Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1979-06-19
1981-12-08
Silverman, Stanley S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
360134, 428150, 428330, 428331, 428409, 428483, 428694, 428900, G11B 578
Patent
active
043048072
ABSTRACT:
A magnetic recording tape comprising a polyethylene terephthalate substrate and a magnetic material-containing layer closely adhered onto the substrate, which tape exhibits a reduced envelope variation. The polyethylene terephthalate substrate satisfies the formula:
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Kawakami Yoshio
Matsuzawa Yoneo
Silverman Stanley S.
TDK Electronics Co. Ltd.
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