Invention Grant
- Patent Title: Roll-stamper for forming substrate of information-recording medium
- Patent Title (中): 用于形成信息记录介质的基板的辊压模
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Application No.: US658688Application Date: 1991-02-21
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Publication No.: US5173313APublication Date: 1992-12-22
- Inventor: Tetsuya Sato , Osamu Kanome , Hitoshi Yoshino , Hisanori Hayashi , Hirofumi Kamitakahara
- Applicant: Tetsuya Sato , Osamu Kanome , Hitoshi Yoshino , Hisanori Hayashi , Hirofumi Kamitakahara
- Applicant Address: JPX Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JPX Tokyo
- Priority: JPX2-39758 19900222
- Main IPC: G11B7/26
- IPC: G11B7/26 ; B29C33/30 ; B29C59/04 ; B29D17/00
Abstract:
A roll-stamper for forming substrates of an information-recording medium includes at least one stamper being fastened along a peripheral face of a mirror roller, carrying on a surface thereof patterns each corresponding to a preformat for an information recording medium, also having stoppers fixed along both edges on the reverse side thereof, and being fastened to the mirror roller by inserting the stoppers respectively into negative stopping-grooves cut into the mirror roller in parallel with the axis of the mirror roller.
Public/Granted literature
- US4708425A Bidirectional optical wavelength multiplexer-demultiplexer Public/Granted day:1987-11-24
Information query
IPC分类:
