GB1437014A - Magnetic bubble domain apparatus - Google Patents
Magnetic bubble domain apparatusInfo
- Publication number
- GB1437014A GB1437014A GB2863173A GB2863173A GB1437014A GB 1437014 A GB1437014 A GB 1437014A GB 2863173 A GB2863173 A GB 2863173A GB 2863173 A GB2863173 A GB 2863173A GB 1437014 A GB1437014 A GB 1437014A
- Authority
- GB
- United Kingdom
- Prior art keywords
- field
- plane
- domain
- propagation
- bubble
- 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
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
- G11C19/0875—Organisation of a plurality of magnetic shift registers
-
- 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
-
- 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
- G11C19/0816—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 a rotating or alternating coplanar magnetic field
-
- 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
- G11C19/0841—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 electric current
-
- 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
- G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
Landscapes
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US265366A US3876994A (en) | 1972-06-22 | 1972-06-22 | Planar bias field control of magnetic bubble domain apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1437014A true GB1437014A (en) | 1976-05-26 |
Family
ID=23010136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2863173A Expired GB1437014A (en) | 1972-06-22 | 1973-06-15 | Magnetic bubble domain apparatus |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079460A (en) * | 1973-04-25 | 1978-03-14 | U.S. Philips Corporation | Device operating with the displacement of magnetic domain walls |
| US4007445A (en) * | 1974-12-31 | 1977-02-08 | International Business Machines Corporation | Minimum structure bubble domain propagation |
| US3984823A (en) * | 1975-03-21 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Magnetic bubble field-access replicator operative with the drive field in a fixed orientation |
| US4060798A (en) * | 1976-05-12 | 1977-11-29 | The United States Of America As Represented By The Secretary Of The Navy | Method for increasing the critical velocity of magnetic bubble propagation in magnetic materials |
| FR2544121B1 (fr) * | 1983-04-08 | 1988-06-10 | Commissariat Energie Atomique | Memoire a bulles magnetiques |
| JPH0227544A (ja) * | 1988-07-15 | 1990-01-30 | Canon Inc | 光磁気記録媒体及び記録方法 |
| WO1991012614A1 (en) * | 1991-06-10 | 1991-08-22 | Spetsialnoe Konstruktorsko-Tekhnologicheskoe Bjuro Donetskogo Fiziko-Tekhnicheskogo Instituta Akademii Nauk Ukrainskoi Ssr | Information storage for memory device based on cylindrical magnetic domains |
| DE19920040A1 (de) * | 1999-04-23 | 2000-11-02 | Siemens Ag | Verfahren zur Umformung eines Kupfer-Rohlings durch Kaltfließpressen und Preßwerkzeug mit zugeordnetem Schneidwerkzeug zur Durchführung des Verfahrens |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3602911A (en) * | 1969-12-23 | 1971-08-31 | Bell Telephone Labor Inc | Single wall magnetic domain propagation arrangement |
| US3638206A (en) * | 1970-05-08 | 1972-01-25 | Bell Telephone Labor Inc | Domain propagation arrangement |
| US3636531A (en) * | 1970-06-24 | 1972-01-18 | Bell Telephone Labor Inc | Domain propagation arrangement |
| US3644908A (en) * | 1970-06-29 | 1972-02-22 | Bell Telephone Labor Inc | Domain-propagation arrangement |
| US3638205A (en) * | 1970-06-29 | 1972-01-25 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3668667A (en) * | 1970-09-30 | 1972-06-06 | Bell Telephone Labor Inc | Multilevel domain propagation arrangement |
| US3662359A (en) * | 1970-12-31 | 1972-05-09 | Ibm | Method and apparatus for creation of cylindrical, single wall domains |
-
1972
- 1972-06-22 US US265366A patent/US3876994A/en not_active Expired - Lifetime
-
1973
- 1973-05-16 JP JP5375373A patent/JPS5644509B2/ja not_active Expired
- 1973-05-25 FR FR7321364*A patent/FR2189839B1/fr not_active Expired
- 1973-05-29 DE DE2327313A patent/DE2327313A1/de active Pending
- 1973-06-15 GB GB2863173A patent/GB1437014A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2189839B1 (US07608600-20091027-C00054.png) | 1976-05-28 |
| FR2189839A1 (US07608600-20091027-C00054.png) | 1974-01-25 |
| JPS5644509B2 (US07608600-20091027-C00054.png) | 1981-10-20 |
| DE2327313A1 (de) | 1974-01-10 |
| US3876994A (en) | 1975-04-08 |
| JPS4952542A (US07608600-20091027-C00054.png) | 1974-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |