JPS5218123A - Hologram memory unit - Google Patents

Hologram memory unit

Info

Publication number
JPS5218123A
JPS5218123A JP9321375A JP9321375A JPS5218123A JP S5218123 A JPS5218123 A JP S5218123A JP 9321375 A JP9321375 A JP 9321375A JP 9321375 A JP9321375 A JP 9321375A JP S5218123 A JPS5218123 A JP S5218123A
Authority
JP
Japan
Prior art keywords
memory unit
hologram memory
hologram
stableness
irradiating
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
JP9321375A
Other languages
Japanese (ja)
Other versions
JPS5549746B2 (en
Inventor
Yoshisada Oshida
Yasutsugu Takeda
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP9321375A priority Critical patent/JPS5218123A/en
Publication of JPS5218123A publication Critical patent/JPS5218123A/en
Publication of JPS5549746B2 publication Critical patent/JPS5549746B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:In order to make the continuous production of hologram with low noise and stableness, through irradiating the beam with the identical diameter on numerous holograms.
JP9321375A 1975-08-01 1975-08-01 Hologram memory unit Granted JPS5218123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9321375A JPS5218123A (en) 1975-08-01 1975-08-01 Hologram memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9321375A JPS5218123A (en) 1975-08-01 1975-08-01 Hologram memory unit

Publications (2)

Publication Number Publication Date
JPS5218123A true JPS5218123A (en) 1977-02-10
JPS5549746B2 JPS5549746B2 (en) 1980-12-13

Family

ID=14076276

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9321375A Granted JPS5218123A (en) 1975-08-01 1975-08-01 Hologram memory unit

Country Status (1)

Country Link
JP (1) JPS5218123A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894465A (en) * 1997-01-07 1999-04-13 Rrad-Rite Corporation Transmissive data storage media and an optical head using holographic or acousto-optical deflection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847352A (en) * 1971-10-15 1973-07-05
JPS4986084A (en) * 1972-07-29 1974-08-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847352A (en) * 1971-10-15 1973-07-05
JPS4986084A (en) * 1972-07-29 1974-08-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5894465A (en) * 1997-01-07 1999-04-13 Rrad-Rite Corporation Transmissive data storage media and an optical head using holographic or acousto-optical deflection

Also Published As

Publication number Publication date
JPS5549746B2 (en) 1980-12-13

Similar Documents

Publication Publication Date Title
ES416966A1 (en) Process for activating a steam reforming catalyst and the catalyst produced by the process
CA921456A (en) Reforming process with promoted low platinum content catalyst
CA973179A (en) Certain 1-alkyl-9,10-anthraquinones and their 5,6,7,8-tetrahydro derivatives and the use of the latter in the production of hydrogen peroxide
JPS5218123A (en) Hologram memory unit
CA952287A (en) Process for treating gases in the ammonia synthesis
JPS5228330A (en) Photo-branch unit and its manufacturing method
JPS5223902A (en) Optical playback device
SU590013A1 (en) Dust-trapping device
CA940672A (en) Method for producing carbon fibrils
JPS5237597A (en) Regeneration of active carbon
JPS5244489A (en) Countersinking cutter
JPS529421A (en) Speaker equalizer and its production method
JPS52113795A (en) Atomizing apparatus of sample
ES177214U (en) Envolvente. (Machine-translation by Google Translate, not legally binding)
AU435884B2 (en) A method of producing polylaurolactam with improved stability against the action of heat, oxygen and light
JPS51134596A (en) Doppler-rader unit
ES417345A1 (en) Burner nozzle
AU1968670A (en) 5-aryl-3h-1, 2, 4-dithlazoles and process for their manufacture
AU6007169A (en) A method of producing polylaurolactam with improved stability against the action of heat, oxygen and light
JPS5249802A (en) Method of scanning information
ES443039A1 (en) Procedure for obtaining organic acids through selective oxidation of carbohydrates. (Machine-translation by Google Translate, not legally binding)
OKAWA EFFECTS OF HEATING TEMPERATURE, HEATING TIME AND PHOSPHORUS CONTENT ON THE HYDROGEN EMBRITTLEMENT OF COPPER BY OXIDATION AND REDUCTION
JPS5229241A (en) Hologram data reading method
JPS5231423A (en) Alarm device for seat belt
CA841947A (en) Method for producing and reconstructing holograms