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 sand blasting 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°.
|
申请公布号 |
US7710644(B2) |
申请公布日期 |
2010.05.04 |
申请号 |
US20080038114 |
申请日期 |
2008.02.27 |
申请人 |
SONY CORPORATION |
发明人 |
KISO HIROYUKI;KUDO TAKAO;ODAGIRI HIROKAZU;NAGAHAMA TSUTOMU |
分类号 |
G02B5/02;G03B21/56;B05D1/36;B22C3/00;B24C3/00;B24C5/04;G02B7/00;G03B21/60 |
主分类号 |
G02B5/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|