Method for producing a semi-conductor body

Details Method for producing a semi-conductor body Method for producing a semi-conductor body

1974-10-25

1976-07-06

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Carbide containing

106 44, 264104, H01B 104

Patent

active

039680576

ABSTRACT:
A method for producing a semi-conductor body is disclosed. The batch for the body is silicon carbide and reactive alumina. The batch is first dry ball milled with from 1/2 to 2% fatty acid and pressed into a shape. The shape is then fired either in air below 2300.degree.F. or in an inert gas atmosphere to a temperature from about 2000.degree. to 3000.degree.F., and for a time sufficiently long to produce a semi-conductor body having a specified apparent porosity. An impregnation step is also disclosed to achieve the specified apparent porosity.

REFERENCES:
patent: 3274311 (1966-09-01), Watson et al.
patent: 3376367 (1968-04-01), Subramanya et al.

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