FR2618013A1 - Procede pour transferer des lignes de bloch et memoire a lignes de bloch - Google Patents
Procede pour transferer des lignes de bloch et memoire a lignes de bloch Download PDFInfo
- Publication number
- FR2618013A1 FR2618013A1 FR8809082A FR8809082A FR2618013A1 FR 2618013 A1 FR2618013 A1 FR 2618013A1 FR 8809082 A FR8809082 A FR 8809082A FR 8809082 A FR8809082 A FR 8809082A FR 2618013 A1 FR2618013 A1 FR 2618013A1
- Authority
- FR
- France
- Prior art keywords
- magnetic
- bloch
- lines
- layer
- thin film
- 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
- 230000015654 memory Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000010409 thin film Substances 0.000 claims abstract description 34
- 239000000696 magnetic material Substances 0.000 claims abstract description 26
- 230000005415 magnetization Effects 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 239000002223 garnet Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 239000004020 conductor Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- -1 GGG or NdGG Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 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
- G11C19/0816—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
- G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")
Landscapes
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62166987A JPS6413286A (en) | 1987-07-06 | 1987-07-06 | Bloch line memory and it's information transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2618013A1 true FR2618013A1 (fr) | 1989-01-13 |
| FR2618013B1 FR2618013B1 (enrdf_load_stackoverflow) | 1993-02-26 |
Family
ID=15841298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8809082A Granted FR2618013A1 (fr) | 1987-07-06 | 1988-07-05 | Procede pour transferer des lignes de bloch et memoire a lignes de bloch |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6413286A (enrdf_load_stackoverflow) |
| DE (1) | DE3822737A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2618013A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2208143B (enrdf_load_stackoverflow) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0106358A2 (en) * | 1982-10-18 | 1984-04-25 | Nec Corporation | Magnetic memory device capable of memorizing information in a stripe domain in the form of a vertical Bloch line pair |
| JPS5998373A (ja) * | 1982-11-26 | 1984-06-06 | Nec Corp | 磁気記憶素子 |
| JPS6289295A (ja) * | 1985-10-16 | 1987-04-23 | Nec Corp | 磁気記憶素子及びその作製方法 |
| US4692899A (en) * | 1985-12-12 | 1987-09-08 | Sperry Corporation | Propagational control for Vertical Bloch Line memories |
-
1987
- 1987-07-06 JP JP62166987A patent/JPS6413286A/ja active Pending
-
1988
- 1988-06-29 GB GB8815505A patent/GB2208143B/en not_active Expired - Lifetime
- 1988-07-05 FR FR8809082A patent/FR2618013A1/fr active Granted
- 1988-07-05 DE DE3822737A patent/DE3822737A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0106358A2 (en) * | 1982-10-18 | 1984-04-25 | Nec Corporation | Magnetic memory device capable of memorizing information in a stripe domain in the form of a vertical Bloch line pair |
| JPS5998373A (ja) * | 1982-11-26 | 1984-06-06 | Nec Corp | 磁気記憶素子 |
| JPS6289295A (ja) * | 1985-10-16 | 1987-04-23 | Nec Corp | 磁気記憶素子及びその作製方法 |
| US4692899A (en) * | 1985-12-12 | 1987-09-08 | Sperry Corporation | Propagational control for Vertical Bloch Line memories |
Non-Patent Citations (3)
| Title |
|---|
| IEEE TRANSACTIONS ON MAGNETICS. vol. 22, no. 5, Septembre 1986, NEW YORK US pages 784 - 789; SUZUKI E.A.: 'CHIP ORGANISATION OF BLOCH LINE MEMORY ' * |
| PATENT ABSTRACTS OF JAPAN vol. 008, no. 214 (P-304)29 Septembre 1984 & JP-A-59 098 373 (NIPPON DENKI ) 6 Juin 1984 * |
| PATENT ABSTRACTS OF JAPAN vol. 011, no. 298 (P-620)26 Septembre 1987 & JP-A-62 089 295 (NEC CORPORATION ) 23 Avril 1987 * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2208143B (en) | 1992-03-04 |
| FR2618013B1 (enrdf_load_stackoverflow) | 1993-02-26 |
| GB2208143A (en) | 1989-03-01 |
| JPS6413286A (en) | 1989-01-18 |
| DE3822737A1 (de) | 1989-01-19 |
| GB8815505D0 (en) | 1988-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |