GB1369493A - Method of manufacturing a polycrystalline ferrite body - Google Patents
Method of manufacturing a polycrystalline ferrite bodyInfo
- Publication number
- GB1369493A GB1369493A GB4624671A GB4624671A GB1369493A GB 1369493 A GB1369493 A GB 1369493A GB 4624671 A GB4624671 A GB 4624671A GB 4624671 A GB4624671 A GB 4624671A GB 1369493 A GB1369493 A GB 1369493A
- Authority
- GB
- United Kingdom
- Prior art keywords
- added
- grain growth
- sintering
- ferrite body
- ferrites
- 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
- 229910000859 α-Fe Inorganic materials 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 3
- 238000005245 sintering Methods 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 230000001737 promoting effect Effects 0.000 abstract 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 229910018605 Ni—Zn Inorganic materials 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 229910001632 barium fluoride Inorganic materials 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910001637 strontium fluoride Inorganic materials 0.000 abstract 1
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/58—Processes of forming magnets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7014697A NL7014697A (en) | 1970-10-07 | 1970-10-07 | Polycrystalline ferrites - contg grain growth promoters added before sintering |
| NL7111359A NL7111359A (en) | 1971-08-18 | 1971-08-18 | Polycrystalline ferrites - contg grain growth promoters added before sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1369493A true GB1369493A (en) | 1974-10-09 |
Family
ID=26644585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4624671A Expired GB1369493A (en) | 1970-10-07 | 1971-10-05 | Method of manufacturing a polycrystalline ferrite body |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3837910A (enExample) |
| JP (1) | JPS5229439B1 (enExample) |
| AT (1) | AT313600B (enExample) |
| BE (1) | BE773528A (enExample) |
| CA (1) | CA975154A (enExample) |
| DE (1) | DE2148554A1 (enExample) |
| FR (1) | FR2111100A5 (enExample) |
| GB (1) | GB1369493A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6909395B1 (en) * | 1975-04-10 | 2005-06-21 | The United States Of America As Represented By The Secretary Of The Air Force | Radar absorbing coatings |
| US4521323A (en) * | 1984-06-27 | 1985-06-04 | Matsushita Electric Industrial Co., Ltd. | Polycrystalline ferrite and a magnetic head using the same |
| JPS63319253A (ja) * | 1987-06-19 | 1988-12-27 | Mitsubishi Electric Corp | 低損失酸化物磁性材料 |
| GB2220935B (en) * | 1988-07-18 | 1992-12-23 | Mitsubishi Electric Corp | Magnetic oxide material |
| US5028348A (en) * | 1988-12-19 | 1991-07-02 | Murata Manufacturing Co., Ltd. | Magnetic material for high frequencies |
| US5645774A (en) * | 1989-09-19 | 1997-07-08 | Ferronics Incorporated | Method for establishing a target magnetic permeability in a ferrite |
| JPH05114110A (ja) * | 1991-10-22 | 1993-05-07 | Hitachi Metals Ltd | 磁歪振動ノイズを減少させた浮上型磁気ヘツド |
| JP3635410B2 (ja) * | 1992-12-28 | 2005-04-06 | Ｔｄｋ株式会社 | マンガン−亜鉛系フェライトの製造方法 |
| JP3743795B2 (ja) | 1999-09-17 | 2006-02-08 | Ｔｄｋ株式会社 | マンガン−亜鉛系フェライトの製造方法 |
| US6993394B2 (en) * | 2002-01-18 | 2006-01-31 | Calfacion Corporation | System method and apparatus for localized heating of tissue |
| US7048756B2 (en) * | 2002-01-18 | 2006-05-23 | Apasara Medical Corporation | System, method and apparatus for evaluating tissue temperature |
| US7450344B2 (en) * | 2003-11-12 | 2008-11-11 | Intri-Plex Technologies, Inc. | Remelted Magnetic head support structure in a disk drive |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2992990A (en) * | 1956-01-05 | 1961-07-18 | Richard G Parker | Soft magnetic material |
| US3002930A (en) * | 1956-12-03 | 1961-10-03 | Philips Corp | Process of making a ferromagnetic body |
| NL6904352A (enExample) * | 1969-03-20 | 1970-09-22 |
-
1971
- 1971-09-29 DE DE19712148554 patent/DE2148554A1/de active Pending
- 1971-10-04 CA CA124,280A patent/CA975154A/en not_active Expired
- 1971-10-04 US US00186254A patent/US3837910A/en not_active Expired - Lifetime
- 1971-10-04 AT AT853971A patent/AT313600B/de not_active IP Right Cessation
- 1971-10-05 GB GB4624671A patent/GB1369493A/en not_active Expired
- 1971-10-05 BE BE773528A patent/BE773528A/xx unknown
- 1971-10-06 JP JP7178595A patent/JPS5229439B1/ja active Pending
- 1971-10-07 FR FR7136101A patent/FR2111100A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2111100A5 (enExample) | 1972-06-02 |
| AT313600B (de) | 1974-02-25 |
| DE2148554A1 (de) | 1972-04-13 |
| CA975154A (en) | 1975-09-30 |
| BE773528A (fr) | 1972-04-05 |
| JPS5229439B1 (enExample) | 1977-08-02 |
| US3837910A (en) | 1974-09-24 |
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| GB1227459A (enExample) | ||
| JPH03248404A (ja) | 低損失フェライト | |
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| SU112742A1 (ru) | Способ изготовлени ферритов с заданным температурным коэффициентом магнитной проницаемости | |
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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 |