Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1987-03-26
1989-03-07
Swisher, Nancy A. B.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
264106, 428163, 428469, 428432, 428698, B32B 302
Patent
active
048105473
ABSTRACT:
A substrate provided thereon, with a film having a large number of fine grooves of a desired pattern is herein disclosed, which comprises a body of substrate and a film of at least one polymerized-condensed or crosslinked organometal compound formed on the substrate and having a large number of fine grooves on the surface and which can be produced by applying a solution containing at least one organometal compound and optionally a thickening agent to the surface of a body of substrate to form a film thereon; then impressing the film with a mold having a large number of fine ridges thereon to form grooves corresponding to the ridges, on the film; or applying the solution to the mold to form such a film and transferring the film to the body of substrate; and then calcining the resulting film having fine grooves to solidify the same. According to the method, an excellent substrate having good durability and optical properties can be produced simply and in a good yield.
REFERENCES:
patent: 809263 (1906-01-01), Hoyt et al.
patent: 3256109 (1966-06-01), Berger
patent: 4304806 (1981-12-01), Anderson et al.
patent: 4332879 (1982-06-01), Pastor et al.
patent: 4532074 (1985-06-01), Tabib et al.
Katayama Shinya
Matsuno Yoshihiro
Minami Tsutomu
Tohge Noboru
Nippon Sheet Glass Co. Ltd.
Swisher Nancy A. B.
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