DE2637380C2 - Magnetblasenvorrichtung - Google Patents
MagnetblasenvorrichtungInfo
- Publication number
- DE2637380C2 DE2637380C2 DE2637380A DE2637380A DE2637380C2 DE 2637380 C2 DE2637380 C2 DE 2637380C2 DE 2637380 A DE2637380 A DE 2637380A DE 2637380 A DE2637380 A DE 2637380A DE 2637380 C2 DE2637380 C2 DE 2637380C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- bubble
- layer
- field strength
- temperature
- 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
- 230000005291 magnetic effect Effects 0.000 title claims description 58
- 239000002223 garnet Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 18
- 238000006467 substitution reaction Methods 0.000 claims description 14
- 229910052765 Lutetium Inorganic materials 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 12
- 229910052775 Thulium Inorganic materials 0.000 claims description 3
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 230000010365 information processing Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 239000011575 calcium Substances 0.000 description 13
- 230000006978 adaptation Effects 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical group [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 229910052712 strontium Inorganic materials 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- ZPDRQAVGXHVGTB-UHFFFAOYSA-N gallium;gadolinium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Gd+3] ZPDRQAVGXHVGTB-UHFFFAOYSA-N 0.000 description 4
- MTRJKZUDDJZTLA-UHFFFAOYSA-N iron yttrium Chemical class [Fe].[Y] MTRJKZUDDJZTLA-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 229910052727 yttrium Inorganic materials 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910052810 boron oxide Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 229910052693 Europium Inorganic materials 0.000 description 2
- 150000001169 Lutetium Chemical class 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- -1 one iron ion Chemical class 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- BFFAIJCDRVFYCQ-UHFFFAOYSA-N [Pb]=O.[B]=O Chemical compound [Pb]=O.[B]=O BFFAIJCDRVFYCQ-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 230000005308 ferrimagnetism Effects 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 150000003746 yttrium Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites
- H01F10/24—Garnets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/607,379 US4002803A (en) | 1975-08-25 | 1975-08-25 | Magnetic bubble devices with controlled temperature characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2637380A1 DE2637380A1 (de) | 1977-03-03 |
| DE2637380C2 true DE2637380C2 (de) | 1982-06-03 |
Family
ID=24432016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2637380A Expired DE2637380C2 (de) | 1975-08-25 | 1976-08-19 | Magnetblasenvorrichtung |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4002803A (OSRAM) |
| JP (1) | JPS5226126A (OSRAM) |
| BE (1) | BE845370A (OSRAM) |
| CA (1) | CA1068819A (OSRAM) |
| DE (1) | DE2637380C2 (OSRAM) |
| ES (1) | ES450961A1 (OSRAM) |
| FR (1) | FR2322430A1 (OSRAM) |
| GB (1) | GB1553397A (OSRAM) |
| NL (1) | NL7609356A (OSRAM) |
| SE (1) | SE412968B (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139905A (en) * | 1976-06-14 | 1979-02-13 | Bell Telephone Laboratories, Incorporated | Magnetic devices utilizing garnet epitaxial materials |
| JPS6011450B2 (ja) * | 1976-10-08 | 1985-03-26 | 株式会社日立製作所 | 泡磁区素子用ガ−ネツト単結晶膜 |
| NL7700419A (nl) * | 1977-01-17 | 1978-07-19 | Philips Nv | Magnetisch beldomein materiaal. |
| US4165410A (en) * | 1977-06-03 | 1979-08-21 | Bell Telephone Laboratories, Incorporated | Magnetic bubble devices with controlled temperature characteristics |
| FR2466836B1 (fr) * | 1979-10-03 | 1985-08-30 | Commissariat Energie Atomique | Procede pour regler la dimension des bulles d'elements a bulles magnetiques |
| JPS57128911A (en) * | 1981-02-04 | 1982-08-10 | Fujitsu Ltd | Magnetic film for magnetic bubble memory |
| US4647514A (en) * | 1981-11-09 | 1987-03-03 | At&T Bell Laboratories | Magnetic domain device having a wide operational temperature range |
| US4419417A (en) * | 1981-11-09 | 1983-12-06 | Bell Telephone Laboratories, Incorporated | Magnetic domain device having a wide operational temperature range |
| US4468438A (en) * | 1981-12-07 | 1984-08-28 | At&T Bell Laboratories | Garnet epitaxial films with high Curie temperatures |
| IT1148133B (it) * | 1982-03-11 | 1986-11-26 | Selenia Ind Elettroniche | Granati ferrimagnetici sintetici al calcio-vanadio con migliorate caratteristiche d'isteresi in temperatura |
| US4520460A (en) * | 1983-08-15 | 1985-05-28 | Allied Corporation | Temperature stable magnetic bubble compositions |
| US9263175B2 (en) | 2011-06-06 | 2016-02-16 | Skyworks Solutions, Inc. | Rare earth reduced garnet systems and related microwave applications |
| CN119601328B (zh) * | 2023-09-11 | 2025-11-21 | 清华大学 | 一种具有强垂直各向异性的硬磁材料及其制备和应用 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3460116A (en) * | 1966-09-16 | 1969-08-05 | Bell Telephone Labor Inc | Magnetic domain propagation circuit |
| US3534346A (en) * | 1968-05-28 | 1970-10-13 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3541534A (en) * | 1968-10-28 | 1970-11-17 | Bell Telephone Labor Inc | Magnetic domain propagation arrangement |
| US3643238A (en) * | 1969-11-17 | 1972-02-15 | Bell Telephone Labor Inc | Magnetic devices |
| US3646529A (en) * | 1970-04-20 | 1972-02-29 | Bell Telephone Labor Inc | Magnetic devices utilizing garnet compositions |
| US3665427A (en) * | 1970-04-20 | 1972-05-23 | Bell Telephone Labor Inc | Magnetic devices utilizing garnet compositions |
| US3633185A (en) * | 1970-05-22 | 1972-01-04 | Bell Telephone Labor Inc | Single-wall domain generator |
| US3673582A (en) * | 1971-05-17 | 1972-06-27 | Rca Corp | Bubble domain sonic propagation device |
| US3792452A (en) * | 1971-06-10 | 1974-02-12 | Bell Telephone Labor Inc | Magnetic devices utilizing ion-implanted magnetic materials |
| US3711841A (en) * | 1971-12-22 | 1973-01-16 | Bell Telephone Labor Inc | Single wall domain arrangement |
| JPS5225000B2 (OSRAM) * | 1972-08-11 | 1977-07-05 | ||
| US3845477A (en) * | 1972-11-24 | 1974-10-29 | Bell Telephone Labor Inc | Method for controlling magnetization in garnet material and devices so produced |
| US3886533A (en) * | 1973-07-20 | 1975-05-27 | Bell Telephone Labor Inc | Magnetic devices utilizing garnet epitaxial material |
| US3949386A (en) * | 1973-11-12 | 1976-04-06 | International Business Machines Corporation | Bubble domain devices using garnet materials with single rare earth ion on all dodecahedral sites |
| JPS5151793A (en) * | 1974-10-31 | 1976-05-07 | Fujitsu Ltd | Baburudomeinyo gaanetsutojiseihakumaku |
-
1975
- 1975-08-25 US US05/607,379 patent/US4002803A/en not_active Expired - Lifetime
-
1976
- 1976-07-15 CA CA257,087A patent/CA1068819A/en not_active Expired
- 1976-08-13 SE SE7609090A patent/SE412968B/xx unknown
- 1976-08-18 FR FR7625130A patent/FR2322430A1/fr active Granted
- 1976-08-19 DE DE2637380A patent/DE2637380C2/de not_active Expired
- 1976-08-20 BE BE169951A patent/BE845370A/xx unknown
- 1976-08-23 NL NL7609356A patent/NL7609356A/xx not_active Application Discontinuation
- 1976-08-24 JP JP51100282A patent/JPS5226126A/ja active Pending
- 1976-08-25 ES ES450961A patent/ES450961A1/es not_active Expired
- 1976-08-25 GB GB35322/76A patent/GB1553397A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2322430B1 (OSRAM) | 1981-08-07 |
| NL7609356A (nl) | 1977-03-01 |
| FR2322430A1 (fr) | 1977-03-25 |
| BE845370A (fr) | 1976-12-16 |
| SE412968B (sv) | 1980-03-24 |
| CA1068819A (en) | 1979-12-25 |
| JPS5226126A (en) | 1977-02-26 |
| ES450961A1 (es) | 1977-08-16 |
| GB1553397A (en) | 1979-09-26 |
| SE7609090L (sv) | 1977-02-26 |
| DE2637380A1 (de) | 1977-03-03 |
| US4002803A (en) | 1977-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8125 | Change of the main classification | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |