JPS5683851A - Optical recording material - Google Patents

Optical recording material

Info

Publication number
JPS5683851A
JPS5683851A JP16035979A JP16035979A JPS5683851A JP S5683851 A JPS5683851 A JP S5683851A JP 16035979 A JP16035979 A JP 16035979A JP 16035979 A JP16035979 A JP 16035979A JP S5683851 A JPS5683851 A JP S5683851A
Authority
JP
Japan
Prior art keywords
thin film
metallic thin
substrates
characteristic
inert gas
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
JP16035979A
Other languages
Japanese (ja)
Other versions
JPS6117055B2 (en
Inventor
Masaaki Morita
Noburo Yasuda
Yoshinori Fujimori
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP16035979A priority Critical patent/JPS5683851A/en
Publication of JPS5683851A publication Critical patent/JPS5683851A/en
Publication of JPS6117055B2 publication Critical patent/JPS6117055B2/ja
Granted 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

PURPOSE:To make it possible to hold the characteristic of the metallic thin film for a long time, by providing the metallic thin film for recording on the inside wall of the light permeating substrate where the inside is hollowed and inert gas is filled up and the moisture absorbent is incorporated. CONSTITUTION:The metallic thin film as recording layer 2 is vapor-deposited to one sides of two substrates 1 consisting of transparent materials, and these substrates 1 are opposite to each other through spacers 4 and 4'. Further, wall plate 11 having air hole 10 is provided in the hollow part, and ring-form moisture absorbent holding jig 13 incorporating moisture absorpting material 12 is installed in this part. Inert gas such as Ar and N2 is injected after the hollow part is made vacuous by the exhaust pipe, and the exhaust pipe is sealed. Therefore, the characteristic of the metallic thin film which is the recording medium can be held for a long time.
JP16035979A 1979-12-12 1979-12-12 Optical recording material Granted JPS5683851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16035979A JPS5683851A (en) 1979-12-12 1979-12-12 Optical recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16035979A JPS5683851A (en) 1979-12-12 1979-12-12 Optical recording material

Publications (2)

Publication Number Publication Date
JPS5683851A true JPS5683851A (en) 1981-07-08
JPS6117055B2 JPS6117055B2 (en) 1986-05-06

Family

ID=15713262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16035979A Granted JPS5683851A (en) 1979-12-12 1979-12-12 Optical recording material

Country Status (1)

Country Link
JP (1) JPS5683851A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120243A (en) * 1981-01-14 1982-07-27 Matsushita Electric Ind Co Ltd Optical information carrier disk and its manufacture
JPS57150150A (en) * 1981-03-11 1982-09-16 Hitachi Ltd Optical disc
JPS58142893A (en) * 1982-02-19 1983-08-25 Toshiba Corp Optical information recording medium
FR2524187A1 (en) * 1982-03-23 1983-09-30 Thomson Csf HUMIDITY PROTECTED OPTICAL DISC
FR2528216A1 (en) * 1982-06-08 1983-12-09 Thomson Csf OPTICAL DISC PROTECTED WITH FREE LAYER HOLDER
JPS59124891A (en) * 1982-12-31 1984-07-19 Tdk Corp Optical recording medium
JPS60146933U (en) * 1984-03-06 1985-09-30 パイオニア株式会社 information recording medium
US4672395A (en) * 1984-10-02 1987-06-09 Konishiroku Photo Industry Co., Ltd. Optical fungicide-treated information recording and reproducing medium
JPS62158634U (en) * 1986-02-17 1987-10-08

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120243A (en) * 1981-01-14 1982-07-27 Matsushita Electric Ind Co Ltd Optical information carrier disk and its manufacture
JPH0243257B2 (en) * 1981-01-14 1990-09-27
JPS57150150A (en) * 1981-03-11 1982-09-16 Hitachi Ltd Optical disc
JPS58142893A (en) * 1982-02-19 1983-08-25 Toshiba Corp Optical information recording medium
US4517574A (en) * 1982-03-23 1985-05-14 Thomson-Csf Optical disc humidity protected
FR2524187A1 (en) * 1982-03-23 1983-09-30 Thomson Csf HUMIDITY PROTECTED OPTICAL DISC
FR2528216A1 (en) * 1982-06-08 1983-12-09 Thomson Csf OPTICAL DISC PROTECTED WITH FREE LAYER HOLDER
US4536868A (en) * 1982-06-08 1985-08-20 Thomson-Csf Protected optical disk with a free layer holder
JPS59124891A (en) * 1982-12-31 1984-07-19 Tdk Corp Optical recording medium
JPH0521753B2 (en) * 1982-12-31 1993-03-25 Tdk Electronics Co Ltd
JPS60146933U (en) * 1984-03-06 1985-09-30 パイオニア株式会社 information recording medium
US4672395A (en) * 1984-10-02 1987-06-09 Konishiroku Photo Industry Co., Ltd. Optical fungicide-treated information recording and reproducing medium
JPS62158634U (en) * 1986-02-17 1987-10-08

Also Published As

Publication number Publication date
JPS6117055B2 (en) 1986-05-06

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