CA946666A - Hologram memory - Google Patents

Hologram memory

Info

Publication number
CA946666A
CA946666A CA074,228A CA74228A CA946666A CA 946666 A CA946666 A CA 946666A CA 74228 A CA74228 A CA 74228A CA 946666 A CA946666 A CA 946666A
Authority
CA
Canada
Prior art keywords
hologram memory
hologram
memory
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.)
Expired
Application number
CA074,228A
Other languages
English (en)
Other versions
CA74228S (en
Inventor
Juan J. Amodei
Reuben S. Mezrich
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA946666A publication Critical patent/CA946666A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • G11C13/046—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern using other storage elements storing information in the form of an interference pattern
CA074,228A 1969-03-21 1970-02-06 Hologram memory Expired CA946666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80913769A 1969-03-21 1969-03-21

Publications (1)

Publication Number Publication Date
CA946666A true CA946666A (en) 1974-05-07

Family

ID=25200627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA074,228A Expired CA946666A (en) 1969-03-21 1970-02-06 Hologram memory

Country Status (6)

Country Link
US (1) US3618049A (de)
JP (1) JPS505900B1 (de)
CA (1) CA946666A (de)
DE (1) DE2012962A1 (de)
FR (1) FR2039722A5 (de)
GB (1) GB1298841A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6212148B1 (en) * 1998-01-30 2001-04-03 Siros Technologies, Inc. Optical data storage by selective localized alteration of a format hologram
US6020985A (en) * 1998-01-30 2000-02-01 Siros Technologies, Inc. Multilayer reflection microhologram storage in tape media
US6147782A (en) * 1998-05-01 2000-11-14 Siros Technologies, Inc. Positive unit magnification reflective optics for holographic storage
US6322933B1 (en) 1999-01-12 2001-11-27 Siros Technologies, Inc. Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
US6310850B1 (en) 1999-07-29 2001-10-30 Siros Technologies, Inc. Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium
US6512606B1 (en) 1999-07-29 2003-01-28 Siros Technologies, Inc. Optical storage media and method for optical data storage via local changes in reflectivity of a format grating
US6322931B1 (en) 1999-07-29 2001-11-27 Siros Technologies, Inc. Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
US7739577B2 (en) * 2004-06-03 2010-06-15 Inphase Technologies Data protection system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL297496A (de) * 1962-09-04
US3286025A (en) * 1962-10-25 1966-11-15 Du Pont Recording process using an electron beam to polymerize a record

Also Published As

Publication number Publication date
FR2039722A5 (de) 1971-01-15
US3618049A (en) 1971-11-02
DE2012962A1 (de) 1970-10-01
GB1298841A (en) 1972-12-06
JPS505900B1 (de) 1975-03-08

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