JPS6464834A - Manufacture of base of disc - Google Patents
Manufacture of base of discInfo
- Publication number
- JPS6464834A JPS6464834A JP22360887A JP22360887A JPS6464834A JP S6464834 A JPS6464834 A JP S6464834A JP 22360887 A JP22360887 A JP 22360887A JP 22360887 A JP22360887 A JP 22360887A JP S6464834 A JPS6464834 A JP S6464834A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- curing resin
- radiation curing
- primer
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To mitigate a stress generated upon absorbing moisture, permit the restriction of generation of a crack in a radiation curing resin layer and improve the reliability of the base of a disc, by interposing a stress mitigating layer between a primer layer and the radiation curing resin layer. CONSTITUTION:A stress mitigating layer, whose water absorption expansion coefficient shows an intermediate value between those of a primer layer and a radiation curing resin layer, is interposed as a method wherein the pattern of a disc is not broken upon mold releasing from a stamper and cracks are not generated in the radiation curing resin layer, while the stress mitigating layer is formed by incorporating a primer into the radiation curing resin. The primer, having a small water absorption expansion coefficient, is selected to coat a primer layer 2 on the base 1, thereafter, the stress mitigating layer 4, having the water absorption expansion coefficient smaller than that of the primer layer 2, is formed. The radiation curing resin layer 3, provided with a proper hardness, is coated on the stress mitigating layer 4 and the pattern is formed by the stamper, whereby the base of a disc, excellent in a bonding property between the base 1 and prevented from the generation of cracks due to water absorption, may be manufactured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22360887A JPS6464834A (en) | 1987-09-07 | 1987-09-07 | Manufacture of base of disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22360887A JPS6464834A (en) | 1987-09-07 | 1987-09-07 | Manufacture of base of disc |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6464834A true JPS6464834A (en) | 1989-03-10 |
Family
ID=16800858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22360887A Pending JPS6464834A (en) | 1987-09-07 | 1987-09-07 | Manufacture of base of disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6464834A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000003874A1 (en) * | 1998-07-14 | 2000-01-27 | Dai Nippon Printing Co., Ltd. | Decorative material |
DE102008033648A1 (en) | 2007-07-18 | 2009-03-26 | Toyota Jidosha Kabushiki Kaisha, Toyota-shi | Device and method for slip control |
-
1987
- 1987-09-07 JP JP22360887A patent/JPS6464834A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000003874A1 (en) * | 1998-07-14 | 2000-01-27 | Dai Nippon Printing Co., Ltd. | Decorative material |
US6852399B2 (en) | 1998-07-14 | 2005-02-08 | Dai Nippon Printing Co., Ltd. | Decorative material |
DE102008033648A1 (en) | 2007-07-18 | 2009-03-26 | Toyota Jidosha Kabushiki Kaisha, Toyota-shi | Device and method for slip control |
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