JPS6050605A - Ｖｔｒ用磁気ヘツド - Google Patents
Ｖｔｒ用磁気ヘツドInfo
- Publication number
- JPS6050605A JPS6050605A JP58155727A JP15572783A JPS6050605A JP S6050605 A JPS6050605 A JP S6050605A JP 58155727 A JP58155727 A JP 58155727A JP 15572783 A JP15572783 A JP 15572783A JP S6050605 A JPS6050605 A JP S6050605A
- Authority
- JP
- Japan
- Prior art keywords
- phase particles
- magnetic head
- phase
- ultra
- vtr
- 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.)
- Pending
Links
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 139
- 239000000956 alloy Substances 0.000 claims abstract description 139
- 239000002245 particle Substances 0.000 claims abstract description 110
- 239000011159 matrix material Substances 0.000 claims abstract description 51
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 2
- 229910000423 chromium oxide Inorganic materials 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims 1
- 239000011162 core material Substances 0.000 abstract description 61
- 239000010419 fine particle Substances 0.000 abstract description 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 4
- 229910020598 Co Fe Inorganic materials 0.000 abstract 1
- 229910002519 Co-Fe Inorganic materials 0.000 abstract 1
- 229910008423 Si—B Inorganic materials 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 100
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- 239000000843 powder Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 239000006185 dispersion Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 238000002441 X-ray diffraction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 238000004626 scanning electron microscopy Methods 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 238000009736 wetting Methods 0.000 description 6
- 229910000521 B alloy Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- -1 NbN and TaN Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000005501 phase interface Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000702 sendust Inorganic materials 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
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910001313 Cobalt-iron alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910017263 Mo—C Inorganic materials 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000016027 Persea schiedeana Nutrition 0.000 description 1
- 244000261838 Persea schiedeana Species 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 229910007744 Zr—N Inorganic materials 0.000 description 1
- CFOAUMXQOCBWNJ-UHFFFAOYSA-N [B].[Si] Chemical compound [B].[Si] CFOAUMXQOCBWNJ-UHFFFAOYSA-N 0.000 description 1
- DUQYSTURAMVZKS-UHFFFAOYSA-N [Si].[B].[Ni] Chemical compound [Si].[B].[Ni] DUQYSTURAMVZKS-UHFFFAOYSA-N 0.000 description 1
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- XTYUEDCPRIMJNG-UHFFFAOYSA-N copper zirconium Chemical compound [Cu].[Zr] XTYUEDCPRIMJNG-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 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
- DSMZRNNAYQIMOM-UHFFFAOYSA-N iron molybdenum Chemical compound [Fe].[Fe].[Mo] DSMZRNNAYQIMOM-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- GFUGMBIZUXZOAF-UHFFFAOYSA-N niobium zirconium Chemical compound [Zr].[Nb] GFUGMBIZUXZOAF-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 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
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010409 thin film Substances 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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58155727A JPS6050605A (ja) | 1983-08-27 | 1983-08-27 | Ｖｔｒ用磁気ヘツド |
| KR1019840004047A KR890003180B1 (ko) | 1983-08-27 | 1984-07-11 | Vtr용 자기 헤드 |
| DE3431457A DE3431457A1 (de) | 1983-08-27 | 1984-08-27 | Magnetkopf fuer videorecorder |
| GB08421725A GB2147608B (en) | 1983-08-27 | 1984-08-28 | Magnetic head for video tape recorder |
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 (1)
| Publication Number | Publication Date |
|---|---|
| JPS6050605A true JPS6050605A (ja) | 1985-03-20 |
Family
ID=15612142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58155727A Pending JPS6050605A (ja) | 1983-08-27 | 1983-08-27 | Ｖｔｒ用磁気ヘツド |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6050605A (enExample) |
| KR (1) | KR890003180B1 (enExample) |
| DE (1) | DE3431457A1 (enExample) |
| GB (1) | GB2147608B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6134079A (en) * | 1997-09-17 | 2000-10-17 | Fujitsu Limited | Magnetic head including a pole piece with soft magnetic particles dispersed therein and manufacturing method therefor |
| JP2008078284A (ja) * | 2006-09-20 | 2008-04-03 | Olympus Corp | 基板搬送装置 |
Families Citing this family (7)
| 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 |
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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6134079A (en) * | 1997-09-17 | 2000-10-17 | Fujitsu Limited | Magnetic head including a pole piece with soft magnetic particles dispersed therein and manufacturing method therefor |
| JP2008078284A (ja) * | 2006-09-20 | 2008-04-03 | Olympus Corp | 基板搬送装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR850002628A (ko) | 1985-05-15 |
| DE3431457C2 (enExample) | 1987-12-23 |
| GB2147608A (en) | 1985-05-15 |
| KR890003180B1 (ko) | 1989-08-25 |
| DE3431457A1 (de) | 1985-03-14 |
| GB8421725D0 (en) | 1984-10-03 |
| GB2147608B (en) | 1986-07-30 |
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