GB1339959A - Information storage system employing optical entry and removal of information - Google Patents
Information storage system employing optical entry and removal of informationInfo
- Publication number
- GB1339959A GB1339959A GB2342071*A GB2342071A GB1339959A GB 1339959 A GB1339959 A GB 1339959A GB 2342071 A GB2342071 A GB 2342071A GB 1339959 A GB1339959 A GB 1339959A
- Authority
- GB
- United Kingdom
- Prior art keywords
- field
- sheet
- information
- niobate
- electro
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 7
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 abstract 3
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 abstract 2
- 230000005684 electric field Effects 0.000 abstract 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 abstract 2
- 229910017116 Fe—Mo Inorganic materials 0.000 abstract 1
- PILOURHZNVHRME-UHFFFAOYSA-N [Na].[Ba] Chemical compound [Na].[Ba] PILOURHZNVHRME-UHFFFAOYSA-N 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract 1
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000013500 data storage Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/05—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
- G02F1/0541—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0338—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect structurally associated with a photoconductive layer or having photo-refractive properties
-
- 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
- G11C13/047—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 electro-optical elements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4419570A | 1970-06-08 | 1970-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1339959A true GB1339959A (en) | 1973-12-05 |
Family
ID=21931004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2342071*A Expired GB1339959A (en) | 1970-06-08 | 1971-04-19 | Information storage system employing optical entry and removal of information |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3651488A (enExample) |
| CA (1) | CA938721A (enExample) |
| DE (1) | DE2109446A1 (enExample) |
| FR (1) | FR2094100B1 (enExample) |
| GB (1) | GB1339959A (enExample) |
| NL (1) | NL7102165A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702465A (en) * | 1971-08-04 | 1972-11-07 | Westinghouse Electric Corp | Electro-optic mass memory |
| JPS4862429A (enExample) * | 1971-12-03 | 1973-08-31 | ||
| US4183094A (en) * | 1978-03-20 | 1980-01-08 | Xerox Corporation | Optical storage medium using the frequency domain |
| DE3633758A1 (de) * | 1986-10-03 | 1988-04-07 | Man Technologie Gmbh | Druckmaschine |
| US5121376A (en) * | 1990-01-04 | 1992-06-09 | Hoechst Celanese Corp. | Optical disk memory using multi-level data recording |
| JP2961126B2 (ja) * | 1995-02-13 | 1999-10-12 | セントラル硝子株式会社 | 三次元光メモリーガラス素子からなる記録媒体及びその記録方法 |
| GB9611278D0 (en) * | 1996-05-30 | 1996-07-31 | Secr Defence | Multiple active computer generated hologram |
| DE10047625A1 (de) | 2000-09-26 | 2002-04-11 | Max Planck Gesellschaft | Stöchiometrieänderung eines ionisch aufgebauten Feststoffes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107170A (en) * | 1960-05-31 | 1963-10-15 | Netke Martin | Production of color images in sensitive emulsions |
| US3383664A (en) * | 1967-03-31 | 1968-05-14 | Bell Telephone Labor Inc | Electro-optical storage arrangement |
-
1970
- 1970-06-08 US US44195A patent/US3651488A/en not_active Expired - Lifetime
-
1971
- 1971-02-10 CA CA105065A patent/CA938721A/en not_active Expired
- 1971-02-18 NL NL7102165A patent/NL7102165A/xx unknown
- 1971-02-27 DE DE19712109446 patent/DE2109446A1/de active Pending
- 1971-03-05 FR FR7107648A patent/FR2094100B1/fr not_active Expired
- 1971-04-19 GB GB2342071*A patent/GB1339959A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2094100B1 (enExample) | 1975-07-04 |
| NL7102165A (enExample) | 1971-12-10 |
| CA938721A (en) | 1973-12-18 |
| US3651488A (en) | 1972-03-21 |
| DE2109446A1 (de) | 1971-12-16 |
| FR2094100A1 (enExample) | 1972-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |