The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 30, 1999

Filed:

Jun. 05, 1997
Applicant:
Inventors:

Yutaka Kakuishi, Kanagawa, JP;

Satoru Hayakawa, Kanagawa, JP;

Toru Nakao, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428216 ; 428323 ; 428329 ; 428336 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428900 ;
Abstract

A magnetic recording tape favorably employable for computer data storage has a flexible polymer web, a magnetic recording layer arranged on one surface side of the web via a non-magnetic undercoating layer, and a back-coating layer arranged on another surface side of the web, wherein the magnetic recording tape has a thickness of not more than 8 .mu.m; the non-magnetic undercoating layer has a thickness of 0.5 to 2.0 .mu.m; the magnetic recording layer has a thickness of 0.5 to 1.0 .mu.m; the polymer web has a Young's modules of not lower than 700 kg/mm.sup.2 in its width direction; and the back-coating layer is made of a binder polymer, a carbon black and an inorganic material powder.


Find Patent Forward Citations

Kakuishi, Yutaka. (1999). Magnetic recording medium tape favorably employable for computer data (U.S. Patent No. 5888637). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5888637

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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