JP4420990B2 - 光ヘッド装置 - Google Patents
光ヘッド装置 Download PDFInfo
- Publication number
- JP4420990B2 JP4420990B2 JP18500798A JP18500798A JP4420990B2 JP 4420990 B2 JP4420990 B2 JP 4420990B2 JP 18500798 A JP18500798 A JP 18500798A JP 18500798 A JP18500798 A JP 18500798A JP 4420990 B2 JP4420990 B2 JP 4420990B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- anisotropic
- grating
- optical
- head device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18500798A JP4420990B2 (ja) | 1998-06-30 | 1998-06-30 | 光ヘッド装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18500798A JP4420990B2 (ja) | 1998-06-30 | 1998-06-30 | 光ヘッド装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000021000A JP2000021000A (ja) | 2000-01-21 |
| JP2000021000A5 JP2000021000A5 (https=) | 2005-05-26 |
| JP4420990B2 true JP4420990B2 (ja) | 2010-02-24 |
Family
ID=16163153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18500798A Expired - Fee Related JP4420990B2 (ja) | 1998-06-30 | 1998-06-30 | 光ヘッド装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4420990B2 (https=) |
-
1998
- 1998-06-30 JP JP18500798A patent/JP4420990B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000021000A (ja) | 2000-01-21 |
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