Registers – Records – Magnetic
Patent
1979-09-17
1981-10-27
Kilgore, Robert M.
Registers
Records
Magnetic
235488, 360 2, G06K 1902, G11B 2504, G06K 1906
Patent
active
042975700
ABSTRACT:
A stripe for magnetically receiving encoded information; the stripe is bonded and adhered to any type of document having a paper substrate onto which the magnetic stripe is deposited, usually in the form of a narrow rectilinear strip, which is raised above the original surface of the paper substrate by embossing the latter during deposition of the magnetic stripe. Basically the invention entails the provision of a flexible sheet for use in forming a magnetic recording medium in the form of a magnetic stripe on a paper substrate, e.g. a document such as a bank passbook. The sheet includes a first layer of magnetic-particle-free thermoplastic material, which is bonded to the paper substrate by application of high temperature and pressure to a local narrow rectilinear area thereof. Above the first layer and permanently bonded thereto is a middle layer of magnetizable material consisting of a plurality of discrete magnetizable particles dispersed in a matrix. Above the middle layer is a second layer of magnetic-particle-free thermoplastic material permanently bonded to the middle layer. A carrier web such as Mylar (a phthalate ester) is detachably bonded to the second layer of thermoplastic material.
REFERENCES:
patent: 3325632 (1967-06-01), Lilly
patent: 3644716 (1972-02-01), Nagata
patent: 3676644 (1972-07-01), Vaccaro
patent: 3838252 (1974-09-01), Hynes
patent: 3874586 (1975-04-01), Foote
patent: 3986205 (1976-10-01), Fayling
patent: 4090662 (1978-05-01), Fayling
Kowalski George A.
Mayer George
Rosenbaum Murray
Kilgore Robert M.
Koller & Smith Co., Inc.
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