Invention Grant
- Patent Title: Laminated photosensitive relief printing original plate and method for producing the relief printing plate
- Patent Title (中): 层压感光凸版印刷原版及凸版印刷版的制作方法
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Application No.: US10564978Application Date: 2004-09-01
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Publication No.: US07399575B2Publication Date: 2008-07-15
- Inventor: Toshiya Takagi , Takashi Fujimoto
- Applicant: Toshiya Takagi , Takashi Fujimoto
- Applicant Address: JP Kanagawa
- Assignee: Tokyo Ohka Kogyo Co., Ltd.
- Current Assignee: Tokyo Ohka Kogyo Co., Ltd.
- Current Assignee Address: JP Kanagawa
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2003-322052 20030912
- International Application: PCT/JP2004/013003 WO 20040901
- International Announcement: WO2005/026836 WO 20050324
- Main IPC: G03F7/00
- IPC: G03F7/00 ; G03F7/26 ; G03C5/18 ; G03C5/26 ; G03C1/725
Abstract:
A relief printing original plate including a substrate, a photosensitive resin layer thereon that is photosensitive to ultraviolet radiations, and a mask layer thereon having both ultraviolet and non-ultraviolet absorbability, the ultraviolet absorbability being deactivatable in response to receiving non-ultraviolet radiation. A method for producing a relief printing plate by using the original plate is also provided.
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