JPH01140626U - - Google Patents
Info
- Publication number
- JPH01140626U JPH01140626U JP3708888U JP3708888U JPH01140626U JP H01140626 U JPH01140626 U JP H01140626U JP 3708888 U JP3708888 U JP 3708888U JP 3708888 U JP3708888 U JP 3708888U JP H01140626 U JPH01140626 U JP H01140626U
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- photodetection
- photodetector
- reflected light
- optical axis
- 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 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
第１図は本考案の一実施例の斜面図、第２図は
光学式ピツクアツプ装置のブロツク図、第３図と
第４図は従来の光検出器の斜面図、第５図はその
正面図である。
３…光検出器、１０…光検出チツプ、２６…筐
体、４１…支持ブロツク、４２，４３…基準面、
５１…光検出ブロツク、５２，５３…基準面、６
４…ボンデイングワイヤ。
Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a block diagram of an optical pickup device, Figs. 3 and 4 are perspective views of a conventional photodetector, and Fig. 5 is its front view. It is. 3... Photodetector, 10... Photodetection chip, 26... Housing, 41... Support block, 42, 43... Reference plane,
51... Photo detection block, 52, 53... Reference plane, 6
4...Bonding wire.
Claims (1)
光検出器の出力を導出するパターンが形成されて
いる光検出チツプが取付けられ、反射光の光軸と
平行な面が形成され、押出成型セラミツクで作ら
れた光検出ブロツクと、光検出ブロツクの光軸と
平行な面を支持する支持ブロツクと、光検出チツ
プのパターンと支持ブロツクに設けられた基板の
パターンとを接続するボンデイングワイヤとを備
えたことを特徴とする光学式ピツクアツプ装置。 A photodetector for detecting reflected light from a recording medium and a photodetection chip on which a pattern for deriving the output of the photodetector is formed are attached, and a surface parallel to the optical axis of the reflected light is formed. A support block that supports a surface parallel to the optical axis of the photodetection block, and a bonding wire that connects the pattern of the photodetection chip and the pattern of the substrate provided on the support block. An optical pick-up device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3708888U JPH01140626U (en) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3708888U JPH01140626U (en) | 1988-03-23 | 1988-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01140626U true JPH01140626U (en) | 1989-09-26 |
Family
ID=31263668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3708888U Pending JPH01140626U (en) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01140626U (en) |
-
1988
- 1988-03-23 JP JP3708888U patent/JPH01140626U/ja active Pending