CA1161955A - Bubble memory bias field structure - Google Patents
Bubble memory bias field structureInfo
- Publication number
- CA1161955A CA1161955A CA000362790A CA362790A CA1161955A CA 1161955 A CA1161955 A CA 1161955A CA 000362790 A CA000362790 A CA 000362790A CA 362790 A CA362790 A CA 362790A CA 1161955 A CA1161955 A CA 1161955A
- Authority
- CA
- Canada
- Prior art keywords
- bubble memory
- magnetic field
- magnet
- memory chip
- bias magnetic
- 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
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
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US102,096 | 1979-12-10 | ||
| US06/102,096 US4530072A (en) | 1979-12-10 | 1979-12-10 | Bubble memory bias field structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1161955A true CA1161955A (en) | 1984-02-07 |
Family
ID=22288100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000362790A Expired CA1161955A (en) | 1979-12-10 | 1980-10-20 | Bubble memory bias field structure |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4530072A (https=) |
| EP (1) | EP0031647B1 (https=) |
| JP (1) | JPS5683882A (https=) |
| AU (1) | AU536680B2 (https=) |
| CA (1) | CA1161955A (https=) |
| DE (1) | DE3071457D1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692898A (en) * | 1980-11-06 | 1987-09-08 | Control Data Corp. | Bubble memory bias field structure |
| US20170059669A1 (en) * | 2015-08-26 | 2017-03-02 | Qualcomm Incorporated | Magnetic field enhancing backing plate for mram wafer testing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3213335A (en) * | 1962-03-02 | 1965-10-19 | Philips Corp | Permanent magnet |
| US3864671A (en) * | 1972-04-10 | 1975-02-04 | Hughes Aircraft Co | Package structure for movable magnetic domain devices |
| US3931618A (en) * | 1973-11-14 | 1976-01-06 | Hewlett-Packard Company | Housing structure and magnetic biasing for bubble memories |
| JPS50108842A (https=) * | 1974-01-31 | 1975-08-27 | ||
| CA1074915A (en) * | 1975-06-16 | 1980-04-01 | Thomas T. Chen | Bias structure to efficiently package a magnetic bubble domain device |
| DE2811088A1 (de) * | 1977-03-17 | 1978-09-28 | Plessey Handel Investment Ag | Magnetblasen-bauelement |
-
1979
- 1979-12-10 US US06/102,096 patent/US4530072A/en not_active Expired - Lifetime
-
1980
- 1980-10-20 CA CA000362790A patent/CA1161955A/en not_active Expired
- 1980-10-28 JP JP15025280A patent/JPS5683882A/ja active Granted
- 1980-11-20 DE DE8080304162T patent/DE3071457D1/de not_active Expired
- 1980-11-20 EP EP80304162A patent/EP0031647B1/en not_active Expired
- 1980-12-04 AU AU65083/80A patent/AU536680B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0031647B1 (en) | 1986-02-26 |
| AU6508380A (en) | 1981-06-18 |
| JPS6367279B2 (https=) | 1988-12-23 |
| AU536680B2 (en) | 1984-05-17 |
| US4530072A (en) | 1985-07-16 |
| DE3071457D1 (en) | 1986-04-03 |
| JPS5683882A (en) | 1981-07-08 |
| EP0031647A1 (en) | 1981-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |