JPS5933268U - semiconductor laser - Google Patents

semiconductor laser

Info

Publication number
JPS5933268U
JPS5933268U JP12955182U JP12955182U JPS5933268U JP S5933268 U JPS5933268 U JP S5933268U JP 12955182 U JP12955182 U JP 12955182U JP 12955182 U JP12955182 U JP 12955182U JP S5933268 U JPS5933268 U JP S5933268U
Authority
JP
Japan
Prior art keywords
semiconductor laser
light
package
aperture
housed
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
Application number
JP12955182U
Other languages
Japanese (ja)
Inventor
石井　泰弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP12955182U priority Critical patent/JPS5933268U/en
Publication of JPS5933268U publication Critical patent/JPS5933268U/en
Pending legal-status Critical Current

Links

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  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の半導体レーザを示す断面図、第２図は第
１図レーザを用いたピックアップの光学系を示す原理図
、第３図は本考案の実施例を示す断面図、第４図は第３
図半導体レーザを用いたピックアップの光学系を示す原
理図である。 ５・・・半導体レーザチップ、８・・・パッケージ、９
・・・開口、１６・・・（信号検出用）フォトセンサ。Fig. 1 is a cross-sectional view showing a conventional semiconductor laser, Fig. 2 is a principle diagram showing the optical system of a pickup using the laser shown in Fig. 1, Fig. 3 is a cross-sectional view showing an embodiment of the present invention, and Fig. 4. is the third
FIG. 2 is a principle diagram showing an optical system of a pickup using a semiconductor laser. 5... Semiconductor laser chip, 8... Package, 9
...Aperture, 16...Photo sensor (for signal detection).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 開口を有し遮光性材料からなるパッケージ、該パッケー
ジ内に収納され上記開口よりレーザ光を放射するように
配された半導体レーザチップ、上記パッケージ内に収納
され上記半導体レーザチップから放射されるレーザ光が
直接入射せずかつ上記開口からの入射光が検出できる位
置に配されたフォトセンサからなる半導体レーザ。A package having an opening and made of a light-shielding material, a semiconductor laser chip housed in the package and arranged to emit laser light from the aperture, and a laser beam housed in the package and emitted from the semiconductor laser chip. A semiconductor laser comprising a photosensor arranged at a position where the light does not directly enter the aperture and can detect the light incident from the aperture.
JP12955182U 1982-08-26 1982-08-26 semiconductor laser Pending JPS5933268U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12955182U JPS5933268U (en) 1982-08-26 1982-08-26 semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12955182U JPS5933268U (en) 1982-08-26 1982-08-26 semiconductor laser

Publications (1)

Publication Number Publication Date
JPS5933268U true JPS5933268U (en) 1984-03-01

Family

ID=30293507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12955182U Pending JPS5933268U (en) 1982-08-26 1982-08-26 semiconductor laser

Country Status (1)

Country Link
JP (1) JPS5933268U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63178372U (en) * 1987-05-12 1988-11-18

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5145990A (en) * 1974-10-16 1976-04-19 Omron Tateisi Electronics Co KODENHANDOTAISOCHI
JPS5145989A (en) * 1974-10-16 1976-04-19 Omron Tateisi Electronics Co KODENHANDOTAISOCHI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5145990A (en) * 1974-10-16 1976-04-19 Omron Tateisi Electronics Co KODENHANDOTAISOCHI
JPS5145989A (en) * 1974-10-16 1976-04-19 Omron Tateisi Electronics Co KODENHANDOTAISOCHI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63178372U (en) * 1987-05-12 1988-11-18

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