| 发明名称 |
METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT |
| 摘要 |
A method for manufacturing a diffractive optical element by pressing a glass material with a molding die in which an inverted shape relative to a shape of a diffractive surface of the diffractive optical element is formed. The method includes: preparing the molding die, a molding surface of the molding die being formed with a plurality of raised portions chamfered at tip ends thereof; and pressing, with the molding die, the glass material into the diffractive optical element in which raised portions and recessed portions are alternately arranged on the diffractive surface and valley bottoms of the recessed portions are formed to have a chamfered shape. |
| 申请公布号 |
US2014208801(A1) |
申请公布日期 |
2014.07.31 |
| 申请号 |
US201414231977 |
申请日期 |
2014.04.01 |
| 申请人 |
Panasonic Corporation |
发明人 |
TAKANO Toshiaki;SUZUKI Tetsuya;SHIMIZU Yoshiyuki;FUJII Koji |
| 分类号 |
C03B11/08 |
主分类号 |
C03B11/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for manufacturing a diffractive optical element by pressing a glass material with a molding die in which an inverted shape relative to a shape of a diffractive surface of the diffractive optical element is formed, the method comprising:
preparing the molding die, a molding surface of the molding die being formed with a plurality of raised portions chamfered at tip ends thereof; and pressing, with the molding die, the glass material into the diffractive optical element in which raised portions and recessed portions are alternately arranged on the diffractive surface and valley bottoms of the recessed portions are formed to have a chamfered shape. |
| 地址 |
Osaka JP |
