Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1993-02-09
1997-09-30
Le, H. Thi
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428156, 428163, 428164, 428168, 428323, 428328, 428402, 430 2, 430 10, 430 11, 430292, 430294, B32B 300, B32B 328, B32B 516
Patent
active
056724101
ABSTRACT:
A process for preparing embossed, finely-divided, thin, bright-metal particles which process comprises forming an embossed release surface to at least one side of a carrier sheet, depositing a metal film onto the release surface so that the metal film conforms to the embossed surface, solubilizing the release surface, removing the metal film from the carrier sheet, and breaking the thin metal film into embossed particles having an average diameter of between 25 to 50 microns. The film may also take the form of an optical stack.
REFERENCES:
patent: 2839378 (1958-06-01), McAdow
patent: 4264664 (1981-04-01), Kunz
patent: 4321087 (1982-03-01), Levine et al.
patent: 5071597 (1991-12-01), D'Amato et al.
Benoit Dennis R.
Josephy Karl
Miekka Richard G.
Rettker James P.
Thomas Richard M.
Avery Dennison Corporation
Le H. Thi
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