Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1989-12-18
1992-02-18
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
242198, G11B 2304
Patent
active
050899244
ABSTRACT:
The present invention concerns a magnetic tape cassette housing comprising a polymeric cassette box having an interior surface. The interior surface of the cassette box has been irradiated with an amount of ultraviolet radiation sufficient to impart a priming effect to the interior surface of the cassette box. A wear pad is adhered to the interior surface of the cassette box. The wear pad comprises a low-friction, wear-resistant polyolefin sheet. The wear pad also comprises a polyamide adhesive layer coated on one side of the polyolefin sheet and adhering the polyolefin sheet to the interior surface of the cassette box. In another aspect, the present invention concerns a method of applying a polyolefin sheet to an interior surface of a polymeric cassette box.
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Hegel Ramon F.
Teuber Vincent P.
Griswold Gary L.
Kagan David B.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Wolff John H.
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