SE411969B - Anordning for lagring av digital information i form av magnetiska domener - Google Patents
Anordning for lagring av digital information i form av magnetiska domenerInfo
- Publication number
- SE411969B SE411969B SE7609005A SE7609005A SE411969B SE 411969 B SE411969 B SE 411969B SE 7609005 A SE7609005 A SE 7609005A SE 7609005 A SE7609005 A SE 7609005A SE 411969 B SE411969 B SE 411969B
- Authority
- SE
- Sweden
- Prior art keywords
- storage
- digital information
- magnetic domains
- domains
- magnetic
- Prior art date
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
- G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
-
- 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
-
- 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
-
- 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
- G11C19/0833—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 magnetic domain interaction
-
- 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
-
- 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
- G11C19/0866—Detecting magnetic domains
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/45—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices
- H03K3/455—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices using thin films
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Mram Or Spin Memory Techniques (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7509733A NL7509733A (nl) | 1975-08-15 | 1975-08-15 | Inrichting voor magnetische domeinen volgens een dichte pakking. |
| US71294876A | 1976-08-09 | 1976-08-09 | |
| US05/919,466 US4218762A (en) | 1975-08-15 | 1978-06-27 | Device for close-packed magnetic domains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7609005L SE7609005L (sv) | 1977-02-16 |
| SE411969B true SE411969B (sv) | 1980-02-11 |
Family
ID=27351978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7609005A SE411969B (sv) | 1975-08-15 | 1976-08-12 | Anordning for lagring av digital information i form av magnetiska domener |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4218762A (xx) |
| JP (1) | JPS5237732A (xx) |
| BE (1) | BE845198A (xx) |
| CA (1) | CA1083712A (xx) |
| DE (1) | DE2635603A1 (xx) |
| FR (1) | FR2321172A1 (xx) |
| GB (1) | GB1559299A (xx) |
| NL (1) | NL7509733A (xx) |
| SE (1) | SE411969B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7905543A (nl) * | 1979-07-17 | 1981-01-20 | Philips Nv | Geheugen met stroombestuurde serie/parallelomzetting van magnetische beldomeinen. |
| NL8102284A (nl) * | 1981-05-11 | 1982-12-01 | Philips Nv | Stroombestuurd magnetisch domein geheugen. |
| DE3139487A1 (de) * | 1981-10-03 | 1983-04-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | "verfahren zum herstellen einer magnetischen speicherschicht" |
| US5978135A (en) * | 1999-05-03 | 1999-11-02 | Lucent Technologies Inc. | Article comprising a variable optical attenuator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996571A (en) * | 1974-03-08 | 1976-12-07 | International Business Machines Corporation | Double layer bubble domain lattice system |
| US4151602A (en) * | 1975-04-02 | 1979-04-24 | U.S. Philips Corporation | Magnetic bubble multilayer arrangement |
-
1975
- 1975-08-15 NL NL7509733A patent/NL7509733A/xx unknown
-
1976
- 1976-08-07 DE DE19762635603 patent/DE2635603A1/de not_active Withdrawn
- 1976-08-11 CA CA258,885A patent/CA1083712A/en not_active Expired
- 1976-08-12 GB GB33605/76A patent/GB1559299A/en not_active Expired
- 1976-08-12 SE SE7609005A patent/SE411969B/xx unknown
- 1976-08-13 BE BE169822A patent/BE845198A/xx unknown
- 1976-08-13 FR FR7624772A patent/FR2321172A1/fr active Granted
- 1976-08-16 JP JP51097152A patent/JPS5237732A/ja active Granted
-
1978
- 1978-06-27 US US05/919,466 patent/US4218762A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL7509733A (nl) | 1977-02-17 |
| DE2635603A1 (de) | 1977-02-17 |
| JPS5237732A (en) | 1977-03-23 |
| BE845198A (fr) | 1977-02-14 |
| SE7609005L (sv) | 1977-02-16 |
| JPS5718273B2 (xx) | 1982-04-15 |
| GB1559299A (en) | 1980-01-16 |
| US4218762A (en) | 1980-08-19 |
| FR2321172A1 (fr) | 1977-03-11 |
| FR2321172B1 (xx) | 1979-06-29 |
| CA1083712A (en) | 1980-08-12 |
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