JP4389643B2 - 回折格子 - Google Patents
回折格子 Download PDFInfo
- Publication number
- JP4389643B2 JP4389643B2 JP2004123248A JP2004123248A JP4389643B2 JP 4389643 B2 JP4389643 B2 JP 4389643B2 JP 2004123248 A JP2004123248 A JP 2004123248A JP 2004123248 A JP2004123248 A JP 2004123248A JP 4389643 B2 JP4389643 B2 JP 4389643B2
- Authority
- JP
- Japan
- Prior art keywords
- grating
- groove
- diffraction
- diffraction grating
- holographic
- 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 - Lifetime
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- Diffracting Gratings Or Hologram Optical Elements (AREA)
Description
2 :ホトレジスト層
21:回折格子パターン
Claims (1)
- 底部が平坦で、かつ、他の部分が正弦波形状である断面形状を有する溝が、基板上に直接刻線された回折格子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004123248A JP4389643B2 (ja) | 2004-04-19 | 2004-04-19 | 回折格子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004123248A JP4389643B2 (ja) | 2004-04-19 | 2004-04-19 | 回折格子 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000224869A Division JP3675314B2 (ja) | 2000-07-26 | 2000-07-26 | 回折格子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004227009A JP2004227009A (ja) | 2004-08-12 |
JP4389643B2 true JP4389643B2 (ja) | 2009-12-24 |
Family
ID=32906351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004123248A Expired - Lifetime JP4389643B2 (ja) | 2004-04-19 | 2004-04-19 | 回折格子 |
Country Status (1)
Country | Link |
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JP (1) | JP4389643B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006216106A (ja) | 2005-02-02 | 2006-08-17 | Tdk Corp | 回折格子、受光素子及びそれらを用いた光ヘッド並びに光記録再生装置 |
-
2004
- 2004-04-19 JP JP2004123248A patent/JP4389643B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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JP2004227009A (ja) | 2004-08-12 |
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