Process for producing molded bodies from granular material of si

Details Process for producing molded bodies from granular material of si Process for producing molded bodies from granular material of si

1987-04-08

1988-08-30

Cintins, Ivars

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

B29C 3902, B29C 3938

Patent

active

047675853

ABSTRACT:
A process for preparing molded bodies of granular material of silicon, germanium or mixed crystals of these elements. The granular material is introduced into a defined three dimensional mold and a chemical transport reaction is started which proceeds with the transport of silicon or germanium. As a result, the particles of the granular material intergrow with each other and eventually form a solid, porous molded body. By varying the starting material, the transport agent, and by adding dopants, the electrical properties of the product can be varied.

REFERENCES:
patent: 3868435 (1975-02-01), Daxer et al.

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