GB1433901A - Magnetic devices - Google Patents
Magnetic devicesInfo
- Publication number
- GB1433901A GB1433901A GB4002273A GB4002273A GB1433901A GB 1433901 A GB1433901 A GB 1433901A GB 4002273 A GB4002273 A GB 4002273A GB 4002273 A GB4002273 A GB 4002273A GB 1433901 A GB1433901 A GB 1433901A
- Authority
- GB
- United Kingdom
- Prior art keywords
- domain
- loop
- overlay
- overlays
- pulse
- 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 5
- 230000010076 replication Effects 0.000 abstract 4
- 230000000644 propagated effect Effects 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 230000005381 magnetic domain Effects 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 229910000889 permalloy Inorganic materials 0.000 abstract 1
- 239000007779 soft material Substances 0.000 abstract 1
- 239000000758 substrate 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
- G11C19/0875—Organisation of a plurality of magnetic shift registers
-
- 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
- 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
- G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
Landscapes
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28457672A | 1972-08-29 | 1972-08-29 | |
US00309205A US3810133A (en) | 1972-08-29 | 1972-11-24 | Magnetic domain replicator arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1433901A true GB1433901A (en) | 1976-04-28 |
Family
ID=26962683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4002273A Expired GB1433901A (en) | 1972-08-29 | 1973-08-23 | Magnetic devices |
Country Status (11)
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7317437A (nl) * | 1973-12-20 | 1975-06-24 | Philips Nv | Generator voor magnetische domeinen. |
US3913079A (en) * | 1974-01-02 | 1975-10-14 | Ibm | Magnetic bubble domain pump shift register |
US3922652A (en) * | 1974-03-22 | 1975-11-25 | Monsanto Co | Field-accessed magnetic bubble replicator |
US3940751A (en) * | 1974-03-27 | 1976-02-24 | Monsanto Company | Mutually exclusive parallel-sided loops |
GB1500705A (en) * | 1974-05-02 | 1978-02-08 | Plessey Co Ltd | Circular magnetic domain devices |
US4040019A (en) * | 1974-08-23 | 1977-08-02 | Texas Instruments Incorporated | Ion implanted magnetic bubble memory device having major and minor rows |
US4120042A (en) * | 1974-09-11 | 1978-10-10 | Hitachi, Ltd. | Magnetic bubble information writing device |
US3925769A (en) * | 1974-09-27 | 1975-12-09 | Rockwell International Corp | Disk generator |
US4007445A (en) * | 1974-12-31 | 1977-02-08 | International Business Machines Corporation | Minimum structure bubble domain propagation |
US3971005A (en) * | 1975-01-17 | 1976-07-20 | Gte Laboratories Incorporated | Dual access magnetic domain memory |
US3984823A (en) * | 1975-03-21 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Magnetic bubble field-access replicator operative with the drive field in a fixed orientation |
US4007453A (en) * | 1975-03-31 | 1977-02-08 | Bell Telephone Laboratories, Incorporated | Magnetic bubble memory organization |
US4058799A (en) * | 1975-05-19 | 1977-11-15 | Rockwell International Corporation | Block oriented random access bubble memory |
US4032905A (en) * | 1975-09-18 | 1977-06-28 | Rockwell International Corporation | Bubble domain circuit organization |
US4056813A (en) * | 1975-10-20 | 1977-11-01 | Rockwell International Corporation | Passive chevron replicator |
US4067003A (en) * | 1976-02-09 | 1978-01-03 | Rockwell International Corporation | Passive replicator |
JPS52142932A (en) * | 1976-05-25 | 1977-11-29 | Agency Of Ind Science & Technol | Magnetic bubble divider |
US4062003A (en) * | 1976-07-30 | 1977-12-06 | Rockwell International Corporation | One-level magnetic bubble switching device |
NL7608861A (nl) * | 1976-08-10 | 1978-02-14 | Philips Nv | Inrichting met magnetische domeinen. |
JPS5352323A (en) * | 1976-10-25 | 1978-05-12 | Agency Of Ind Science & Technol | Detector for thick film type magnetic bubble |
JPS5352324A (en) * | 1976-10-25 | 1978-05-12 | Agency Of Ind Science & Technol | Detector for thick film type magnetic bubble |
US4138736A (en) * | 1977-07-28 | 1979-02-06 | Rockwell International Corporation | One level switch for magnetic bubble domain devices |
US4128896A (en) * | 1977-07-28 | 1978-12-05 | Rockwell International Corporation | One-level switch for magnetic bubble domain devices |
US4370734A (en) * | 1981-04-13 | 1983-01-25 | The United States Of America As Represented By The Secretary Of The Air Force | Switching method for effecting replication in magnetic bubble devices |
US4386417A (en) * | 1981-06-30 | 1983-05-31 | International Business Machines Corporation | High performance bubble chip architecture |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3611331A (en) * | 1969-12-04 | 1971-10-05 | Bell Telephone Labor Inc | Single wall domain source |
JPS5024071B1 (US20090163788A1-20090625-C00002.png) * | 1970-11-05 | 1975-08-13 | ||
US3676870A (en) * | 1971-05-13 | 1972-07-11 | Bell Telephone Labor Inc | Single wall domain transfer circuit |
BE792287A (fr) * | 1971-12-06 | 1973-03-30 | Western Electric Co | Dispositif de memoire magnetique |
-
1972
- 1972-08-29 US US00284576A patent/US3781833A/en not_active Expired - Lifetime
- 1972-11-24 US US00309205A patent/US3810133A/en not_active Expired - Lifetime
-
1973
- 1973-04-27 CA CA169,761A patent/CA959970A/en not_active Expired
- 1973-06-07 CA CA173,531A patent/CA967681A/en not_active Expired
- 1973-08-23 GB GB4002273A patent/GB1433901A/en not_active Expired
- 1973-08-24 AU AU59610/73A patent/AU5961073A/en not_active Expired
- 1973-08-28 DE DE19732343398 patent/DE2343398A1/de active Pending
- 1973-08-28 ES ES418263A patent/ES418263A1/es not_active Expired
- 1973-08-28 IT IT69576/73A patent/IT994697B/it active
- 1973-08-28 FR FR7331099A patent/FR2198218B1/fr not_active Expired
- 1973-08-29 NL NL7311870A patent/NL7311870A/xx not_active Application Discontinuation
- 1973-08-29 JP JP48096275A patent/JPS4960845A/ja active Pending
- 1973-08-29 BE BE135036A patent/BE804137A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7311870A (US20090163788A1-20090625-C00002.png) | 1974-03-04 |
FR2198218A1 (US20090163788A1-20090625-C00002.png) | 1974-03-29 |
JPS4960845A (US20090163788A1-20090625-C00002.png) | 1974-06-13 |
DE2343398A1 (de) | 1974-03-14 |
ES418263A1 (es) | 1976-06-01 |
FR2198218B1 (US20090163788A1-20090625-C00002.png) | 1976-11-19 |
BE804137A (fr) | 1973-12-17 |
AU5961073A (en) | 1975-02-27 |
US3810133A (en) | 1974-05-07 |
CA959970A (en) | 1974-12-24 |
US3781833A (en) | 1973-12-25 |
CA967681A (en) | 1975-05-13 |
IT994697B (it) | 1975-10-20 |
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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 |