JPS62197817U - - Google Patents
Info
- Publication number
- JPS62197817U JPS62197817U JP1987077433U JP7743387U JPS62197817U JP S62197817 U JPS62197817 U JP S62197817U JP 1987077433 U JP1987077433 U JP 1987077433U JP 7743387 U JP7743387 U JP 7743387U JP S62197817 U JPS62197817 U JP S62197817U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- garnet
- moving device
- magnetic domain
- iron garnet
- 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.)
- Granted
Links
- 230000005381 magnetic domain Effects 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 21
- 239000002223 garnet Substances 0.000 claims 13
- 229910052742 iron Inorganic materials 0.000 claims 11
- 239000000463 material Substances 0.000 claims 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims 3
- 150000002910 rare earth metals Chemical class 0.000 claims 3
- 229910052727 yttrium Inorganic materials 0.000 claims 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 3
- 229910052797 bismuth Inorganic materials 0.000 claims 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 239000011572 manganese Substances 0.000 claims 2
- 229910052688 Gadolinium Inorganic materials 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims 1
- 230000001902 propagating effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 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
-
- 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
-
- 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)
Description
図は本考案の説明に供するパブル磁区装置の一
例を示す略線図である。 １……基板、２……バブル磁区層、３……界面
、４……表面、５……シフトレジスタ、６……＋
符号（磁区）、７，８，８ａ，８ｂ…８ｎ……導
体ループ、９……磁区伝播装置、１０……−符号
、１２〜１４……導体、２０……磁区発生器、２
１……磁区検出器。
例を示す略線図である。 １……基板、２……バブル磁区層、３……界面
、４……表面、５……シフトレジスタ、６……＋
符号（磁区）、７，８，８ａ，８ｂ…８ｎ……導
体ループ、９……磁区伝播装置、１０……−符号
、１２〜１４……導体、２０……磁区発生器、２
１……磁区検出器。
Claims (1)
- 【実用新案登録請求の範囲】 １ 局部的に取り囲まれた磁区を支持出来る鉄ガ
ーネツトの層２を担持する単結晶非磁性基板１を
含み、前記層は前記非磁性基板１上に圧縮状態下
で成長され機械的歪誘導一軸磁気異方性成分を有
しており、前記鉄ガーネツトは正の磁歪定数をも
つたタイプの鉄ガーネツト材料となした、磁区６
を移動させるための磁区移動装置において、前記
鉄ガーネツトは鉄格子位置の一部分にマンガンを
具えかつ十二面体格子位置占有物が磁壁移動度に
対し実質的に影響を及ぼさない材料から成り、前
記材料は希士類ガリウムーガーネツト基板の１０
０面上に堆積されていることを特徴とする磁区移
動装置。 ２ 前記磁区を安定化するため前記層を磁気的に
バイアスするための第１手段と、斯様な磁区を励
起するための第２手段７と、斯様な磁区の存在を
検出するための第３手段８ｎ，２１と、斯様な磁
区を伝播させるための第４手段８，８ａ，８ｂ，
９とを備えることを特徴とする実用新案登録請求
の範囲１記載の磁区移動装置。 ３ 非磁性ガーネツト材料は第１特性格子パラメ
ータａ０を有し及び鉄ガーネツトは第２特性格子
パラメータａ１を有し、ここにおいて、ａ１〉ａ
０としおよび、 −１×１０−２〈ａ０−ａ１ａ０〈−１×１０
−３ であることを特徴とする実用新案登録請求の範囲
１記載の磁区移動装置。 ４ 磁性鉄ガーネツトは十二面体位置にガドリニ
ウム及びイツトリウムから成る群から選ばれた少
なくとも１個の元素を具えた材料から成ることを
特徴とする実用新案登録請求の範囲１記載の磁区
移動装置。 ５ 磁性鉄ガーネツトはガーネツト格子の十二面
体位置にビスマス及びイツトリウムを具える材料
から成ることを特徴とする実用新案登録請求の範
囲１記載の磁区移動装置。 ６ 磁性鉄ガーネツトはガーネツト格子の十二面
体位置にビスマス、イツトリウム及び希土類金属
を具えることを特徴とする実用新案登録請求の範
囲１記載の磁区移動装置。 ７ 磁性鉄ガーネツトは式、 ｛Ｂｉ，Ｙ，ＲＥ｝３（Ｆｅ，Ｍｎ，Ｑ）５０
１２で、 表わされ得る材料から成り、ここにおいてＲＥは
希土類金属から成る群から選ばれた少なくとも１
個の希土類金属であり及びＱはＧｅ，Ｓｉ，Ａｌ
及びＧａからなる群から選ばれた少なくとも１個
の元素であることを特徴とする実用新案登録請求
の範囲６記載の磁区移動装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8004201A NL8004201A (nl) | 1980-07-22 | 1980-07-22 | Inrichting voor de voortbeweging van magnetische domeinen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62197817U true JPS62197817U (ja) | 1987-12-16 |
| JPH0219932Y2 JPH0219932Y2 (ja) | 1990-05-31 |
Family
ID=19835654
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56112382A Pending JPS5752113A (en) | 1980-07-22 | 1981-07-20 | Magnetic domain moving device |
| JP1987077433U Expired JPH0219932Y2 (ja) | 1980-07-22 | 1987-05-25 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56112382A Pending JPS5752113A (en) | 1980-07-22 | 1981-07-20 | Magnetic domain moving device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4435484A (ja) |
| EP (1) | EP0044586B1 (ja) |
| JP (2) | JPS5752113A (ja) |
| DE (1) | DE3165225D1 (ja) |
| NL (1) | NL8004201A (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5972707A (ja) * | 1982-10-20 | 1984-04-24 | Hitachi Ltd | 磁性ガーネット膜 |
| US4584237A (en) * | 1983-04-04 | 1986-04-22 | Litton Systems, Inc. | Multilayer magneto-optic device |
| US4728178A (en) * | 1984-07-02 | 1988-03-01 | Allied Corporation | Faceted magneto-optical garnet layer and light modulator using the same |
| EP0166924A3 (en) * | 1984-07-02 | 1987-02-04 | Allied Corporation | Faceted magneto-optical garnet layer |
| FR2572844B1 (fr) * | 1984-11-02 | 1986-12-26 | Commissariat Energie Atomique | Materiau magnetique du type grenat, film magnetique a forte rotation faraday comportant un tel materiau et son procede de fabrication |
| JPH0653267B2 (ja) * | 1985-11-15 | 1994-07-20 | トヨタ自動車株式会社 | 金属部品の樹脂コ−テイング方法 |
| US5021302A (en) * | 1986-08-15 | 1991-06-04 | At&T Bell Laboratories | Bismuth-iron garnets with large growth-induced magnetic anisotropy |
| JPH0354198A (ja) * | 1989-07-20 | 1991-03-08 | Shin Etsu Chem Co Ltd | 酸化物ガーネット単結晶 |
| JP2904668B2 (ja) * | 1993-02-10 | 1999-06-14 | 信越化学工業株式会社 | 静磁波素子用ガーネット磁性酸化物単結晶とその製造方法および静磁波素子 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929497A (ja) * | 1972-07-18 | 1974-03-15 | ||
| JPS5389998A (en) * | 1977-01-17 | 1978-08-08 | Philips Nv | Magnetic * structural unit for magnetic bubble |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3745046A (en) | 1970-12-28 | 1973-07-10 | North American Rockwell | Method for producing bubble domains in magnetic film-substrate structures |
| DE2232902A1 (de) | 1971-08-04 | 1973-02-15 | Ibm | Magnetische granat-einkristallschicht |
| CA1028055A (en) * | 1973-07-02 | 1978-03-14 | Rodney D. Henry | Magnetic bubble domain composite with hard bubble suppression |
| US4018692A (en) | 1973-10-04 | 1977-04-19 | Rca Corporation | Composition for making garnet films for improved magnetic bubble devices |
-
1980
- 1980-07-22 NL NL8004201A patent/NL8004201A/nl not_active Application Discontinuation
-
1981
- 1981-06-18 US US06/274,974 patent/US4435484A/en not_active Expired - Fee Related
- 1981-07-03 EP EP81200763A patent/EP0044586B1/en not_active Expired
- 1981-07-03 DE DE8181200763T patent/DE3165225D1/de not_active Expired
- 1981-07-20 JP JP56112382A patent/JPS5752113A/ja active Pending
-
1987
- 1987-05-25 JP JP1987077433U patent/JPH0219932Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929497A (ja) * | 1972-07-18 | 1974-03-15 | ||
| JPS5389998A (en) * | 1977-01-17 | 1978-08-08 | Philips Nv | Magnetic * structural unit for magnetic bubble |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0044586A2 (en) | 1982-01-27 |
| EP0044586A3 (en) | 1982-02-03 |
| NL8004201A (nl) | 1982-02-16 |
| DE3165225D1 (en) | 1984-09-06 |
| JPS5752113A (en) | 1982-03-27 |
| EP0044586B1 (en) | 1984-08-01 |
| US4435484A (en) | 1984-03-06 |
| JPH0219932Y2 (ja) | 1990-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Walker et al. | Experimental temperature dependence of the magnetization of surface layers of Fe at interfaces with nonmagnetic materials | |
| JPS62197817U (ja) | ||
| JPH08507160A (ja) | 薄膜磁気光学偏光回転子 | |
| EP0814519A3 (en) | Magnetoresistive effect device, process for fabricating the same, and magnetic head produced using the same | |
| JPS61114599U (ja) | ||
| JPS5735657A (en) | Material for temperature sensitive element | |
| Jeffers et al. | Metal-in-gap record head | |
| EP0811851A3 (en) | Faraday rotator having a rectangular shaped hysteresis | |
| Bozorth | Magnetic domain patterns | |
| JPH09186016A (ja) | 交換結合磁性材料を含む製品 | |
| JPS5743483A (en) | Magnetoelectric transducer | |
| GB1368348A (en) | Magnetic devices | |
| Kawamata et al. | Magnetic and transport properties of UTGe (T: Ni, Pd and Pt) | |
| Kurtzig et al. | Correlation of domain wall mobility with gallium concentration in bubble garnets | |
| WO1995034885A3 (en) | Magneto-optical recording medium | |
| KR870001704A (ko) | Yig 박막 마이크로파 장치 | |
| EP0970468B1 (en) | Methods for creating a magnetically permeable film | |
| Weng et al. | Domain wall mobility in rare earth-transition metal alloys | |
| CN1083959A (zh) | 薄膜磁头 | |
| Gyorgy et al. | Magnetoresistance of rare earth iron garnets | |
| Wu et al. | Geometric shape dependence of coercivity for patterned magnetic thin films | |
| Gyorgy | The Imperfect Solid—Magnetic Properties | |
| Iwasaki | Soft magnetic properties of sputtered Co‐Fe films | |
| Il'yasov et al. | Effect of Magnetomechanical Attenuation on Resonance Electromagnetic-Acoustic Transformation in Ferromagnetic Materials | |
| JPH0369597A (ja) | 磁気光学ガーネット |