JPS6261026U - - Google Patents
Info
- Publication number
- JPS6261026U JPS6261026U JP15138585U JP15138585U JPS6261026U JP S6261026 U JPS6261026 U JP S6261026U JP 15138585 U JP15138585 U JP 15138585U JP 15138585 U JP15138585 U JP 15138585U JP S6261026 U JPS6261026 U JP S6261026U
- Authority
- JP
- Japan
- Prior art keywords
- holding frame
- hole
- semiconductor laser
- screw
- fixed
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Lens Barrels (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図ないし第４図は本考案の光ヘツドの第１
実施例に係り、第１図は断面図、第２図は第１図
のＡ―Ａ線断面図、第３図及び第４図はレンズ枠
の締め付け固定状態を説明する説明図、第５図は
第２実施例に係る断面図、第６図は第３実施例に
係る断面図、第７図ないし第１０図は光ヘツドの
従来例に係り、第７図は断面図、第８図は第７図
のＢ―Ｂ線断面図、第９図及び第１０図は説明図
である。
１１……半導体レーザ保持枠、１１ａ……貫通
孔、１２……半導体レーザ、１４……コリメータ
レンズ、１５……レンズ保持枠、１６……ねじ、
１７……切欠溝、１８……稜線、１９……稜面、
２０……切欠溝、２１……稜線。
Figures 1 to 4 show the first part of the optical head of the present invention.
Regarding the embodiment, FIG. 1 is a sectional view, FIG. 2 is a sectional view taken along the line A-A in FIG. 6 is a sectional view of the second embodiment, FIG. 6 is a sectional view of the third embodiment, FIGS. 7 to 10 are of conventional optical heads, FIG. 7 is a sectional view, and FIG. 8 is a sectional view of the optical head. The cross-sectional view taken along line BB in FIG. 7, and FIGS. 9 and 10 are explanatory views. 11... Semiconductor laser holding frame, 11a... Through hole, 12... Semiconductor laser, 14... Collimator lens, 15... Lens holding frame, 16... Screw,
17...notch groove, 18...ridge line, 19...ridge surface,
20... Notch groove, 21... Ridge line.
Claims (1)
導体レーザを固定し、この貫通孔の先端側にコリ
メータレンズを固定した円筒状レンズ保持枠を光
軸方向にスライド可能に嵌装すると共に、前記半
導体レーザ保持枠の外周から貫通孔にかけて該貫
通孔と直交するよう形成したねじ孔にねじを螺合
し、このねじにて前記レンズ保持枠を締め付け前
記貫通孔の反ねじ側に圧接固定するものにおいて
、前記半導体レーザ保持枠の貫通孔又はレンズ保
持枠の外周の少なくとも一方に切欠きを形成して
２線以上にてレンズ保持枠を支持するよう構成し
たことを特徴とする光ヘツド。 A semiconductor laser is fixed to the base of a through hole of a cylindrical semiconductor laser holding frame, and a cylindrical lens holding frame with a collimator lens fixed to the tip side of the through hole is fitted so as to be slidable in the optical axis direction. A screw is screwed into a screw hole formed from the outer periphery of the laser holding frame to the through hole so as to be perpendicular to the through hole, and the lens holding frame is tightened with the screw and fixed by pressure on the side opposite to the thread of the through hole. An optical head characterized in that a notch is formed in at least one of the through hole of the semiconductor laser holding frame or the outer periphery of the lens holding frame so that the lens holding frame is supported by two or more lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15138585U JPH042417Y2 (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15138585U JPH042417Y2 (en) | 1985-10-02 | 1985-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6261026U true JPS6261026U (en) | 1987-04-15 |
| JPH042417Y2 JPH042417Y2 (en) | 1992-01-28 |
Family
ID=31068406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15138585U Expired JPH042417Y2 (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042417Y2 (en) |
-
1985
- 1985-10-02 JP JP15138585U patent/JPH042417Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH042417Y2 (en) | 1992-01-28 |
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