Embossing foils having a magnetic layer

Details Embossing foils having a magnetic layer Embossing foils having a magnetic layer

1985-05-16

1986-12-23

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

156233, 156235, 156239, 156240, 428201, 428206, 428207, 428209, 428692, 428913, 428914, 428915, 428916, B32B 300

Patent

active

046312234

ABSTRACT:
An embossing foil includes a layer which can be written upon, together with a magnetic layer for data storage purposes. Between the magnetic layer and the writing layer, the foil has a layer with a barrier effect to prevent the writing layer from being attacked by solvent contained in the magnetic layer. The foil may further comprise between the magnetic and writing layers, a structure producing an optical diffraction effect such as a hologram, with the writing surface and said structure being so arranged that nonetheless said structure can still be read, including by machine.

REFERENCES:
patent: 4223057 (1980-09-01), Rejto
patent: 4463034 (1984-07-01), Tokunaga et al.
patent: 4503110 (1985-03-01), Skene

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