GB1495106A - Magnetic bias arrangement for bubble domain devices - Google Patents
Magnetic bias arrangement for bubble domain devicesInfo
- Publication number
- GB1495106A GB1495106A GB7857/76A GB785776A GB1495106A GB 1495106 A GB1495106 A GB 1495106A GB 7857/76 A GB7857/76 A GB 7857/76A GB 785776 A GB785776 A GB 785776A GB 1495106 A GB1495106 A GB 1495106A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic bias
- bias arrangement
- bubble domain
- domain devices
- magnetic 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 abstract 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 229910000889 permalloy Inorganic materials 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
- H01F7/0284—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles using a trimmable or adjustable magnetic circuit, e.g. for a symmetric dipole or quadrupole magnetic field
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58746675A | 1975-06-16 | 1975-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1495106A true GB1495106A (en) | 1977-12-14 |
Family
ID=24349914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7857/76A Expired GB1495106A (en) | 1975-06-16 | 1976-02-27 | Magnetic bias arrangement for bubble domain devices |
Country Status (8)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2811088A1 (de) * | 1977-03-17 | 1978-09-28 | Plessey Handel Investment Ag | Magnetblasen-bauelement |
| US4153948A (en) * | 1978-02-27 | 1979-05-08 | Burroughs Corporation | Adjustable magnetic bias field structure for magnetic bubble devices |
| DE3070069D1 (en) * | 1979-10-04 | 1985-03-14 | Fujitsu Ltd | Magnetic bubble memory device |
| US4530072A (en) * | 1979-12-10 | 1985-07-16 | Control Data Corporation | Bubble memory bias field structure |
| US4692898A (en) * | 1980-11-06 | 1987-09-08 | Control Data Corp. | Bubble memory bias field structure |
| US4835739A (en) * | 1987-08-04 | 1989-05-30 | Grumman Aerospace Corporation | Mass storage bubble memory system |
| JPH03119129U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1990-03-17 | 1991-12-09 | ||
| JPH04113607U (ja) * | 1991-03-25 | 1992-10-05 | イビデン株式会社 | 断熱床パネル |
| KR102765902B1 (ko) * | 2023-06-12 | 2025-02-11 | 주식회사 마이크로시스 | 플라스틱 하우징을 갖는 필터조립체의 실링구조 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001792A (en) * | 1974-05-17 | 1977-01-04 | Plessey Handel Und Investments A.G. | Drive field for circular magnetic domain devices |
| US4027298A (en) * | 1975-11-05 | 1977-05-31 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory bias magnet arrangement |
-
1976
- 1976-01-21 CA CA243,989A patent/CA1074915A/en not_active Expired
- 1976-02-03 IT IT47937/76A patent/IT1053922B/it active
- 1976-02-16 FR FR7604193A patent/FR2315159A1/fr active Granted
- 1976-02-27 GB GB7857/76A patent/GB1495106A/en not_active Expired
- 1976-03-04 NL NL7602253A patent/NL7602253A/xx not_active Application Discontinuation
- 1976-04-13 JP JP51042320A patent/JPS52134A/ja active Granted
- 1976-05-18 DE DE19762621957 patent/DE2621957A1/de active Pending
- 1976-10-27 US US05/736,037 patent/US4091362A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL7602253A (nl) | 1976-12-20 |
| JPS5610712B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-03-10 |
| CA1074915A (en) | 1980-04-01 |
| US4091362A (en) | 1978-05-23 |
| FR2315159B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-07-04 |
| JPS52134A (en) | 1977-01-05 |
| FR2315159A1 (fr) | 1977-01-14 |
| IT1053922B (it) | 1981-10-10 |
| DE2621957A1 (de) | 1976-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |