GB1367121A - Method for producing bubble domains in magnetic film-substrate struc tures - Google Patents
Method for producing bubble domains in magnetic film-substrate struc turesInfo
- Publication number
- GB1367121A GB1367121A GB5945371A GB5945371A GB1367121A GB 1367121 A GB1367121 A GB 1367121A GB 5945371 A GB5945371 A GB 5945371A GB 5945371 A GB5945371 A GB 5945371A GB 1367121 A GB1367121 A GB 1367121A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substrate
- film
- magnetic film
- dec
- rare earth
- 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
- 239000000758 substrate Substances 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 abstract 2
- 229910002608 Gd3Fe5O12 Inorganic materials 0.000 abstract 1
- 238000005229 chemical vapour deposition Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 239000002223 garnet Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 abstract 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
- H01F41/28—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids by liquid phase epitaxy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Magnetic Films (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
1367121 Rare earth iron garnet films ROCKWELL INTERNATIONAL CORP 21 Dec 1971 [28 Dec 1970] 59453/71 Headings C1A and C1J [Also in Division H3] A method of producing a bubble domaincontaining, film-substrate structure comprises the steps of depositing on a substrate a magnetic film of a single crystal material having a negative magneto-striction constant along a crystallographic axis-oriented approximately normal to the plane of the film, in which the magnetic film has a lattice constant which exceeds the lattice constant of the substrate by an amount at least equal to 0À035 at room temperature, and in which the coefficient of thermal expansion of the substrate is the same or lower than that of the film by an amount not more than 1 x 10<-6>/ C. The film may be deposited by chemical vapour deposition techniques. The film and substrate may both be garnets, e.g. Gd3Fe5O12 on Sm3Ga5O12 and Y3Ga1À2Fe3À8O12 on Y3Al5O12, Tb3Ga5O12 and Dy3Ga5O12, the orientations being (111) or (110). Other simple rare earth iron garnets are listed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10178770A | 1970-12-28 | 1970-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1367121A true GB1367121A (en) | 1974-09-18 |
Family
ID=22286409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5945371A Expired GB1367121A (en) | 1970-12-28 | 1971-12-21 | Method for producing bubble domains in magnetic film-substrate struc tures |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3788896A (en) |
| CA (1) | CA921775A (en) |
| DE (1) | DE2165296C3 (en) |
| FR (1) | FR2121046A5 (en) |
| GB (1) | GB1367121A (en) |
| NL (1) | NL7115050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127398A (en) * | 1982-09-21 | 1984-04-11 | Philips Nv | Disc resonators |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946124A (en) * | 1970-03-04 | 1976-03-23 | Rockwell International Corporation | Method of forming a composite structure |
| NL7606482A (en) * | 1976-06-16 | 1977-12-20 | Philips Nv | EenKRISTZL OF CALCIUM-GALLIUM-GERMANIUM GRAINATE, AND SUBSTRATE MANUFACTURED FROM SUCH EenKRISTZL WITH AN EPITAXIALLY GROWN BELDO-MEINFILM. |
| NL7607959A (en) * | 1976-07-19 | 1978-01-23 | Philips Nv | MAGNETIC BUBBLE DOMAIN MATERIAL. |
-
1970
- 1970-12-28 US US00101787A patent/US3788896A/en not_active Expired - Lifetime
-
1971
- 1971-10-04 CA CA124643A patent/CA921775A/en not_active Expired
- 1971-11-02 NL NL7115050A patent/NL7115050A/xx active Search and Examination
- 1971-12-21 GB GB5945371A patent/GB1367121A/en not_active Expired
- 1971-12-23 DE DE2165296A patent/DE2165296C3/en not_active Expired
- 1971-12-28 FR FR7147180A patent/FR2121046A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127398A (en) * | 1982-09-21 | 1984-04-11 | Philips Nv | Disc resonators |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7115050A (en) | 1972-06-30 |
| FR2121046A5 (en) | 1972-08-18 |
| US3788896A (en) | 1974-01-29 |
| DE2165296B2 (en) | 1974-01-31 |
| DE2165296C3 (en) | 1974-09-26 |
| CA921775A (en) | 1973-02-27 |
| DE2165296A1 (en) | 1972-07-13 |
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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 |