JPS5521025A - Information storage medium using hologram - Google Patents

Information storage medium using hologram

Info

Publication number
JPS5521025A
JPS5521025A JP9325878A JP9325878A JPS5521025A JP S5521025 A JPS5521025 A JP S5521025A JP 9325878 A JP9325878 A JP 9325878A JP 9325878 A JP9325878 A JP 9325878A JP S5521025 A JPS5521025 A JP S5521025A
Authority
JP
Japan
Prior art keywords
radii
shape
information
storage medium
plates
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
JP9325878A
Other languages
English (en)
Inventor
Etsuko Yoshikawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP9325878A priority Critical patent/JPS5521025A/ja
Publication of JPS5521025A publication Critical patent/JPS5521025A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Holo Graphy (AREA)
JP9325878A 1978-07-31 1978-07-31 Information storage medium using hologram Pending JPS5521025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9325878A JPS5521025A (en) 1978-07-31 1978-07-31 Information storage medium using hologram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9325878A JPS5521025A (en) 1978-07-31 1978-07-31 Information storage medium using hologram

Publications (1)

Publication Number Publication Date
JPS5521025A true JPS5521025A (en) 1980-02-14

Family

ID=14077458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9325878A Pending JPS5521025A (en) 1978-07-31 1978-07-31 Information storage medium using hologram

Country Status (1)

Country Link
JP (1) JPS5521025A (ja)

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