CA1060990A - Magnetic bubble propagate arrangement - Google Patents
Magnetic bubble propagate arrangementInfo
- Publication number
- CA1060990A CA1060990A CA243,709A CA243709A CA1060990A CA 1060990 A CA1060990 A CA 1060990A CA 243709 A CA243709 A CA 243709A CA 1060990 A CA1060990 A CA 1060990A
- Authority
- CA
- Canada
- Prior art keywords
- elements
- bubble
- magnetic
- layer
- pattern
- 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
- 238000012546 transfer Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 229910000889 permalloy Inorganic materials 0.000 claims description 11
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 230000015654 memory Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 230000003319 supportive effect Effects 0.000 abstract description 3
- 239000012071 phase Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 238000007373 indentation Methods 0.000 description 6
- 230000005415 magnetization Effects 0.000 description 6
- 239000002223 garnet Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 241001347978 Major minor Species 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003252 repetitive effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000758 substrate Substances 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
Landscapes
- Thin Magnetic Films (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54188475A | 1975-01-17 | 1975-01-17 | |
| US05/629,007 US4014009A (en) | 1975-01-17 | 1975-11-05 | Magnetic bubble propagate arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1060990A true CA1060990A (en) | 1979-08-21 |
Family
ID=27066832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,709A Expired CA1060990A (en) | 1975-01-17 | 1976-01-16 | Magnetic bubble propagate arrangement |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4014009A (OSRAM) |
| AU (1) | AU502563B2 (OSRAM) |
| CA (1) | CA1060990A (OSRAM) |
| DE (1) | DE2601444A1 (OSRAM) |
| FR (1) | FR2298159A1 (OSRAM) |
| GB (1) | GB1539988A (OSRAM) |
| IT (1) | IT1062210B (OSRAM) |
| NL (1) | NL7600454A (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079461A (en) * | 1976-07-30 | 1978-03-14 | Rockwell International Corporation | Gap tolerant bubble domain propagation circuits |
| US4176404A (en) * | 1978-01-13 | 1979-11-27 | Texas Instruments Incorporated | Bubble memory structure with enhanced data density |
| US4193124A (en) * | 1978-03-20 | 1980-03-11 | Texas Instruments Incorporated | Swap and replicate gates for magnetic bubble memory |
| US4301517A (en) * | 1978-09-29 | 1981-11-17 | Rockwell International Corporation | Replicate/transfer bubble domain switch |
| US4253159A (en) * | 1979-12-03 | 1981-02-24 | Bell Telephone Laboratories, Incorporated | Ion-implanted bubble memory with replicate port |
| HU190771B (en) * | 1980-03-25 | 1986-11-28 | Mta Koezponti Fiz Kutato Intez | Magnetic bubble extending-detector network |
| JPS5963088A (ja) * | 1982-10-04 | 1984-04-10 | Hitachi Ltd | 磁気バブル分割器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028301B1 (OSRAM) * | 1971-02-01 | 1975-09-13 | ||
| US3797001A (en) * | 1972-08-07 | 1974-03-12 | Bell Telephone Labor Inc | Single wall domain propagation arrangement |
-
1975
- 1975-11-05 US US05/629,007 patent/US4014009A/en not_active Expired - Lifetime
-
1976
- 1976-01-13 GB GB1132/76A patent/GB1539988A/en not_active Expired
- 1976-01-13 AU AU10245/76A patent/AU502563B2/en not_active Expired
- 1976-01-14 FR FR7600827A patent/FR2298159A1/fr active Granted
- 1976-01-16 NL NL7600454A patent/NL7600454A/xx not_active Application Discontinuation
- 1976-01-16 IT IT67106/76A patent/IT1062210B/it active
- 1976-01-16 DE DE19762601444 patent/DE2601444A1/de not_active Withdrawn
- 1976-01-16 CA CA243,709A patent/CA1060990A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1539988A (en) | 1979-02-07 |
| IT1062210B (it) | 1983-09-20 |
| US4014009A (en) | 1977-03-22 |
| AU502563B2 (en) | 1979-08-02 |
| DE2601444A1 (de) | 1976-07-22 |
| FR2298159B1 (OSRAM) | 1981-04-17 |
| NL7600454A (nl) | 1976-07-20 |
| FR2298159A1 (fr) | 1976-08-13 |
| AU1024576A (en) | 1977-07-21 |
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