Genovese Joseph A.
Magnetic Peripherals Inc.
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