| 发明名称 |
LASER BEAM IRRADIATION SYSTEM |
| 摘要 |
PURPOSE:To improve the visual field on a disk surface and facilitate the adjustment of a diffraction grating, by dividing laser beams from a source into reading laser beams and irraidating laser beams both of which are put on the disk surface. |
| 申请公布号 |
JPS52131740(A) |
申请公布日期 |
1977.11.04 |
| 申请号 |
JP19760048873 |
申请日期 |
1976.04.28 |
| 申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
KAWABE SADANOBU;HIRASAWA KAZUO;OKADA KAZUO |
| 分类号 |
H01S3/101;B23K26/06;G02B27/00;G11B7/08;G11B7/09;G11B7/135 |
主分类号 |
H01S3/101 |
| 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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