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.
Patent No.:
Date of Patent:
Feb. 18, 2003
Filed:
Apr. 08, 2002
Kazuhito Matsumura, Utsunomiya City, Tochigi Prefecture, JP;
Kenichi Yoshida, Osaka, JP;
Tohru Iwai, Osaka, JP;
Hidekazu Nakata, Utsunomiya, JP;
Masato Yoshizawa, Utsunomiya, JP;
Other;
Abstract
An electromagnetic wave absorbing sheet S is disclosed. The absorbing sheet S includes a laminated-structural layer of a nonwoven fabric sheet and a metallic layer such as iron, aluminums, copper or their alloy which is disposed on a bottom surface of the metallic layer . The nonwoven fabric sheet includes non-metallic fibers having no binding faculty, non-metallic binding fibers having binding faculty which are melted by heat to bind neighboring fibers, and metallic fibers having an irregular cross-section and being produced by shaving a metallic wire or rod, that are dispersed uniformly in the nonwoven fiber layer or layers.