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:
Apr. 26, 2011
Filed:
Jul. 29, 2004
Makihiro Otohata, Sagamihara, JP;
Hiroshi Yageta, Sagamihara, JP;
Makihiro Otohata, Sagamihara, JP;
Hiroshi Yageta, Sagamihara, JP;
NEC Corporation, Tokyo, JP;
Abstract
A film-covered batteryincludes battery elementand laminate filmsandfor sealing battery element. Laminate filmsandare realized by laminating a heat-seal resin layer and a metal foil layer and seal battery elementby arranging the films on either side of battery elementwith the heat-seal resin layers disposed on the inside and then heat-sealing at sealing areasandon the outer peripheries of the films. The areas of the laminate filmsandother than sealing areasandare electron beam irradiation areasandthat are irradiated by an electron beam. Cross-linked structures are formed in the heat-seal resin layers of electron beam irradiation areasandby irradiation by an electron beam.