Invention Grant
- Patent Title: Entry sheet for drilling
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Application No.: US15300629Application Date: 2015-03-30
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Publication No.: US10674609B2Publication Date: 2020-06-02
- Inventor: Yousuke Matsuyama , Takaaki Ogashiwa
- Applicant: Mitsubishi Gas Chemical Company, Inc.
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Gas Chemical Company, Inc.
- Current Assignee: Mitsubishi Gas Chemical Company, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Fitch, Even, Tabin & Flannery LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@49ab4969
- International Application: PCT/JP2015/059950 WO 20150330
- International Announcement: WO2015/152162 WO 20151008
- Main IPC: H05K3/00
- IPC: H05K3/00 ; B26D7/08 ; B26F1/16
Abstract:
The present invention provides an entry sheet for drilling which provides higher hole position accuracy than that of a conventional entry sheet for drilling. The present invention provides an entry sheet for drilling, including a metal foil, and a layer including a resin composition and formed on at least one surface of the metal foil, wherein the resin composition includes a resin and tungsten disulfide as a solid lubricant, and the content of the tungsten disulfide included in the resin composition is 10 parts by mass to 200 parts by mass based on 100 parts by mass of the resin included in the resin composition.
Public/Granted literature
- US10531567B2 Entry sheet for drilling Public/Granted day:2020-01-07
Information query
