Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1990-03-22
1992-02-11
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428195, 428457, 428913, 264106, 283 83, 359 1, B32B 900
Patent
active
050875108
ABSTRACT:
Electrolessly deposited metal holograms comprising a polymeric substrate having a holographic relief-patterned surface and a metal reflective layer electrolessly deposited to conform to and reproduce the holographic relief patterned. Light incident to the metal surface is reflected to provide an holographic reproduction of an holographic image inherent in said relief-patterned polymeric substrate.
REFERENCES:
patent: 3944420 (1976-03-01), Gale et al.
patent: 3962495 (1976-06-01), Feldstein
patent: 4018603 (1977-04-01), Sheridan et al.
patent: 4315665 (1982-02-01), Haines
patent: 4576439 (1986-03-01), Gale et al.
patent: 4840444 (1989-06-01), Hewitt
patent: 4910072 (1990-03-01), Morgan et al.
Morgan Albert W.
Taylor David L.
Tokas Edward F.
Vaughn George D.
Kelley Thomas E.
Monsanto Company
Ryan Patrick J.
Shear Richard H.
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