JPS51131283A - Semi-conductor unit - Google Patents

Semi-conductor unit

Info

Publication number
JPS51131283A
JPS51131283A JP5469575A JP5469575A JPS51131283A JP S51131283 A JPS51131283 A JP S51131283A JP 5469575 A JP5469575 A JP 5469575A JP 5469575 A JP5469575 A JP 5469575A JP S51131283 A JPS51131283 A JP S51131283A
Authority
JP
Japan
Prior art keywords
semi
conductor unit
conductor
unit
region
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
JP5469575A
Other languages
Japanese (ja)
Inventor
Toshihisa Tsukada
Yoshito Tsunoda
Yasutsugu Takeda
Osamu Nakada
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 JP5469575A priority Critical patent/JPS51131283A/en
Publication of JPS51131283A publication Critical patent/JPS51131283A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate

Abstract

PURPOSE:To obtain an optical data processing semi-conductor unit which simplifies data reading system by providing light emitting region and light detecting region on the semi-conductor base.
JP5469575A 1975-05-12 1975-05-12 Semi-conductor unit Pending JPS51131283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5469575A JPS51131283A (en) 1975-05-12 1975-05-12 Semi-conductor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5469575A JPS51131283A (en) 1975-05-12 1975-05-12 Semi-conductor unit

Publications (1)

Publication Number Publication Date
JPS51131283A true JPS51131283A (en) 1976-11-15

Family

ID=12977923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5469575A Pending JPS51131283A (en) 1975-05-12 1975-05-12 Semi-conductor unit

Country Status (1)

Country Link
JP (1) JPS51131283A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6166238A (en) * 1984-09-07 1986-04-05 Nippon Telegr & Teleph Corp <Ntt> Optical recording and reproducing method and optical head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6166238A (en) * 1984-09-07 1986-04-05 Nippon Telegr & Teleph Corp <Ntt> Optical recording and reproducing method and optical head
JPH0576706B2 (en) * 1984-09-07 1993-10-25 Nippon Telegraph & Telephone

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