JPS61150201A - 耐食性のすぐれた永久磁石 - Google Patents
耐食性のすぐれた永久磁石Info
- Publication number
- JPS61150201A JPS61150201A JP59278489A JP27848984A JPS61150201A JP S61150201 A JPS61150201 A JP S61150201A JP 59278489 A JP59278489 A JP 59278489A JP 27848984 A JP27848984 A JP 27848984A JP S61150201 A JPS61150201 A JP S61150201A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- atomic
- ion
- phase
- thin film
- 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
- 238000007747 plating Methods 0.000 claims abstract description 16
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 16
- 239000012071 phase Substances 0.000 claims abstract description 13
- 239000012808 vapor phase Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims description 40
- 230000007797 corrosion Effects 0.000 claims description 40
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 28
- 239000010409 thin film Substances 0.000 abstract description 25
- 229910045601 alloy Inorganic materials 0.000 abstract description 8
- 239000000956 alloy Substances 0.000 abstract description 8
- 229910052796 boron Inorganic materials 0.000 abstract description 8
- 230000004907 flux Effects 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 abstract description 6
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 238000007733 ion plating Methods 0.000 abstract description 2
- 229910017083 AlN Inorganic materials 0.000 abstract 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 abstract 1
- 229910034327 TiC Inorganic materials 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 230000014759 maintenance of location Effects 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
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- 150000002500 ions Chemical class 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 150000002910 rare earth metals Chemical class 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000013077 target material Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910001047 Hard ferrite Inorganic materials 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000005350 fused silica glass Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- -1 9 or their alloys Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01F41/02—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 manufacturing cores, coils, or magnets
- H01F41/0253—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 manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/026—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 manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0572—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59278489A JPS61150201A (ja) | 1984-12-24 | 1984-12-24 | 耐食性のすぐれた永久磁石 |
| CN85109695A CN1007847B (zh) | 1984-12-24 | 1985-12-24 | 制造具有改进耐蚀性磁铁的方法 |
| EP85116598A EP0190461B1 (en) | 1984-12-24 | 1985-12-27 | Process for producing permanent magnets and permanent magnet |
| DE8585116598T DE3584243D1 (de) | 1984-12-24 | 1985-12-27 | Verfahren zur herstellung von dauermagneten und dauermagnet. |
| US06/818,238 US4837114A (en) | 1984-12-24 | 1986-01-13 | Process for producing magnets having improved corrosion resistance |
| US07/360,101 US5089066A (en) | 1984-12-24 | 1989-06-01 | Magnets having improved corrosion resistance |
| US07/740,442 US5316595A (en) | 1984-12-24 | 1991-08-05 | Process for producing magnets having improved corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59278489A JPS61150201A (ja) | 1984-12-24 | 1984-12-24 | 耐食性のすぐれた永久磁石 |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4179077A Division JPH0644525B2 (ja) | 1992-06-12 | 1992-06-12 | 耐食性のすぐれた永久磁石の製造方法 |
| JP4179076A Division JPH0644524B2 (ja) | 1992-06-12 | 1992-06-12 | 耐食性のすぐれた永久磁石の製造方法 |
| JP6107538A Division JPH0821511B2 (ja) | 1994-04-21 | 1994-04-21 | 耐食性のすぐれた永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61150201A true JPS61150201A (ja) | 1986-07-08 |
| JPH0515043B2 JPH0515043B2 (enExample) | 1993-02-26 |
Family
ID=17598037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59278489A Granted JPS61150201A (ja) | 1984-12-24 | 1984-12-24 | 耐食性のすぐれた永久磁石 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150201A (enExample) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377103A (ja) * | 1986-09-19 | 1988-04-07 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた希土類磁石及びその製造方法 |
| JPS63226007A (ja) * | 1986-10-31 | 1988-09-20 | Tokin Corp | 希土類磁石とその製造方法 |
| JPS63254702A (ja) * | 1987-04-13 | 1988-10-21 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石の製造方法 |
| US4888506A (en) * | 1987-07-09 | 1989-12-19 | Hitachi Metals, Ltd. | Voice coil-type linear motor |
| US4959273A (en) * | 1988-09-20 | 1990-09-25 | Sumitomo Special Metals Co., Ltd. | Corrosion-resistant permanent magnet and method for preparing the same |
| EP0984460A3 (en) * | 1998-08-31 | 2000-07-12 | Sumitomo Special Metals Co., Ltd. | Fe-B-R based permanent magnet having corrosion-resistant film, and process for producing the same |
| EP0991085A4 (en) * | 1998-04-16 | 2000-07-12 | Sumitomo Spec Metals | CORROSION RESISTANT PERMANENT MAGNET AND MANUFACTURING METHOD THEREOF |
| MY119680A (en) * | 1998-08-31 | 2005-06-30 | Neomax Co Ltd | Fe-b-r based permanent magnet having corrosion-resistant film, and process for producing the same |
| JP2007263392A (ja) * | 2006-03-27 | 2007-10-11 | Toshiba Corp | 磁気冷凍材料及び磁気冷凍装置 |
| CN111326307A (zh) * | 2020-03-17 | 2020-06-23 | 宁波金鸡强磁股份有限公司 | 一种渗透磁体用的涂覆材料及高矫顽力钕铁硼磁体的制备方法 |
| CN112430800A (zh) * | 2020-10-23 | 2021-03-02 | 杭州永磁集团有限公司 | 一种含有复合镀膜的钕铁硼材料的制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4986896A (enExample) * | 1972-12-26 | 1974-08-20 | ||
| JPS5181909A (enExample) * | 1975-01-14 | 1976-07-17 | Citizen Watch Co Ltd | |
| JPS51115694A (en) * | 1975-02-19 | 1976-10-12 | Hitachi Metals Ltd | Earth rare permanent magnet and manufactured method |
| JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| JPS59163802A (ja) * | 1983-03-08 | 1984-09-14 | Sumitomo Special Metals Co Ltd | 永久磁石材料 |
-
1984
- 1984-12-24 JP JP59278489A patent/JPS61150201A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4986896A (enExample) * | 1972-12-26 | 1974-08-20 | ||
| JPS5181909A (enExample) * | 1975-01-14 | 1976-07-17 | Citizen Watch Co Ltd | |
| JPS51115694A (en) * | 1975-02-19 | 1976-10-12 | Hitachi Metals Ltd | Earth rare permanent magnet and manufactured method |
| JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| JPS59163802A (ja) * | 1983-03-08 | 1984-09-14 | Sumitomo Special Metals Co Ltd | 永久磁石材料 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377103A (ja) * | 1986-09-19 | 1988-04-07 | Sumitomo Special Metals Co Ltd | 耐食性のすぐれた希土類磁石及びその製造方法 |
| JPS63226007A (ja) * | 1986-10-31 | 1988-09-20 | Tokin Corp | 希土類磁石とその製造方法 |
| JPS63254702A (ja) * | 1987-04-13 | 1988-10-21 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石の製造方法 |
| US4888506A (en) * | 1987-07-09 | 1989-12-19 | Hitachi Metals, Ltd. | Voice coil-type linear motor |
| US4959273A (en) * | 1988-09-20 | 1990-09-25 | Sumitomo Special Metals Co., Ltd. | Corrosion-resistant permanent magnet and method for preparing the same |
| EP0991085A4 (en) * | 1998-04-16 | 2000-07-12 | Sumitomo Spec Metals | CORROSION RESISTANT PERMANENT MAGNET AND MANUFACTURING METHOD THEREOF |
| EP0984460A3 (en) * | 1998-08-31 | 2000-07-12 | Sumitomo Special Metals Co., Ltd. | Fe-B-R based permanent magnet having corrosion-resistant film, and process for producing the same |
| MY119680A (en) * | 1998-08-31 | 2005-06-30 | Neomax Co Ltd | Fe-b-r based permanent magnet having corrosion-resistant film, and process for producing the same |
| JP2007263392A (ja) * | 2006-03-27 | 2007-10-11 | Toshiba Corp | 磁気冷凍材料及び磁気冷凍装置 |
| CN111326307A (zh) * | 2020-03-17 | 2020-06-23 | 宁波金鸡强磁股份有限公司 | 一种渗透磁体用的涂覆材料及高矫顽力钕铁硼磁体的制备方法 |
| CN112430800A (zh) * | 2020-10-23 | 2021-03-02 | 杭州永磁集团有限公司 | 一种含有复合镀膜的钕铁硼材料的制备方法 |
| CN112430800B (zh) * | 2020-10-23 | 2023-04-28 | 杭州永磁集团振泽磁业有限公司 | 一种含有复合镀膜的钕铁硼材料的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0515043B2 (enExample) | 1993-02-26 |
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