Method of producing plate- or tape-shaped silicon crystal bodies

Details Method of producing plate- or tape-shaped silicon crystal bodies Method of producing plate- or tape-shaped silicon crystal bodies

1980-06-17

1982-05-18

Smith, John D.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG88, 156605, 29572, 136250, 136258, 264 63, 264 66, 264 67, 427 74, 427 85, 427 86, H01L 3118, C03B 102

Patent

active

043303587

ABSTRACT:
Selectively shaped silicon crystal bodies, such as plate- or tape-shaped bodies, having crystalline pillar-like structures therein are produced by forming a slurry from an admixture of relatively fine sized silicon particles and a liquid binder, extruding such slurry as a relatively thin layer onto a first support member, drying such extruded layer until it becomes self-supporting and removing such support member, and then sintering such dried layer in a protective gas atmosphere at temperatures below about 1430.degree. C. until a layer of crystalline silicon particles are generated or grown having an average diameter substantially corresponding to the thickness of the dried slurry layer.

REFERENCES:
patent: 2904613 (1959-09-01), Paradise
patent: 3900943 (1975-08-01), Sirtl
patent: 4021323 (1977-05-01), Kilby et al.
patent: 4027053 (1977-05-01), Lesk
patent: 4173494 (1979-11-01), Johnson et al.
patent: 4238436 (1980-12-01), Hill
Fang et al., "Polycrystalline Silicon Films . . . for Solar Cell Application", Applied Physics Letters, vol. 25, No. 10, Nov. 1974.
Rosenblatt, "Energy Crisis . . . Power Sources", Electronics, pp. 99-111, (Apr. 1974).

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