IT1074042B - Apparecchiatura perfezionata per la rivelazione di domini magnetici a bolle in un mezzo magnetico - Google Patents
Apparecchiatura perfezionata per la rivelazione di domini magnetici a bolle in un mezzo magneticoInfo
- Publication number
- IT1074042B IT1074042B IT29810/76A IT2981076A IT1074042B IT 1074042 B IT1074042 B IT 1074042B IT 29810/76 A IT29810/76 A IT 29810/76A IT 2981076 A IT2981076 A IT 2981076A IT 1074042 B IT1074042 B IT 1074042B
- Authority
- IT
- Italy
- Prior art keywords
- magnetic
- detection
- bubble
- domains
- perfected
- 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
- G11C19/0875—Organisation of a plurality of magnetic shift registers
- G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
-
- 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
-
- 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
- G11C19/0875—Organisation of a plurality of magnetic shift registers
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/645,739 US4035785A (en) | 1975-12-31 | 1975-12-31 | Bubble domain sensor-error detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1074042B true IT1074042B (it) | 1985-04-17 |
Family
ID=24590274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT29810/76A IT1074042B (it) | 1975-12-31 | 1976-11-26 | Apparecchiatura perfezionata per la rivelazione di domini magnetici a bolle in un mezzo magnetico |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4035785A (it) |
| JP (1) | JPS5283139A (it) |
| CA (1) | CA1087731A (it) |
| DE (1) | DE2653506A1 (it) |
| FR (1) | FR2337401A1 (it) |
| GB (1) | GB1540849A (it) |
| IT (1) | IT1074042B (it) |
| NL (1) | NL7613124A (it) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54113315A (en) * | 1978-01-30 | 1979-09-04 | Secr Defence Brit | Magnetic reluctance reader |
| US4175289A (en) * | 1978-06-05 | 1979-11-20 | International Business Machines Corporation | Serrated Y-bar magnetic bubble switch |
| US4283774A (en) * | 1979-06-13 | 1981-08-11 | Burroughs Corporation | On-chip method of balancing memory detectors and balanced detectors formed thereby |
| JPS563492A (en) * | 1979-06-20 | 1981-01-14 | Fujitsu Ltd | Magnetic bubble detector |
| FR2480982B1 (fr) * | 1980-04-18 | 1986-01-10 | Commissariat Energie Atomique | Memoire a bulles magnetiques |
| US4432069A (en) * | 1981-01-29 | 1984-02-14 | Intel Corporation | Multiplexed magnetic bubble detectors |
| JPS5856274A (ja) * | 1981-09-30 | 1983-04-02 | Hitachi Ltd | 磁気バブルメモリのセンスアンプ |
| US4485319A (en) * | 1982-02-26 | 1984-11-27 | Motorola, Inc. | Bubble memory sense amplifier |
| US7777607B2 (en) * | 2004-10-12 | 2010-08-17 | Allegro Microsystems, Inc. | Resistor having a predetermined temperature coefficient |
| US7411803B1 (en) * | 2006-02-27 | 2008-08-12 | Richard Lienau | Resistive coupled hall effect sensor |
| US7795862B2 (en) * | 2007-10-22 | 2010-09-14 | Allegro Microsystems, Inc. | Matching of GMR sensors in a bridge |
| US11506732B2 (en) * | 2010-10-20 | 2022-11-22 | Infineon Technologies Ag | XMR sensors with serial segment strip configurations |
| US11187764B2 (en) | 2020-03-20 | 2021-11-30 | Allegro Microsystems, Llc | Layout of magnetoresistance element |
| US12248039B2 (en) | 2023-08-08 | 2025-03-11 | Allegro Microsystems, Llc | Interleaving sub-arrays of magnetoresistance elements based on reference directions to compensate for bridge offset |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3820089A (en) * | 1971-11-16 | 1974-06-25 | Bell Canada Northern Electric | Magnetic bubble domain detection |
| US3858189A (en) * | 1972-12-29 | 1974-12-31 | Ibm | Magneto resistive signal multiplier for sensing magnetic bubble domains |
| JPS5073535A (it) * | 1973-10-31 | 1975-06-17 | ||
| US3883858A (en) * | 1973-12-17 | 1975-05-13 | Ampex | Magnetoresistive readout transducer for sensing magnetic domains in thin film memories |
-
1975
- 1975-12-31 US US05/645,739 patent/US4035785A/en not_active Expired - Lifetime
-
1976
- 1976-09-16 GB GB38427/76A patent/GB1540849A/en not_active Expired
- 1976-11-25 DE DE19762653506 patent/DE2653506A1/de not_active Withdrawn
- 1976-11-25 NL NL7613124A patent/NL7613124A/xx not_active Application Discontinuation
- 1976-11-26 IT IT29810/76A patent/IT1074042B/it active
- 1976-11-29 FR FR7636411A patent/FR2337401A1/fr active Granted
- 1976-12-09 JP JP14721876A patent/JPS5283139A/ja active Granted
- 1976-12-24 CA CA268,765A patent/CA1087731A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5283139A (en) | 1977-07-11 |
| FR2337401B1 (it) | 1980-10-17 |
| GB1540849A (en) | 1979-02-14 |
| NL7613124A (nl) | 1977-07-04 |
| DE2653506A1 (de) | 1977-07-07 |
| JPS5642076B2 (it) | 1981-10-02 |
| FR2337401A1 (fr) | 1977-07-29 |
| CA1087731A (en) | 1980-10-14 |
| US4035785A (en) | 1977-07-12 |
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