JPH0128491B2 - - Google Patents
Info
- Publication number
- JPH0128491B2 JPH0128491B2 JP56082665A JP8266581A JPH0128491B2 JP H0128491 B2 JPH0128491 B2 JP H0128491B2 JP 56082665 A JP56082665 A JP 56082665A JP 8266581 A JP8266581 A JP 8266581A JP H0128491 B2 JPH0128491 B2 JP H0128491B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- thin plate
- magnetic head
- core
- head
- 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
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 239000006247 magnetic powder Substances 0.000 claims description 19
- 238000010030 laminating Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 238000004080 punching Methods 0.000 description 17
- 239000000956 alloy Substances 0.000 description 14
- 230000007423 decrease Effects 0.000 description 14
- 230000003746 surface roughness Effects 0.000 description 11
- 238000004017 vitrification Methods 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 229910052707 ruthenium Inorganic materials 0.000 description 5
- 229910001566 austenite Inorganic materials 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- LZBCVRCTAYKYHR-UHFFFAOYSA-N acetic acid;chloroethene Chemical compound ClC=C.CC(O)=O LZBCVRCTAYKYHR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- 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
- G11B5/1475—Assembling or shaping of elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56082665A JPS57198522A (en) | 1981-05-30 | 1981-05-30 | Core for magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56082665A JPS57198522A (en) | 1981-05-30 | 1981-05-30 | Core for magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198522A JPS57198522A (en) | 1982-12-06 |
| JPH0128491B2 true JPH0128491B2 (de) | 1989-06-02 |
Family
ID=13780721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56082665A Granted JPS57198522A (en) | 1981-05-30 | 1981-05-30 | Core for magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198522A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147539A (ja) * | 1982-02-26 | 1983-09-02 | Toshiba Corp | 磁気ヘツド用非晶質合金 |
| JPS62270741A (ja) * | 1986-05-19 | 1987-11-25 | Alps Electric Co Ltd | 磁気ヘツド用非晶質合金 |
| JP2785924B2 (ja) * | 1993-11-26 | 1998-08-13 | アルプス電気株式会社 | 耐磨耗性ならびに耐食性に優れた非晶質磁性体 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS561853Y2 (de) * | 1978-06-19 | 1981-01-16 | ||
| JPS5663714U (de) * | 1979-10-23 | 1981-05-28 |
-
1981
- 1981-05-30 JP JP56082665A patent/JPS57198522A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198522A (en) | 1982-12-06 |
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