JPH079211Y2 - 光学式ピックアップ装置 - Google Patents
光学式ピックアップ装置Info
- Publication number
- JPH079211Y2 JPH079211Y2 JP3708688U JP3708688U JPH079211Y2 JP H079211 Y2 JPH079211 Y2 JP H079211Y2 JP 3708688 U JP3708688 U JP 3708688U JP 3708688 U JP3708688 U JP 3708688U JP H079211 Y2 JPH079211 Y2 JP H079211Y2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- pattern
- metal substrate
- block
- pickup device
- 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 21
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 7
- 239000011888 foil Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3708688U JPH079211Y2 (ja) | 1988-03-23 | 1988-03-23 | 光学式ピックアップ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3708688U JPH079211Y2 (ja) | 1988-03-23 | 1988-03-23 | 光学式ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01140624U JPH01140624U (en]) | 1989-09-26 |
| JPH079211Y2 true JPH079211Y2 (ja) | 1995-03-06 |
Family
ID=31263666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3708688U Expired - Lifetime JPH079211Y2 (ja) | 1988-03-23 | 1988-03-23 | 光学式ピックアップ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079211Y2 (en]) |
-
1988
- 1988-03-23 JP JP3708688U patent/JPH079211Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01140624U (en]) | 1989-09-26 |
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