DE3822328C2 - - Google Patents
Info
- Publication number
- DE3822328C2 DE3822328C2 DE3822328A DE3822328A DE3822328C2 DE 3822328 C2 DE3822328 C2 DE 3822328C2 DE 3822328 A DE3822328 A DE 3822328A DE 3822328 A DE3822328 A DE 3822328A DE 3822328 C2 DE3822328 C2 DE 3822328C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- thin film
- bloch
- magnetic field
- loading device
- 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 - Lifetime
Links
- 239000010409 thin film Substances 0.000 claims description 49
- 230000005381 magnetic domain Effects 0.000 claims description 32
- 230000015654 memory Effects 0.000 claims description 31
- 238000009826 distribution Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000010408 film Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000036316 preload Effects 0.000 description 16
- 239000004020 conductor Substances 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 9
- 239000002223 garnet Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000011549 displacement method Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004943 liquid phase epitaxy Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000007736 thin film deposition technique Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C21/00—Digital stores in which the information circulates continuously
-
- 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
- G11C19/0825—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 variable perpendicular magnetic field
Landscapes
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62163925A JPH0778987B2 (ja) | 1987-07-02 | 1987-07-02 | ブロッホラインメモリ及びその情報転送方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3822328A1 DE3822328A1 (de) | 1989-01-12 |
| DE3822328C2 true DE3822328C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-14 |
Family
ID=15783428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3822328A Granted DE3822328A1 (de) | 1987-07-02 | 1988-07-01 | Blochlinienspeicher und verfahren zum versetzen von blochlinien |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235197C (zh) * | 2000-03-31 | 2006-01-04 | 松下电器产业株式会社 | 主信息载体以及采用该载体的磁记录媒体的制造方法 |
| US6722854B2 (en) * | 2001-01-24 | 2004-04-20 | Sundyne Corporation | Canned pump with ultrasonic bubble detector |
| JP2007261356A (ja) * | 2006-03-28 | 2007-10-11 | Central Motor Co Ltd | ウェザーストリップ打込み装置 |
| KR100813270B1 (ko) | 2006-09-29 | 2008-03-13 | 삼성전자주식회사 | 자구벽 이동을 이용한 데이터 저장 장치 및 그의 동작 방법 |
| EP2073213B1 (en) * | 2007-12-20 | 2011-01-26 | Samsung Electronics Co., Ltd. | Data storage device using magnetic domain wall movement and method of operating the data storage device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4583200A (en) * | 1982-10-18 | 1986-04-15 | Nec Corporation | Magnetic memory device capable of memorizing information in a stripe domain in the form of a vertical Bloch line pair |
| JPS5996592A (ja) * | 1982-11-24 | 1984-06-04 | Nec Corp | 磁気記憶素子 |
| JPS5998384A (ja) * | 1982-11-29 | 1984-06-06 | Nec Corp | 磁気記憶素子 |
| JPS6076079A (ja) * | 1983-09-30 | 1985-04-30 | Nec Corp | 磁気記憶素子 |
| FR2574212B1 (fr) * | 1984-11-30 | 1992-02-14 | Canon Kk | Procede d'enregistrement et/ou de reproduction pour une memoire a lignes de bloch |
| SU1401517A1 (ru) * | 1986-04-08 | 1988-06-07 | Институт Электронных Управляющих Машин | Носитель информации и способ его изготовлени |
-
1987
- 1987-07-02 JP JP62163925A patent/JPH0778987B2/ja not_active Expired - Fee Related
-
1988
- 1988-06-29 GB GB8815504A patent/GB2207312B/en not_active Expired - Lifetime
- 1988-07-01 DE DE3822328A patent/DE3822328A1/de active Granted
- 1988-07-01 FR FR888808953A patent/FR2617629B1/fr not_active Expired - Fee Related
-
1991
- 1991-09-12 US US07/758,209 patent/US5138571A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB8815504D0 (en) | 1988-08-03 |
| JPS6410488A (en) | 1989-01-13 |
| DE3822328A1 (de) | 1989-01-12 |
| US5138571A (en) | 1992-08-11 |
| GB2207312A (en) | 1989-01-25 |
| JPH0778987B2 (ja) | 1995-08-23 |
| FR2617629B1 (fr) | 1993-04-30 |
| FR2617629A1 (fr) | 1989-01-06 |
| GB2207312B (en) | 1992-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM. KINNE, R., DIPL.-ING. GRUPE, P., DIPL.-ING. PELLMANN, H., DIPL.-ING. GRAMS, K., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |