JP2004138895A5 - - Google Patents
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- JP2004138895A5 JP2004138895A5 JP2002304640A JP2002304640A JP2004138895A5 JP 2004138895 A5 JP2004138895 A5 JP 2004138895A5 JP 2002304640 A JP2002304640 A JP 2002304640A JP 2002304640 A JP2002304640 A JP 2002304640A JP 2004138895 A5 JP2004138895 A5 JP 2004138895A5
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- JP
- Japan
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002304640A JP4300784B2 (ja) | 2002-10-18 | 2002-10-18 | 光ヘッド装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002304640A JP4300784B2 (ja) | 2002-10-18 | 2002-10-18 | 光ヘッド装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004138895A JP2004138895A (ja) | 2004-05-13 |
| JP2004138895A5 true JP2004138895A5 (ja) | 2005-10-27 |
| JP4300784B2 JP4300784B2 (ja) | 2009-07-22 |
Family
ID=32451999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002304640A Expired - Fee Related JP4300784B2 (ja) | 2002-10-18 | 2002-10-18 | 光ヘッド装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4300784B2 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006012394A (ja) * | 2004-05-27 | 2006-01-12 | Konica Minolta Opto Inc | 光学系、光ピックアップ装置、及び光ディスクドライブ装置 |
| JP4483864B2 (ja) * | 2004-05-27 | 2010-06-16 | コニカミノルタオプト株式会社 | 対物光学系、光ピックアップ装置、及び光ディスクドライブ装置 |
| KR20070036742A (ko) | 2004-07-20 | 2007-04-03 | 아사히 가라스 가부시키가이샤 | 액정 렌즈 소자 및 광헤드 장치 |
| JP2006171332A (ja) * | 2004-12-15 | 2006-06-29 | Nippon Electric Glass Co Ltd | 反射防止膜 |
| JP4596938B2 (ja) * | 2005-03-02 | 2010-12-15 | 株式会社リコー | 光ピックアップ、光情報処理装置 |
| KR101120026B1 (ko) * | 2005-03-09 | 2012-03-15 | 삼성전자주식회사 | 능동형 보정소자 및 이를 채용한 호환형 광픽업 및 광 기록및/또는 재생기기 |
| JP4497542B2 (ja) * | 2005-05-30 | 2010-07-07 | 株式会社リコー | 光ピックアップ装置、光ディスク装置及び情報処理装置 |
| KR100782813B1 (ko) * | 2005-07-15 | 2007-12-06 | 삼성전자주식회사 | 능동형 보정소자 및 이를 채용한 호환형 광픽업 및 광 기록및/또는 재생기기 |
| KR100717024B1 (ko) * | 2005-08-29 | 2007-05-10 | 삼성전자주식회사 | 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기 |
| WO2007069660A1 (ja) * | 2005-12-15 | 2007-06-21 | Asahi Glass Co., Ltd. | 波長選択回折素子及び光ヘッド装置 |
| JP5049508B2 (ja) | 2006-05-01 | 2012-10-17 | パナソニック株式会社 | 回折光学素子、それを備えた対物光学系、及びそれを備えた光ピックアップ装置 |
| JP7266275B2 (ja) * | 2018-10-04 | 2023-04-28 | 国立研究開発法人理化学研究所 | 石英製の格子構造体および回折格子の製造方法 |
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2002
- 2002-10-18 JP JP2002304640A patent/JP4300784B2/ja not_active Expired - Fee Related