Method of producing hollow semiconductor bodies

Details Method of producing hollow semiconductor bodies Method of producing hollow semiconductor bodies

1973-02-12

1976-04-13

Drummond, Douglas J.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

156242, 228196, 228263, 264 81, 427 51, 427 86, 427 87, 427249, B29D 2300, B01J 1732, B29C 2400, B29D 3100

Patent

active

039504794

ABSTRACT:
Described are two methods of producing a hollow body, comprised of semiconductor material, especially silicon, by precipitation from a gaseous compound of said semiconductor material upon the surface of a heated carrier body, which after a sufficiently thick layer of semiconductor material has been precipitated, is removed again without damaging said layer. One method is characterized by using a hollow carrier body, open at least at two opposite sides. In one embodiment, prior to the precipitation of the semiconductor material, one of the open sides of the carrier body is covered by a wafer from the same semiconductor material whose shape corresponds to the open side. Thereafter, the semiconductor material is precipitated from the gaseous compound until the desired layer thickness and a gas-tight connection is obtained between the layer and the covering semiconductor material. The second method precipitates a semiconductor layer and thereafter welds a cover on one or both open ends the tube.

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