FR2362469A1 - Dispositif a memoire a files de bulles magnetiques - Google Patents
Dispositif a memoire a files de bulles magnetiquesInfo
- Publication number
- FR2362469A1 FR2362469A1 FR7725605A FR7725605A FR2362469A1 FR 2362469 A1 FR2362469 A1 FR 2362469A1 FR 7725605 A FR7725605 A FR 7725605A FR 7725605 A FR7725605 A FR 7725605A FR 2362469 A1 FR2362469 A1 FR 2362469A1
- Authority
- FR
- France
- Prior art keywords
- memory device
- layer
- magnetic
- magnetic bubble
- wire 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.)
- Granted
Links
- 230000005381 magnetic domain Effects 0.000 abstract 3
- 239000000696 magnetic material Substances 0.000 abstract 1
- 230000015654 memory Effects 0.000 abstract 1
- 230000010287 polarization Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
- G11C19/0833—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using magnetic domain interaction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0875—Organisation of a plurality of magnetic shift registers
Landscapes
- Thin Magnetic Films (AREA)
- Mram Or Spin Memory Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/715,967 US4059828A (en) | 1976-08-20 | 1976-08-20 | Bubble lattice file structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2362469A1 true FR2362469A1 (fr) | 1978-03-17 |
| FR2362469B1 FR2362469B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-07-11 |
Family
ID=24876186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7725605A Granted FR2362469A1 (fr) | 1976-08-20 | 1977-08-22 | Dispositif a memoire a files de bulles magnetiques |
Country Status (7)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198692A (en) * | 1978-09-22 | 1980-04-15 | Rockwell International Corporation | Self-biased structure for magnetic bubble domain devices |
| DE3207159A1 (de) * | 1982-02-27 | 1983-09-08 | Vacuumschmelze Gmbh, 6450 Hanau | Verfahren zur herstellung eines stabilisierten supraleiters mit einer diffusionshemmenden schicht |
| US6028824A (en) * | 1986-07-08 | 2000-02-22 | Canon Kabushiki Kaisha | Magnetooptical recording medium allowing overwriting with two or more magnetic layers |
| ATE172047T1 (de) * | 1986-07-08 | 1998-10-15 | Canon Kk | Magnetoptisches aufzeichnungsmedium mit der möglichkeit des überschreibens mit zwei oder mehr magnetschichten und dieses medium verwendende aufzeichnungsmethode |
| EP0838815B1 (en) * | 1986-07-08 | 2002-04-17 | Canon Kabushiki Kaisha | Apparatus and system for recording on a magnetooptical recording medium |
| JPH0395745A (ja) * | 1989-09-06 | 1991-04-22 | Canon Inc | 光磁気記録方法及び記録装置 |
| KR20050048667A (ko) * | 2002-10-03 | 2005-05-24 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 판독전용 자기 메모리장치 엠알오엠 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996571A (en) * | 1974-03-08 | 1976-12-07 | International Business Machines Corporation | Double layer bubble domain lattice system |
| US3968481A (en) * | 1974-07-25 | 1976-07-06 | International Business Machines (Ibm) | Method of, and apparatus for, establishing self-biased single wall domains |
-
1976
- 1976-08-20 US US05/715,967 patent/US4059828A/en not_active Expired - Lifetime
-
1977
- 1977-07-19 CA CA283,067A patent/CA1104252A/en not_active Expired
- 1977-08-01 GB GB32236/77A patent/GB1546310A/en not_active Expired
- 1977-08-04 NL NL7708636A patent/NL7708636A/xx not_active Application Discontinuation
- 1977-08-11 DE DE2736156A patent/DE2736156C3/de not_active Expired
- 1977-08-18 JP JP9942577A patent/JPS5326537A/ja active Granted
- 1977-08-22 FR FR7725605A patent/FR2362469A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4059828A (en) | 1977-11-22 |
| GB1546310A (en) | 1979-05-23 |
| DE2736156C3 (de) | 1980-01-31 |
| CA1104252A (en) | 1981-06-30 |
| DE2736156A1 (de) | 1978-03-02 |
| DE2736156B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-23 |
| JPS5731235B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-07-03 |
| FR2362469B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-07-11 |
| NL7708636A (nl) | 1978-02-22 |
| JPS5326537A (en) | 1978-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |