JPS5756807A - Thin film waveguide type head - Google Patents

Thin film waveguide type head

Info

Publication number
JPS5756807A
JPS5756807A JP55133203A JP13320380A JPS5756807A JP S5756807 A JPS5756807 A JP S5756807A JP 55133203 A JP55133203 A JP 55133203A JP 13320380 A JP13320380 A JP 13320380A JP S5756807 A JPS5756807 A JP S5756807A
Authority
JP
Japan
Prior art keywords
thin film
recording medium
cover member
base plate
film waveguide
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
Application number
JP55133203A
Other languages
English (en)
Japanese (ja)
Other versions
JPH035566B2 (OSRAM
Inventor
Hideki Hosoya
Kazuya Matsumoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP55133203A priority Critical patent/JPS5756807A/ja
Publication of JPS5756807A publication Critical patent/JPS5756807A/ja
Publication of JPH035566B2 publication Critical patent/JPH035566B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12004Combinations of two or more optical elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • G11B7/1245Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides the waveguides including means for electro-optical or acousto-optical deflection

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Integrated Circuits (AREA)
  • Facsimile Heads (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP55133203A 1980-09-24 1980-09-24 Thin film waveguide type head Granted JPS5756807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55133203A JPS5756807A (en) 1980-09-24 1980-09-24 Thin film waveguide type head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55133203A JPS5756807A (en) 1980-09-24 1980-09-24 Thin film waveguide type head

Publications (2)

Publication Number Publication Date
JPS5756807A true JPS5756807A (en) 1982-04-05
JPH035566B2 JPH035566B2 (OSRAM) 1991-01-25

Family

ID=15099134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55133203A Granted JPS5756807A (en) 1980-09-24 1980-09-24 Thin film waveguide type head

Country Status (1)

Country Link
JP (1) JPS5756807A (OSRAM)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171431A (ja) * 1984-09-14 1986-04-12 Omron Tateisi Electronics Co 光情報処理装置
JPS6171432A (ja) * 1984-09-14 1986-04-12 Omron Tateisi Electronics Co 光情報処理装置
JPS6277761A (ja) * 1985-09-30 1987-04-09 Fuji Photo Film Co Ltd 光走査読取装置
JPS6331033A (ja) * 1986-07-25 1988-02-09 Asahi Glass Co Ltd 光ピツクアツプ
FR2628565A1 (fr) * 1988-03-14 1989-09-15 Ici Plc Systeme de memorisation a lecture/ecriture optique et appareil pour lire et/ou ecrire sur un support souple des donnees pouvant etre detectees optiquement
JPH029187A (ja) * 1988-03-03 1990-01-12 American Teleph & Telegr Co <Att> オプトエレクトロニック集積回路サブアセンブリ
JPH02103744A (ja) * 1988-10-12 1990-04-16 Sanyo Electric Co Ltd 光学ヘッド装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017521A (OSRAM) * 1973-06-15 1975-02-24
JPS50156311A (OSRAM) * 1974-06-04 1975-12-17
JPS5268307A (en) * 1975-12-05 1977-06-07 Olympus Optical Co Ltd Lihgt scanner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017521A (OSRAM) * 1973-06-15 1975-02-24
JPS50156311A (OSRAM) * 1974-06-04 1975-12-17
JPS5268307A (en) * 1975-12-05 1977-06-07 Olympus Optical Co Ltd Lihgt scanner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171431A (ja) * 1984-09-14 1986-04-12 Omron Tateisi Electronics Co 光情報処理装置
JPS6171432A (ja) * 1984-09-14 1986-04-12 Omron Tateisi Electronics Co 光情報処理装置
JPS6277761A (ja) * 1985-09-30 1987-04-09 Fuji Photo Film Co Ltd 光走査読取装置
JPS6331033A (ja) * 1986-07-25 1988-02-09 Asahi Glass Co Ltd 光ピツクアツプ
JPH029187A (ja) * 1988-03-03 1990-01-12 American Teleph & Telegr Co <Att> オプトエレクトロニック集積回路サブアセンブリ
FR2628565A1 (fr) * 1988-03-14 1989-09-15 Ici Plc Systeme de memorisation a lecture/ecriture optique et appareil pour lire et/ou ecrire sur un support souple des donnees pouvant etre detectees optiquement
JPH02103744A (ja) * 1988-10-12 1990-04-16 Sanyo Electric Co Ltd 光学ヘッド装置

Also Published As

Publication number Publication date
JPH035566B2 (OSRAM) 1991-01-25

Similar Documents

Publication Publication Date Title
GB2072889B (en) Piezoelectric transducer drive
AU515067B2 (en) Tranducer having piezoelectric film arranged with alternating curvatures
AU5546680A (en) Ultrasonic transducer
IT8026486A0 (it) Trasduttore ad onda acustica di superficie per registrazione e riproduzione.
DE3578667D1 (de) Ultraschallwandler zur anwendung in einer korrosiven/abschleifenden umgebung.
JPS5756807A (en) Thin film waveguide type head
NZ192223A (en) Compact disk file disk assembly with disks and transducers unitarily separable from disk drive assembly
FI810453A7 (fi) Muuttajalevy pietsosähköisiä muuttajia varten.
AU539636B2 (en) Ultrasonic transducer
AU7659381A (en) Wide aperture objective lens
ATE73398T1 (de) Waermeempfindliches aufzeichnungsmaterial und verfahren.
EP0166782A4 (en) Apparatus for measuring ultrasonic characteristic values of a medium.
EP0100284A3 (en) Piezoelectric bearing element
JPS57207022A (en) Bonding method of transparent acrylic resin plate
EP0930702A3 (en) Orientational material and surface acoustic wave device
DE3482147D1 (de) Optisches duennfilm-aufzeichnungsmedium mit hohem kontrast.
GB2042200B (en) Laser pyrographic reflective recording medium
FR2386883A1 (fr) Support d&#39;enregistrement photosensible
JPS5690439A (en) Material for reproducing optical signal records
JPS5730124A (en) Protective film for magnetic recording medium
AR223549A1 (es) Transductor piezoelectrico
JPS57111827A (en) Thin film magnetic head
FR2563626B1 (fr) Perfectionnements aux transducteurs a lame vibrante
SU1320845A1 (ru) Устройство дл магнитной записи
ATE22025T1 (de) Scheibenfoermiges werkzeug.