CA1114950A - Magnetic domain device - Google Patents
Magnetic domain deviceInfo
- Publication number
- CA1114950A CA1114950A CA285,160A CA285160A CA1114950A CA 1114950 A CA1114950 A CA 1114950A CA 285160 A CA285160 A CA 285160A CA 1114950 A CA1114950 A CA 1114950A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- magnetic
- electrically conductive
- pattern
- magnetizable
- 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
- 230000005381 magnetic domain Effects 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000000696 magnetic material Substances 0.000 claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 230000005415 magnetization Effects 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 97
- 239000002356 single layer Substances 0.000 claims 1
- 230000000644 propagated effect Effects 0.000 abstract description 10
- 125000006850 spacer group Chemical group 0.000 description 8
- 239000000758 substrate Substances 0.000 description 5
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- ZPDRQAVGXHVGTB-UHFFFAOYSA-N gallium;gadolinium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Gd+3] ZPDRQAVGXHVGTB-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7609528A NL7609528A (nl) | 1976-08-27 | 1976-08-27 | Magnetische inrichting met domeinen. |
| NL7609528 | 1976-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114950A true CA1114950A (en) | 1981-12-22 |
Family
ID=19826803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA285,160A Expired CA1114950A (en) | 1976-08-27 | 1977-08-18 | Magnetic domain device |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4236226A (OSRAM) |
| JP (1) | JPS5812668B2 (OSRAM) |
| CA (1) | CA1114950A (OSRAM) |
| DE (1) | DE2736869A1 (OSRAM) |
| FR (1) | FR2363164A1 (OSRAM) |
| GB (1) | GB1589987A (OSRAM) |
| NL (1) | NL7609528A (OSRAM) |
| SE (1) | SE7709488L (OSRAM) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3534346A (en) * | 1968-05-28 | 1970-10-13 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3631413A (en) * | 1970-06-24 | 1971-12-28 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3638205A (en) * | 1970-06-29 | 1972-01-25 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3693177A (en) * | 1971-03-12 | 1972-09-19 | North American Rockwell | Conductor arrangement for propagation in magnetic bubble domain systems |
| US3893089A (en) * | 1971-04-12 | 1975-07-01 | Ibm | Two-phase propagation of cylindrical magnetic domains |
| US3701129A (en) * | 1971-10-28 | 1972-10-24 | Bell Telephone Labor Inc | Self-biasing single wall domain arrangement |
| US4027296A (en) * | 1972-09-02 | 1977-05-31 | U.S. Philips Corporation | Magnetic plate comprising drivable domains |
| JPS5441181B2 (OSRAM) * | 1973-11-08 | 1979-12-07 | ||
| JPS5548390B2 (OSRAM) * | 1974-03-11 | 1980-12-05 | ||
| JPS5710505B2 (OSRAM) * | 1974-12-05 | 1982-02-26 |
-
1976
- 1976-08-27 NL NL7609528A patent/NL7609528A/xx not_active Application Discontinuation
-
1977
- 1977-08-16 DE DE19772736869 patent/DE2736869A1/de not_active Withdrawn
- 1977-08-18 CA CA285,160A patent/CA1114950A/en not_active Expired
- 1977-08-24 JP JP52100705A patent/JPS5812668B2/ja not_active Expired
- 1977-08-24 GB GB35459/77A patent/GB1589987A/en not_active Expired
- 1977-08-24 SE SE7709488A patent/SE7709488L/xx unknown
- 1977-08-26 FR FR7726056A patent/FR2363164A1/fr active Granted
-
1979
- 1979-02-26 US US06/015,981 patent/US4236226A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5329036A (en) | 1978-03-17 |
| GB1589987A (en) | 1981-05-20 |
| US4236226A (en) | 1980-11-25 |
| DE2736869A1 (de) | 1978-03-02 |
| NL7609528A (nl) | 1978-03-01 |
| JPS5812668B2 (ja) | 1983-03-09 |
| FR2363164B1 (OSRAM) | 1982-10-22 |
| FR2363164A1 (fr) | 1978-03-24 |
| SE7709488L (sv) | 1978-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |