DE3431457C2 - - Google Patents
Info
- Publication number
- DE3431457C2 DE3431457C2 DE3431457A DE3431457A DE3431457C2 DE 3431457 C2 DE3431457 C2 DE 3431457C2 DE 3431457 A DE3431457 A DE 3431457A DE 3431457 A DE3431457 A DE 3431457A DE 3431457 C2 DE3431457 C2 DE 3431457C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- phase particles
- head according
- phase
- super
- 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
- 239000002245 particle Substances 0.000 claims description 134
- 229910045601 alloy Inorganic materials 0.000 claims description 131
- 239000000956 alloy Substances 0.000 claims description 131
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 54
- 239000011159 matrix material Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 2
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 2
- XTYUEDCPRIMJNG-UHFFFAOYSA-N copper zirconium Chemical compound [Cu].[Zr] XTYUEDCPRIMJNG-UHFFFAOYSA-N 0.000 claims description 2
- GFUGMBIZUXZOAF-UHFFFAOYSA-N niobium zirconium Chemical compound [Zr].[Nb] GFUGMBIZUXZOAF-UHFFFAOYSA-N 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 229910000531 Co alloy Inorganic materials 0.000 claims 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims 1
- 229910000423 chromium oxide Inorganic materials 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims 1
- 239000012071 phase Substances 0.000 description 102
- 239000011162 core material Substances 0.000 description 58
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 28
- 239000007789 gas Substances 0.000 description 20
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 14
- 239000007790 solid phase Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 7
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 229910008423 Si—B Inorganic materials 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 229910004369 ThO2 Inorganic materials 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910000702 sendust Inorganic materials 0.000 description 3
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910000521 B alloy Inorganic materials 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- -1 NbN or TaN Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000011882 ultra-fine particle Substances 0.000 description 2
- 229910001313 Cobalt-iron alloy Inorganic materials 0.000 description 1
- 229910017985 Cu—Zr Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910020010 Nb—Si Inorganic materials 0.000 description 1
- NFCWKPUNMWPHLM-UHFFFAOYSA-N [Si].[B].[Fe] Chemical compound [Si].[B].[Fe] NFCWKPUNMWPHLM-UHFFFAOYSA-N 0.000 description 1
- DUQYSTURAMVZKS-UHFFFAOYSA-N [Si].[B].[Ni] Chemical compound [Si].[B].[Ni] DUQYSTURAMVZKS-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- DSMZRNNAYQIMOM-UHFFFAOYSA-N iron molybdenum Chemical compound [Fe].[Fe].[Mo] DSMZRNNAYQIMOM-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten(VI) oxide Inorganic materials O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15358—Making agglomerates therefrom, e.g. by pressing
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15358—Making agglomerates therefrom, e.g. by pressing
- H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58155727A JPS6050605A (ja) | 1983-08-27 | 1983-08-27 | Ｖｔｒ用磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3431457A1 DE3431457A1 (de) | 1985-03-14 |
| DE3431457C2 true DE3431457C2 (enExample) | 1987-12-23 |
Family
ID=15612142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3431457A Granted DE3431457A1 (de) | 1983-08-27 | 1984-08-27 | Magnetkopf fuer videorecorder |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6050605A (enExample) |
| KR (1) | KR890003180B1 (enExample) |
| DE (1) | DE3431457A1 (enExample) |
| GB (1) | GB2147608B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR900007666B1 (ko) * | 1984-11-12 | 1990-10-18 | 알프스 덴기 가부시기가이샤 | 자기헤드용 비정질 합금 |
| KR920001939B1 (ko) * | 1988-11-02 | 1992-03-07 | 알프스 덴기 가부시기가이샤 | 연자성합금막 및 그 연자성합금막을 사용한 자기헤드 |
| US5164025A (en) * | 1988-11-02 | 1992-11-17 | Alps Electric Co., Ltd. | Soft magnetic alloy film and a magnetic head using such soft a magnetic alloy film |
| KR920003999B1 (ko) * | 1989-03-08 | 1992-05-21 | 알프스 덴기 가부시기가이샤 | 연자성 합금막 |
| GB2232165A (en) * | 1989-03-22 | 1990-12-05 | Cookson Group Plc | Magnetic compositions |
| JP2635422B2 (ja) * | 1989-10-17 | 1997-07-30 | アルプス電気株式会社 | 磁気ヘッド |
| EP0435680B1 (en) * | 1989-12-28 | 1995-04-05 | Kabushiki Kaisha Toshiba | Fe-based soft magnetic alloy, method of producing same and magnetic core made of same |
| JPH1196520A (ja) * | 1997-09-17 | 1999-04-09 | Fujitsu Ltd | 磁気ヘッド及びその製造方法並びに該磁気ヘッドを備えた磁気記録装置 |
| JP4842746B2 (ja) * | 2006-09-20 | 2011-12-21 | オリンパス株式会社 | 基板搬送装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365994A (en) * | 1979-03-23 | 1982-12-28 | Allied Corporation | Complex boride particle containing alloys |
| JPS5644752A (en) * | 1979-09-21 | 1981-04-24 | Hitachi Ltd | Ferromagnetic amorphous alloy |
-
1983
- 1983-08-27 JP JP58155727A patent/JPS6050605A/ja active Pending
-
1984
- 1984-07-11 KR KR1019840004047A patent/KR890003180B1/ko not_active Expired
- 1984-08-27 DE DE3431457A patent/DE3431457A1/de active Granted
- 1984-08-28 GB GB08421725A patent/GB2147608B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR850002628A (ko) | 1985-05-15 |
| GB2147608A (en) | 1985-05-15 |
| KR890003180B1 (ko) | 1989-08-25 |
| JPS6050605A (ja) | 1985-03-20 |
| DE3431457A1 (de) | 1985-03-14 |
| GB8421725D0 (en) | 1984-10-03 |
| GB2147608B (en) | 1986-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8128 | New person/name/address of the agent |
Representative=s name: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |