CA1091346A - Uniform rotating field network structure to efficiently package a magnetic bubble domain memory - Google Patents
Uniform rotating field network structure to efficiently package a magnetic bubble domain memoryInfo
- Publication number
- CA1091346A CA1091346A CA271,957A CA271957A CA1091346A CA 1091346 A CA1091346 A CA 1091346A CA 271957 A CA271957 A CA 271957A CA 1091346 A CA1091346 A CA 1091346A
- Authority
- CA
- Canada
- Prior art keywords
- coil
- magnetic field
- magnetic
- bubble domain
- bubble
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 68
- 230000015654 memory Effects 0.000 title abstract description 15
- 238000004804 winding Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 229920005372 Plexiglas® Polymers 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010409 thin film 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
- G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
Landscapes
- Coils Or Transformers For Communication (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/667,338 US4106106A (en) | 1975-02-11 | 1976-03-16 | Uniform rotating field network structure to efficiently package a magnetic bubble domain memory |
| US667,338 | 1984-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091346A true CA1091346A (en) | 1980-12-09 |
Family
ID=24677824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA271,957A Expired CA1091346A (en) | 1976-03-16 | 1977-02-17 | Uniform rotating field network structure to efficiently package a magnetic bubble domain memory |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS52112241A (cs) |
| CA (1) | CA1091346A (cs) |
| DE (1) | DE2636006A1 (cs) |
| GB (1) | GB1511826A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4165535A (en) * | 1977-09-30 | 1979-08-21 | International Business Machines Corporation | Bubble memory drive system using a picture frame core and a reflection box |
| JPS5812669B2 (ja) * | 1977-11-15 | 1983-03-09 | 富士通株式会社 | 磁気バブル素子の試験装置 |
| US4209848A (en) * | 1978-06-16 | 1980-06-24 | International Business Machines Corporation | Magnetic domain device shield |
| ATE2608T1 (de) * | 1979-05-30 | 1983-03-15 | Ludwig Schwerdtel Gmbh. | Vorrichtung zum vakuum-verschliessen von dosen mit einem deckel. |
-
1976
- 1976-08-02 JP JP9273876A patent/JPS52112241A/ja active Granted
- 1976-08-11 DE DE19762636006 patent/DE2636006A1/de not_active Withdrawn
-
1977
- 1977-01-19 GB GB215577A patent/GB1511826A/en not_active Expired
- 1977-02-17 CA CA271,957A patent/CA1091346A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5640437B2 (cs) | 1981-09-21 |
| DE2636006A1 (de) | 1977-09-22 |
| JPS52112241A (en) | 1977-09-20 |
| GB1511826A (en) | 1978-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |