Electric heating – Metal heating – By arc
Patent
1983-02-17
1985-04-02
Albritton, C. L.
Electric heating
Metal heating
By arc
219121EB, 219121EL, B23K 1500
Patent
active
045089523
ABSTRACT:
A method for the cutting of holes 20 Angstroms in diameter, or lines 20 Angstroms wide in a material having positive ionic conduction by the use of a focused electron probe is described. The holes and lines are stable under ambient conditions.
REFERENCES:
patent: 2793281 (1957-05-01), Steigerwald
Schollhammer, "Electron Beam Cutting Techniques for Electronic Applications", The 6th National IRE Conference, Nov., 1962, pp. 1-12.
Humphreys Colin J.
Mochel Margaret E.
Albritton C. L.
University Patents Inc.
Yahwak George M.
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