Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Patent
1974-04-29
1976-02-24
Ozaki, G.
Metal treatment
Process of modifying or maintaining internal physical...
Chemical-heat removing or burning of metal
148172, 118415, H01L 738
Patent
active
039402967
ABSTRACT:
In a method of providing a layer of semiconductor material on a flat side of a substrate from a solution which contains the semiconductor material, the substrate is provided in a recess of a substrate holder which closes the lower side of a reservoir containing the solution. By a relative displacement of the reservoir relative to the substrate holder, the said flat side of the substrate is moved below or away from the solution present in the reservoir. The flat side of the substrate is brought at a desired height relative to the lower side of the reservoir, solution from the reservoir is provided on the substrate and when the reservoir is removed relative to the substrate a quantity of solution of an adjustable height is left on the substrate.
REFERENCES:
patent: 3747562 (1973-07-01), Stone et al.
patent: 3821039 (1973-03-01), Ettenberg
Fougeres Marc Paul Andre
Nijman Willem
van Oirschot Theodorus Gerardus Jacobus
Nigohosian Leon
Ozaki G.
Trifari Frank R.
U.S. Philips Corporation
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