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:
Mar. 21, 2006
Filed:
Nov. 27, 2000
Takeshi Miyakawa, Gunma, JP;
Mikio Shimizu, Gunma, JP;
Yuichi Kadoya, Gunma, JP;
Masafumi Hiura, Gunma, JP;
Minoru Oda, Gunma, JP;
Takeshi Miyakawa, Gunma, JP;
Mikio Shimizu, Gunma, JP;
Yuichi Kadoya, Gunma, JP;
Masafumi Hiura, Gunma, JP;
Minoru Oda, Gunma, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An electronic component packaging container which comprises a multilayer polyester sheet having a base layer comprising a polyethylene terephthalate type resin and a polycarbonate type resin and a surface layer comprising a polycarbonate type resin, formed on at least one side of the base layer, wherein the base layer contains from 70 to 97 wt % of the polyethylene terephthalate type resin and from 3 to 30 wt % of the polycarbonate type resin based on the total amount of the polyethylene terephthalate type resin and the polycarbonate type resin, and the thickness of the surface layer is from 10 to 30% of the total thickness.