JP2001202637A - 光ピックアップ装置 - Google Patents
光ピックアップ装置Info
- Publication number
- JP2001202637A JP2001202637A JP2000009101A JP2000009101A JP2001202637A JP 2001202637 A JP2001202637 A JP 2001202637A JP 2000009101 A JP2000009101 A JP 2000009101A JP 2000009101 A JP2000009101 A JP 2000009101A JP 2001202637 A JP2001202637 A JP 2001202637A
- Authority
- JP
- Japan
- Prior art keywords
- light
- recording medium
- error signal
- optical
- focus error
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 58
- 239000000758 substrate Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 19
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 39
- 239000004065 semiconductor Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000010287 polarization Effects 0.000 description 6
- 101000866657 Homo sapiens Hsp70-binding protein 1 Proteins 0.000 description 4
- 102100031716 Hsp70-binding protein 1 Human genes 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 101000604592 Homo sapiens Keratin-like protein KRT222 Proteins 0.000 description 1
- 102100038184 Keratin-like protein KRT222 Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000009101A JP2001202637A (ja) | 2000-01-18 | 2000-01-18 | 光ピックアップ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000009101A JP2001202637A (ja) | 2000-01-18 | 2000-01-18 | 光ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001202637A true JP2001202637A (ja) | 2001-07-27 |
| JP2001202637A5 JP2001202637A5 (enExample) | 2007-01-25 |
Family
ID=18537292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000009101A Pending JP2001202637A (ja) | 2000-01-18 | 2000-01-18 | 光ピックアップ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001202637A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003085768A (ja) * | 2001-09-13 | 2003-03-20 | Optware:Kk | 光情報記録装置および方法 |
| CN100336122C (zh) * | 2004-01-14 | 2007-09-05 | 三星电子株式会社 | 光学拾取器 |
| US8644120B2 (en) | 2011-05-26 | 2014-02-04 | Hitachi Media Electronics Co., Ltd. | Optical information processing device and tracking control method thereof for use with grooveless multilayer optical disc |
-
2000
- 2000-01-18 JP JP2000009101A patent/JP2001202637A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003085768A (ja) * | 2001-09-13 | 2003-03-20 | Optware:Kk | 光情報記録装置および方法 |
| CN100336122C (zh) * | 2004-01-14 | 2007-09-05 | 三星电子株式会社 | 光学拾取器 |
| US8644120B2 (en) | 2011-05-26 | 2014-02-04 | Hitachi Media Electronics Co., Ltd. | Optical information processing device and tracking control method thereof for use with grooveless multilayer optical disc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061205 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061205 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070529 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20071023 |