JPH0749624Y2 - 光学用可変スリット装置 - Google Patents
光学用可変スリット装置Info
- Publication number
- JPH0749624Y2 JPH0749624Y2 JP1987131138U JP13113887U JPH0749624Y2 JP H0749624 Y2 JPH0749624 Y2 JP H0749624Y2 JP 1987131138 U JP1987131138 U JP 1987131138U JP 13113887 U JP13113887 U JP 13113887U JP H0749624 Y2 JPH0749624 Y2 JP H0749624Y2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- master
- slit
- piezoelectric elements
- attached
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000011295 pitch Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987131138U JPH0749624Y2 (ja) | 1987-08-28 | 1987-08-28 | 光学用可変スリット装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987131138U JPH0749624Y2 (ja) | 1987-08-28 | 1987-08-28 | 光学用可変スリット装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437919U JPS6437919U (enExample) | 1989-03-07 |
| JPH0749624Y2 true JPH0749624Y2 (ja) | 1995-11-13 |
Family
ID=31386923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987131138U Expired - Lifetime JPH0749624Y2 (ja) | 1987-08-28 | 1987-08-28 | 光学用可変スリット装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749624Y2 (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60115028A (ja) * | 1983-11-25 | 1985-06-21 | Toshiba Corp | 光学ヘッド |
-
1987
- 1987-08-28 JP JP1987131138U patent/JPH0749624Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6437919U (enExample) | 1989-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7600402L (sv) | Forfarande for framstellning av en optiskt reproducerbar registrering av signaler | |
| US6440333B2 (en) | Optical recording medium, and method of manufacturing same | |
| NL1004270C2 (nl) | Optisch registratie- en reproductieapparaat. | |
| JPH0749624Y2 (ja) | 光学用可変スリット装置 | |
| JP2004103058A (ja) | 球面収差補正装置 | |
| US4378491A (en) | Optical apparatus for sensing information from a phonograph record for controlling spacing and tracking of the pick-up relative to the record | |
| US7329015B2 (en) | Variable shape mirror and optical pickup device having the same | |
| US3861786A (en) | System for mounting an optical lens in a holder for limited movement along a fixed axis | |
| JP2004205776A (ja) | 光学ユニット | |
| CN101162593A (zh) | 可变形镜和具有该可变形镜的光学拾取装置 | |
| EP0823705A4 (en) | Optical pickup and optical element used therefor | |
| US20060018359A1 (en) | Structure for optical axis adjustment of laser diode and optical pickup apparatus | |
| US20070091482A1 (en) | Variable-shape mirror and optical pickup apparatus therewith | |
| JPH1166529A (ja) | 光サーボ式磁気ヘッド及びその製造方法 | |
| JP4116305B2 (ja) | 波長板、波長板ユニット、光ピックアップ装置及び光ディスク装置 | |
| JPS58211340A (ja) | 光方式情報読取装置 | |
| JP2005010307A (ja) | 光学素子 | |
| JP2009053529A (ja) | 光学部品取付面の形成方法及び光ピックアップの製造方法 | |
| JP3332155B2 (ja) | 対物レンズ及び光ピックアップ装置 | |
| JPH0462133B2 (enExample) | ||
| JPS55108944A (en) | Information recording medium | |
| JP3891560B2 (ja) | 光ピックアップ装置 | |
| JP2002341260A (ja) | 干渉フィルタ | |
| CN100520922C (zh) | 光学信息记录介质 | |
| JPH07151908A (ja) | 焦点距離可変レンズ |