Light-transmitting silicon nitride

Details Light-transmitting silicon nitride Light-transmitting silicon nitride

1980-01-30

1981-07-21

Vertiz, O. H.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 3558

Patent

active

042796571

ABSTRACT:
A polycrystalline silicon nitride body having a density of at least 99.5% of the theoretical density of silicon nitride, a thickness ranging from about 0.15 mm up to but less than 0.4 mm, a minimum in-line transmission of about 1% of radiant energy at wavelengths ranging from about 1.6 microns to about 5.0 microns.

REFERENCES:
patent: 3992497 (1976-11-01), Terwilliger et al.
patent: 4099979 (1978-07-01), Lange
patent: 4124402 (1978-11-01), Greskovich et al.

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