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:
Oct. 30, 2007
Filed:
Feb. 09, 2004
Sayaka Kawashima, Tokyo, JP;
Minoru Komada, Tokyo, JP;
Shinya Satou, Tokyo, JP;
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Abstract
A barrier film is provided having extremely high barrier properties and a good transparency as part of a laminated material having use as a packaging container which may possess an image display medium, the high barrier properties and good transparency which are achieved with a barrier film comprised of a base material film and a barrier layer deposited on at least one side surface of the base material film, with the barrier layer comprising a water repellent layer and a dense layer, the water repellent layer being a silicon oxide carbide film having the atomic percent of Si:O:C in a range of 100:40 to 120:80 to 160, and the thickness in a range of 2 to 300 nm, and the dense layer being a silicon oxide carbide film having the atomic percent of Si:O:C in a range of 100:100 to 200:5 to 100, and the thickness in a range of 5 to 300 nm.