DE2313380A1 - Abfuehlelement fuer magnetische zylindrische einzelwanddomaenen - Google Patents
Abfuehlelement fuer magnetische zylindrische einzelwanddomaenenInfo
- Publication number
- DE2313380A1 DE2313380A1 DE2313380A DE2313380A DE2313380A1 DE 2313380 A1 DE2313380 A1 DE 2313380A1 DE 2313380 A DE2313380 A DE 2313380A DE 2313380 A DE2313380 A DE 2313380A DE 2313380 A1 DE2313380 A1 DE 2313380A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- tunnel
- sensing element
- semiconductor
- single wall
- 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.)
- Pending
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 190
- 239000004065 semiconductor Substances 0.000 claims description 85
- 230000004888 barrier function Effects 0.000 claims description 82
- 230000008859 change Effects 0.000 claims description 39
- 239000004020 conductor Substances 0.000 claims description 26
- 239000012212 insulator Substances 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 20
- 230000035945 sensitivity Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 15
- 239000002800 charge carrier Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 230000005381 magnetic domain Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009022 nonlinear effect Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- AGVAZMGAQJOSFJ-WZHZPDAFSA-M cobalt(2+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+2].N#[C-].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O AGVAZMGAQJOSFJ-WZHZPDAFSA-M 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- GDHNMQIBSKTFPO-UHFFFAOYSA-N lanthanum silver Chemical compound [Ag].[La] GDHNMQIBSKTFPO-UHFFFAOYSA-N 0.000 description 1
- 230000009021 linear effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004347 surface barrier Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/40—Devices controlled by magnetic fields
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
-
- 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
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU65465/74A AU475659B2 (en) | 1973-03-13 | 1974-02-11 | Three-point attachment device particularly fora tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00265943A US3840865A (en) | 1972-06-23 | 1972-06-23 | Detection of magnetic domains by tunnel junctions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2313380A1 true DE2313380A1 (de) | 1974-01-24 |
Family
ID=23012520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2313380A Pending DE2313380A1 (de) | 1972-06-23 | 1973-03-13 | Abfuehlelement fuer magnetische zylindrische einzelwanddomaenen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3840865A (enExample) |
| JP (1) | JPS4936234A (enExample) |
| DE (1) | DE2313380A1 (enExample) |
| FR (1) | FR2189746B1 (enExample) |
| GB (1) | GB1400961A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988739A (en) * | 1975-03-26 | 1976-10-26 | International Business Machines Corporation | Input device for scanning documents with magnetic bubble printing |
| US4012724A (en) * | 1975-11-28 | 1977-03-15 | Sperry Rand Corporation | Method of improving the operation of a single wall domain memory system |
| NL8300602A (nl) * | 1983-02-17 | 1984-09-17 | Stichting Katholieke Univ | Half-metallisch ferro- resp. ferrimagnetisch materiaal en inrichting waarin dergelijk materiaal wordt toegepast. |
| JP3540083B2 (ja) * | 1996-02-23 | 2004-07-07 | 富士通株式会社 | 磁気センサ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL271183A (enExample) * | 1960-11-14 | |||
| NL274072A (enExample) * | 1961-02-02 | |||
| US3541400A (en) * | 1968-10-04 | 1970-11-17 | Ibm | Magnetic field controlled ferromagnetic tunneling device |
-
1972
- 1972-06-23 US US00265943A patent/US3840865A/en not_active Expired - Lifetime
-
1973
- 1973-02-14 GB GB713073A patent/GB1400961A/en not_active Expired
- 1973-02-28 JP JP48023406A patent/JPS4936234A/ja active Pending
- 1973-03-01 FR FR7308013A patent/FR2189746B1/fr not_active Expired
- 1973-03-13 DE DE2313380A patent/DE2313380A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4936234A (enExample) | 1974-04-04 |
| FR2189746A1 (enExample) | 1974-01-25 |
| US3840865A (en) | 1974-10-08 |
| GB1400961A (en) | 1975-07-16 |
| FR2189746B1 (enExample) | 1976-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |