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:
Jun. 09, 2020
Filed:
Sep. 27, 2016
Lintec Corporation, Itabashi-ku, JP;
Kazue Uemura, Tsukubamirai, JP;
Kiichiro Kato, Saitama, JP;
Yumiko Amino, Funabashi, JP;
Koji Tsuchibuchi, Kashiwa, JP;
Takamasa Kase, Koshigaya, JP;
Yusuke Matsuoka, Tatsuno, JP;
LINTEC CORPORATION, Itabashi-ku, JP;
Abstract
A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (α) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (α) of the resin layer, and a width of the concave portion observed from the side of the surface (α) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (α), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.