JPS56148749A - Optical thin-film video disk - Google Patents

Optical thin-film video disk

Info

Publication number
JPS56148749A
JPS56148749A JP5091680A JP5091680A JPS56148749A JP S56148749 A JPS56148749 A JP S56148749A JP 5091680 A JP5091680 A JP 5091680A JP 5091680 A JP5091680 A JP 5091680A JP S56148749 A JPS56148749 A JP S56148749A
Authority
JP
Japan
Prior art keywords
thickness
resin layer
layer
video disk
substrate
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
JP5091680A
Other languages
Japanese (ja)
Inventor
Takenao Makai
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP5091680A priority Critical patent/JPS56148749A/en
Publication of JPS56148749A publication Critical patent/JPS56148749A/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To obtain excellent performance by providing a flexible substrate and a resin layer as a signal recording surface on the base, and by further providing a reflective layer and protective layer on the resin layer. CONSTITUTION:On substrate 3 of video disk 1 made of a flexible sheetlike member, resin layer 4, reflective layer 5 and protective layer 6 are provided. The surface of a stamper is transferred to resin layer 4. Substrate 3 has 0.05-0.5mm. thickness and resin layer 4 has 0.02-0.03mm. thickness; and reflective film 5 made of Al, etc. has a micron order thickness, and protective layer 6 has 0.01-0.03mm. thickness. Consequently, the total thickness of disk 1 is 0.1-0.5mm. and extremely small, providing flexibility. Therefore, high-precision signal reproduction by a laser beam is possible.
JP5091680A 1980-04-17 1980-04-17 Optical thin-film video disk Pending JPS56148749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5091680A JPS56148749A (en) 1980-04-17 1980-04-17 Optical thin-film video disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5091680A JPS56148749A (en) 1980-04-17 1980-04-17 Optical thin-film video disk

Publications (1)

Publication Number Publication Date
JPS56148749A true JPS56148749A (en) 1981-11-18

Family

ID=12872107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5091680A Pending JPS56148749A (en) 1980-04-17 1980-04-17 Optical thin-film video disk

Country Status (1)

Country Link
JP (1) JPS56148749A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045955A (en) * 1983-06-02 1985-03-12 オプチカル・ストラヘ・インテルナチオナル　ホランド Optical recording element
WO1988003311A1 (en) * 1986-10-30 1988-05-05 Dai Nippon Insatsu Kabushiki Kaisha Flexible optical information recording medium and method of producing the same
JPH0329131A (en) * 1989-06-27 1991-02-07 Tosoh Corp Optical disk and production thereof
USRE37185E1 (en) 1990-04-20 2001-05-22 Matsushita Electric Industrial Co., Ltd. Optical head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116903A (en) * 1974-06-21 1976-02-10 Thomson Brandt
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116903A (en) * 1974-06-21 1976-02-10 Thomson Brandt
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045955A (en) * 1983-06-02 1985-03-12 オプチカル・ストラヘ・インテルナチオナル　ホランド Optical recording element
WO1988003311A1 (en) * 1986-10-30 1988-05-05 Dai Nippon Insatsu Kabushiki Kaisha Flexible optical information recording medium and method of producing the same
AU602027B2 (en) * 1986-10-30 1990-09-27 Dai Nippon Insatsu Kabushiki Kaisha Flexible optical information recording medium and method of producing the same
JPH0329131A (en) * 1989-06-27 1991-02-07 Tosoh Corp Optical disk and production thereof
USRE37185E1 (en) 1990-04-20 2001-05-22 Matsushita Electric Industrial Co., Ltd. Optical head

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