发明名称 |
Exposure apparatus |
摘要 |
An exposure apparatus to expose a photo-sensitive layer formed on a substrate of a recording media is disclosed which comprises an exposure light source; a first means of focusing a light from the light source; an acousto-optic modulator disposed off the focal plane of the first focusing means to modulate the light focused by the first focusing means according to a signal to be recorded; and a second means of focusing the light modulated by the acousto-optic modulator onto the photo-sensitive layer formed on the substrate of the recording media.
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申请公布号 |
US6118574(A) |
申请公布日期 |
2000.09.12 |
申请号 |
US19980059259 |
申请日期 |
1998.04.14 |
申请人 |
SONY CORPORATION |
发明人 |
IMANISHI, SHINGO;MASUHARA, SHIN;YAMATSU, HISAYUKI;KASHIWAGI, TOSHIYUKI |
分类号 |
G11B7/135;G02F1/33;G03F7/20;G11B7/26;(IPC1-7):G02F1/33;G11B7/00;G11B7/003 |
主分类号 |
G11B7/135 |
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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