发明名称 |
Stamper holder, mold component, and mold assembly |
摘要 |
A stamper holder capable molding of a substrate having a high-quality. The stamper holder is mounted in a mold of a mold assembly that molds a substrate for an information recording medium, together with a stamper having a molding surface for forming micro asperities in a surface of the substrate, in a state where the stamper is fitted in an insertion hole formed through a central portion of the stamper. The stamper holder is formed such that an outer periphery thereof is increased in diameter on a side toward the molding surface compared with a reverse side thereof to form a sloped surface, and part or all of an outer peripheral surface of the stamper holder opposed to an inner peripheral surface of the stamper defining the insertion hole has a shape complementary to the inner peripheral surface of the stamper.
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申请公布号 |
US2004191352(A1) |
申请公布日期 |
2004.09.30 |
申请号 |
US20040806179 |
申请日期 |
2004.03.23 |
申请人 |
TDK CORPORATION |
发明人 |
KOYAMA ATSUSHI;DOMON MIKIO |
分类号 |
B29C33/30;B29C43/02;B29C43/36;B29C45/26;(IPC1-7):B29C43/02 |
主分类号 |
B29C33/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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