Invention Grant
- Patent Title: Adhesive sheet
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Application No.: US15129955Application Date: 2015-04-02
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Publication No.: US10233360B2Publication Date: 2019-03-19
- Inventor: Kiichiro Kato , Kazue Uemura , Yumiko Amino , Shigeru Saito
- Applicant: LINTEC CORPORATION
- Applicant Address: JP Itabashi-ku
- Assignee: LINTEC CORPORATION
- Current Assignee: LINTEC CORPORATION
- Current Assignee Address: JP Itabashi-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2014-076577 20140402
- International Application: PCT/JP2015/060413 WO 20150402
- International Announcement: WO2015/152347 WO 20151008
- Main IPC: C09J7/02
- IPC: C09J7/02 ; C09J11/04 ; C09J7/38 ; C09J133/08 ; C08K3/36 ; C08K3/22

Abstract:
Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 μm or more exist in a predetermined region (P) on the surface (α), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (Q) on the surface (α).
Public/Granted literature
- US20170174944A1 ADHESIVE SHEET Public/Granted day:2017-06-22
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