Polishing of CdS crystals

Details Polishing of CdS crystals Polishing of CdS crystals

1976-12-22

1978-08-22

Klein, David

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

252 792, C09K 1304

Patent

active

041087160

ABSTRACT:
A process for polishing both the cadmium and sulfur face of CdS using buffered HCl solutions has been found to produce very smooth crystal surfaces. Use of HCl solutions buffered to a pH between 2.2 and 2.8 to polish the cadmium face is quite effective. An equally effective polishing agent for the sulfur face is a HCl solution buffered to a pH between 0.7 and 1.3.

REFERENCES:
patent: 3436286 (1969-04-01), Lange
patent: 3629023 (1971-12-01), Strehlow
patent: 3764424 (1973-10-01), Sayko
Sullivan et al., "Chemical Polishing of Cadmium Sulfide", Journal of the Electrochemical Society, vol. 114 (Mar. 1967), pp. 295-297.
Smith et al., "Chemomechanical Polishing of CdS", Journal of the Electrochemical Society, vol. 121 (Aug. 1974), pp. 1064-1066.
Warekois et al., "Crystallographic Polarity in II--VI Compounds", Journal of Applied Physics, vol. 33 (2/62), pp. 690-696.
The Condensed Chemical Dictionary, Reinhold Publishing Corp., 7th edition, New York, N.Y., p. 140 (1966).

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