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:
Apr. 13, 2004

Filed:

May. 25, 2001
Applicant:
Inventors:

Teruo Ashikawa, Kanagawa, JP;

Shozo Onmori, Kanagawa, JP;

Kazuo Hiraguchi, Kanagawa, JP;

Hiroyuki Naito, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/3087 ;
U.S. Cl.
CPC ...
G11B 2/3087 ;
Abstract

A magnetic tape cassette includes an ID board for enabling a hardware to identify the magnetic tape by bringing contacts on a circuit board of the ID board which are exposed through an opening formed in a lower cassette half into contact with corresponding contacts in the hardware. Additionally, a plating treatment is provided on the contacts on the ID board. Further, a determined distance is secured between all end portions of the parts of the circuit board. Which are provided with the plating treatment, and the end faces of the circuit board. In an illustrative, non-limiting embodiment, the determined distance of the ID boards at a forward position in a moving direction of the magnetic tape cassette at which the contacts on the ID board are adapted to slidably contact with the contacts in the hardware is set to be 0.05-0.25 mm.


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