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:
Jan. 11, 2000
Filed:
Dec. 02, 1996
Applicant:
Inventor:
Hisataro Watada, Kyoto, JP;
Assignees:
Watada Printing Co., Ltd., Kyoto, JP;
Nagase & Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235488 ; 235457 ; 235492 ;
Abstract
A plastic card prepared by laminating unstretched polyester sheets to both sides of a single sheet or a laminate of a plurality of sheets of a stretched polyester film, cutting the obtained laminate to a shape of a card, and forming a cavity for embedding a chip module by milling in the laminate cut to the shape of a card. The plastic card is excellent in mechanical strength, dimensional stability, heat resistance, and property for printing, contains no hazardous halogen elements, and has a cavity for embedding a chip module which is formed without formation of burr by milling.