GB1354770A - Magnetic devices - Google Patents
Magnetic devicesInfo
- Publication number
- GB1354770A GB1354770A GB2877871A GB2877871A GB1354770A GB 1354770 A GB1354770 A GB 1354770A GB 2877871 A GB2877871 A GB 2877871A GB 2877871 A GB2877871 A GB 2877871A GB 1354770 A GB1354770 A GB 1354770A
- Authority
- GB
- United Kingdom
- Prior art keywords
- domains
- loop
- domain
- permalloy
- reading device
- 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
- 239000004020 conductor Substances 0.000 abstract 3
- 229910000889 permalloy Inorganic materials 0.000 abstract 3
- 230000005374 Kerr effect Effects 0.000 abstract 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000005381 magnetic domain Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000000644 propagated effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 239000007779 soft material Substances 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
- G11C19/0808—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
- G11C19/0841—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 electric current
Landscapes
- Thin Magnetic Films (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4927370A | 1970-06-24 | 1970-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1354770A true GB1354770A (en) | 1974-06-05 |
Family
ID=21958972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2877871A Expired GB1354770A (en) | 1970-06-24 | 1971-06-18 | Magnetic devices |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3636531A (enrdf_load_stackoverflow) |
| BE (1) | BE768895A (enrdf_load_stackoverflow) |
| CH (1) | CH544374A (enrdf_load_stackoverflow) |
| DE (1) | DE2130442A1 (enrdf_load_stackoverflow) |
| ES (1) | ES393083A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2099838A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1354770A (enrdf_load_stackoverflow) |
| IE (1) | IE36253B1 (enrdf_load_stackoverflow) |
| NL (1) | NL7108429A (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735145A (en) * | 1970-10-16 | 1973-05-22 | North American Rockwell | Magnetic bubble domain system |
| US3827036A (en) * | 1971-03-12 | 1974-07-30 | Rockwell International Corp | Magnetic bubble domain system |
| US3790935A (en) * | 1971-03-26 | 1974-02-05 | Bell Canada Northern Electric | Bubble in low coercivity channel |
| US3893089A (en) * | 1971-04-12 | 1975-07-01 | Ibm | Two-phase propagation of cylindrical magnetic domains |
| IT947683B (it) * | 1971-04-12 | 1973-05-30 | Ibm | Sistema di propagazione mediante conduttori di domini magnetici cilindrici |
| US3831156A (en) * | 1971-12-06 | 1974-08-20 | Hughes Aircraft Co | Biasing apparatus for magnetic domain stores |
| US3711840A (en) * | 1971-12-13 | 1973-01-16 | Bell Telephone Labor Inc | Write circuit using enhanced propagation pulses for lateral displacement coding of patterns of single-wall magnetic domains |
| US3711842A (en) * | 1971-12-30 | 1973-01-16 | Bell Telephone Labor Inc | Single wall magnetic domain logic arrangement |
| US3806899A (en) * | 1972-04-10 | 1974-04-23 | Hughes Aircraft Co | Magnetoresistive readout for domain addressing interrogator |
| US3876994A (en) * | 1972-06-22 | 1975-04-08 | Ibm | Planar bias field control of magnetic bubble domain apparatus |
| US3774182A (en) * | 1972-08-15 | 1973-11-20 | Bell Telephone Labor Inc | Conductor-pattern apparatus for controllably inverting the sequence of a serial pattern of single-wall magnetic domains |
| US4207614A (en) * | 1972-09-02 | 1980-06-10 | U.S. Philips Corporation | Magnetic bubble shift register store |
| US3811120A (en) * | 1973-04-05 | 1974-05-14 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement having channels defined by straight line boundaries |
| US3927398A (en) * | 1974-10-21 | 1975-12-16 | Canadian Patents Dev | Magnetic bubble propagation circuit |
| NL7709312A (nl) * | 1977-08-24 | 1979-02-27 | Philips Nv | Inrichting met magnetische bel-domeinen. |
| US7724558B1 (en) * | 1999-03-19 | 2010-05-25 | Nec Corporation | Magnetic signal transmission line |
-
1970
- 1970-06-24 US US49273A patent/US3636531A/en not_active Expired - Lifetime
-
1971
- 1971-06-18 GB GB2877871A patent/GB1354770A/en not_active Expired
- 1971-06-18 NL NL7108429A patent/NL7108429A/xx unknown
- 1971-06-18 CH CH895371A patent/CH544374A/de not_active IP Right Cessation
- 1971-06-19 DE DE19712130442 patent/DE2130442A1/de active Pending
- 1971-06-23 IE IE809/71A patent/IE36253B1/xx unknown
- 1971-06-23 FR FR7122826A patent/FR2099838A5/fr not_active Expired
- 1971-06-23 ES ES393083A patent/ES393083A1/es not_active Expired
- 1971-06-23 BE BE768895A patent/BE768895A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3636531A (en) | 1972-01-18 |
| FR2099838A5 (enrdf_load_stackoverflow) | 1972-03-17 |
| BE768895A (fr) | 1971-11-03 |
| DE2130442A1 (de) | 1971-12-30 |
| IE36253L (en) | 1971-12-24 |
| NL7108429A (enrdf_load_stackoverflow) | 1971-12-28 |
| IE36253B1 (en) | 1976-09-29 |
| CH544374A (de) | 1973-11-15 |
| ES393083A1 (es) | 1974-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |