发明名称 |
Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen |
摘要 |
A method of producing a mold for use in duplicating a light diffusion sheet is provided. The method includes a step of conducting sandblasting for blasting abrasive material from a blast gun to a surface of a mold base material to form unevenness in the surface of the mold base material, wherein the abrasive material is blasted to the surface of the mold base material at a blast angle of less than 90°.
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申请公布号 |
US7359118(B2) |
申请公布日期 |
2008.04.15 |
申请号 |
US20050049013 |
申请日期 |
2005.02.02 |
申请人 |
SONY CORPORATION |
发明人 |
KISO HIROYUKI;KUDO TAKAO;ODAGIRI HIROKAZU;NAGAHAMA TSUTOMU |
分类号 |
G02B5/02;G03B21/56;G02B13/20;G03B21/60 |
主分类号 |
G02B5/02 |
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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