JPS5278391A - Semiconductor laser element - Google Patents

Semiconductor laser element

Info

Publication number
JPS5278391A
JPS5278391A JP14961975A JP14961975A JPS5278391A JP S5278391 A JPS5278391 A JP S5278391A JP 14961975 A JP14961975 A JP 14961975A JP 14961975 A JP14961975 A JP 14961975A JP S5278391 A JPS5278391 A JP S5278391A
Authority
JP
Japan
Prior art keywords
semiconductor laser
laser element
thickness
making
layer
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
JP14961975A
Other languages
Japanese (ja)
Inventor
Naoki Kayane
Hisao Nakajima
Ryoichi Ito
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14961975A priority Critical patent/JPS5278391A/en
Publication of JPS5278391A publication Critical patent/JPS5278391A/en
Pending legal-status Critical Current

Links

Landscapes

  • Semiconductor Lasers (AREA)

Abstract

PURPOSE: To obtain a semiconductor laser element consisting of three-layered semiconductor layers wherein beam spreading angle and threshold current are made small by making the thickness of each layer to the specified value.
COPYRIGHT: (C)1977,JPO&Japio
JP14961975A 1975-12-17 1975-12-17 Semiconductor laser element Pending JPS5278391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14961975A JPS5278391A (en) 1975-12-17 1975-12-17 Semiconductor laser element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14961975A JPS5278391A (en) 1975-12-17 1975-12-17 Semiconductor laser element

Publications (1)

Publication Number Publication Date
JPS5278391A true JPS5278391A (en) 1977-07-01

Family

ID=15479163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14961975A Pending JPS5278391A (en) 1975-12-17 1975-12-17 Semiconductor laser element

Country Status (1)

Country Link
JP (1) JPS5278391A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093790A (en) * 1973-12-21 1975-07-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093790A (en) * 1973-12-21 1975-07-26

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