B.sub.2 O.sub.3 Diffusion processes

Details B.sub.2 O.sub.3 Diffusion processes B.sub.2 O.sub.3 Diffusion processes

1981-08-07

1983-04-05

Ozaki, G.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148186, H01L 21223

Patent

active

043790062

ABSTRACT:
Disclosed is a method of evolving B.sub.2 O.sub.3 from certain B.sub.2 O.sub.3 containing glass-ceramics by heating the glass-ceramic in the pressure of helium as a carrier or transport gas.

REFERENCES:
patent: 3007816 (1961-11-01), McNamara
patent: 3653862 (1972-04-01), Lynch
patent: 3907618 (1975-09-01), Rapp
patent: 3928096 (1975-12-01), Vergano et al.
patent: 3961969 (1976-06-01), Rapp
patent: 3962000 (1976-06-01), Rapp
patent: 3998667 (1976-12-01), Rapp
patent: 4028151 (1977-06-01), Lindmayer
patent: 4160672 (1979-07-01), Rapp

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