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JPS52132850A - Light recording apparatus - Google Patents

Light recording apparatus

Info

Publication number
JPS52132850A
JPS52132850A JP4856976A JP4856976A JPS52132850A JP S52132850 A JPS52132850 A JP S52132850A JP 4856976 A JP4856976 A JP 4856976A JP 4856976 A JP4856976 A JP 4856976A JP S52132850 A JPS52132850 A JP S52132850A
Authority
JP
Japan
Prior art keywords
recording apparatus
light recording
light
reading
reflection
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
JP4856976A
Other languages
Japanese (ja)
Other versions
JPS6028057B2 (en
Inventor
Motoyasu Terao
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 JP51048569A priority Critical patent/JPS6028057B2/en
Publication of JPS52132850A publication Critical patent/JPS52132850A/en
Publication of JPS6028057B2 publication Critical patent/JPS6028057B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To provide a light recording apparatus, in which reflection preventing layers are provided at the upper or lower part of amorphous layer to reduce reflection of reading light from substrate surface, whereby high contrast is obtained when reading is conducted by reflected light.
COPYRIGHT: (C)1977,JPO&Japio
JP51048569A 1976-04-30 1976-04-30 optical recording device Expired JPS6028057B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51048569A JPS6028057B2 (en) 1976-04-30 1976-04-30 optical recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51048569A JPS6028057B2 (en) 1976-04-30 1976-04-30 optical recording device

Publications (2)

Publication Number Publication Date
JPS52132850A true JPS52132850A (en) 1977-11-07
JPS6028057B2 JPS6028057B2 (en) 1985-07-02

Family

ID=12807018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51048569A Expired JPS6028057B2 (en) 1976-04-30 1976-04-30 optical recording device

Country Status (1)

Country Link
JP (1) JPS6028057B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494331A (en) * 1978-01-09 1979-07-26 Nippon Denso Co Ltd Preparation of light and dark pattern
JPS58501887A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション digital data record material
JPS58501882A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival data recording methods and related media
JPS58501883A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival recording medium with improved information layer and associated substrate
JPS58501886A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival data recording system using low power radiation and associated media
JPS58501885A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Forming technology for archival recording media for digital data storage
JPS58501884A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival recording medium for digital data storage using low power radiation
JPS6042095A (en) * 1983-08-19 1985-03-06 Hitachi Ltd Information recording member and its manufacturing method
JPS6187252A (en) * 1985-10-07 1986-05-02 Canon Inc Photothermomagnetic recording medium
JPS6190341A (en) * 1984-10-09 1986-05-08 Toshiba Corp Optical disk

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494331A (en) * 1978-01-09 1979-07-26 Nippon Denso Co Ltd Preparation of light and dark pattern
JPS58501887A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション digital data record material
JPS58501882A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival data recording methods and related media
JPS58501883A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival recording medium with improved information layer and associated substrate
JPS58501886A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival data recording system using low power radiation and associated media
JPS58501885A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Forming technology for archival recording media for digital data storage
JPS58501884A (en) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション Archival recording medium for digital data storage using low power radiation
JPS6042095A (en) * 1983-08-19 1985-03-06 Hitachi Ltd Information recording member and its manufacturing method
JPS6190341A (en) * 1984-10-09 1986-05-08 Toshiba Corp Optical disk
JPS6187252A (en) * 1985-10-07 1986-05-02 Canon Inc Photothermomagnetic recording medium

Also Published As

Publication number Publication date
JPS6028057B2 (en) 1985-07-02

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