DE2655572A1 - Weiterleitungsstruktur fuer magneteinzelwanddomaenen - Google Patents
Weiterleitungsstruktur fuer magneteinzelwanddomaenenInfo
- Publication number
- DE2655572A1 DE2655572A1 DE19762655572 DE2655572A DE2655572A1 DE 2655572 A1 DE2655572 A1 DE 2655572A1 DE 19762655572 DE19762655572 DE 19762655572 DE 2655572 A DE2655572 A DE 2655572A DE 2655572 A1 DE2655572 A1 DE 2655572A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- layer
- wall
- magnetic layer
- storage
- 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.)
- Withdrawn
Links
- 230000005381 magnetic domain Effects 0.000 claims description 72
- 230000005415 magnetization Effects 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000004907 flux Effects 0.000 claims description 15
- 239000002223 garnet Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 203
- 238000005468 ion implantation Methods 0.000 description 34
- 239000000463 material Substances 0.000 description 28
- 150000002500 ions Chemical class 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 7
- 239000007943 implant Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 238000004943 liquid phase epitaxy Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000047703 Nonion Species 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 241000384008 Sisis Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites
- H01F10/24—Garnets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/645,737 US4070658A (en) | 1975-12-31 | 1975-12-31 | Ion implanted bubble propagation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2655572A1 true DE2655572A1 (de) | 1977-07-14 |
Family
ID=24590268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762655572 Withdrawn DE2655572A1 (de) | 1975-12-31 | 1976-12-08 | Weiterleitungsstruktur fuer magneteinzelwanddomaenen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4070658A (enExample) |
| JP (1) | JPS5285399A (enExample) |
| CA (1) | CA1068830A (enExample) |
| DE (1) | DE2655572A1 (enExample) |
| FR (1) | FR2337399A1 (enExample) |
| GB (1) | GB1555686A (enExample) |
| IT (1) | IT1070008B (enExample) |
| NL (1) | NL7613123A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0174144A3 (en) * | 1984-08-27 | 1988-03-16 | Hitachi, Ltd. | Process for preparing magnetic layer and magnetic head prepared using the same |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393807A (en) * | 1977-01-28 | 1978-08-17 | Hitachi Ltd | Guide drum for magnetic tape |
| US4128895A (en) * | 1977-05-31 | 1978-12-05 | International Business Machines Corporation | Magnetic wall assisted bubble domain nucleator |
| US4174540A (en) * | 1977-06-30 | 1979-11-13 | International Business Machines Corporation | Bubble domain transfer switches |
| US4264985A (en) * | 1978-05-08 | 1981-04-28 | Rockwell International Corporation | Continuous propagation structures |
| US4308592A (en) * | 1979-06-29 | 1981-12-29 | International Business Machines Corporation | Patterned kill of magnetoresistive layer in bubble domain chip |
| US4357683A (en) * | 1979-10-29 | 1982-11-02 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory with ion-implanted layer |
| JPS5687286A (en) * | 1979-12-17 | 1981-07-15 | Fujitsu Ltd | Magnetic bubble element |
| US4330848A (en) * | 1980-03-10 | 1982-05-18 | International Business Machines Corporation | Charged wall amorphous magnetic layers |
| JPS5869498A (ja) * | 1981-10-19 | 1983-04-25 | Yaskawa Electric Mfg Co Ltd | 巻線形誘導電動機の制御方法および装置 |
| JPS5896705A (ja) * | 1981-12-04 | 1983-06-08 | Hitachi Ltd | 磁気バブルメモリ素子 |
| FR2529369A1 (fr) * | 1982-06-29 | 1983-12-30 | Commissariat Energie Atomique | Memoire a bulles magnetiques a motifs non implantes, son utilisation pour la duplication de bulles et son application a la duplication par element binaire et par bloc d'elements binaires |
| JPS59172190A (ja) * | 1983-03-22 | 1984-09-28 | Hitachi Ltd | 磁気バブルメモリチツプ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828329A (en) * | 1972-07-24 | 1974-08-06 | Bell Telephone Labor Inc | Single wall domain propagation arrangement |
| US3996572A (en) * | 1973-12-27 | 1976-12-07 | International Business Machines Corporation | Very high density gapless propagation structure for bubble domains |
| US3967002A (en) * | 1974-12-31 | 1976-06-29 | International Business Machines Corporation | Method for making high density magnetic bubble domain system |
| US3996573A (en) * | 1975-04-21 | 1976-12-07 | Texas Instruments Incorporated | Bubble propagation circuits and formation thereof |
-
1975
- 1975-12-31 US US05/645,737 patent/US4070658A/en not_active Expired - Lifetime
-
1976
- 1976-09-30 GB GB40690/76A patent/GB1555686A/en not_active Expired
- 1976-11-25 NL NL7613123A patent/NL7613123A/xx not_active Application Discontinuation
- 1976-11-29 FR FR7636409A patent/FR2337399A1/fr active Granted
- 1976-12-08 DE DE19762655572 patent/DE2655572A1/de not_active Withdrawn
- 1976-12-09 JP JP14721776A patent/JPS5285399A/ja active Granted
- 1976-12-21 IT IT30664/76A patent/IT1070008B/it active
- 1976-12-24 CA CA268,718A patent/CA1068830A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0174144A3 (en) * | 1984-08-27 | 1988-03-16 | Hitachi, Ltd. | Process for preparing magnetic layer and magnetic head prepared using the same |
| US4772976A (en) * | 1984-08-27 | 1988-09-20 | Hitachi, Ltd. | Process for preparing magnetic layer and magnetic head prepared using the same |
| US4894098A (en) * | 1984-08-27 | 1990-01-16 | Hitachi, Ltd. | Process for preparing magnetic layer and magnetic head prepared using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1070008B (it) | 1985-03-25 |
| JPS5532209B2 (enExample) | 1980-08-23 |
| GB1555686A (en) | 1979-11-14 |
| NL7613123A (nl) | 1977-07-04 |
| JPS5285399A (en) | 1977-07-15 |
| US4070658A (en) | 1978-01-24 |
| FR2337399B1 (enExample) | 1980-10-24 |
| FR2337399A1 (fr) | 1977-07-29 |
| CA1068830A (en) | 1979-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8139 | Disposal/non-payment of the annual fee |