JPS58203614A - 磁気ヘツド - Google Patents
磁気ヘツドInfo
- Publication number
- JPS58203614A JPS58203614A JP8705382A JP8705382A JPS58203614A JP S58203614 A JPS58203614 A JP S58203614A JP 8705382 A JP8705382 A JP 8705382A JP 8705382 A JP8705382 A JP 8705382A JP S58203614 A JPS58203614 A JP S58203614A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- magnetic head
- dummy block
- formula
- less
- 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
- 230000005291 magnetic effect Effects 0.000 title claims description 45
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 239000000956 alloy Substances 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 19
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 21
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000007496 glass forming Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract description 20
- 238000005242 forging Methods 0.000 abstract description 5
- 229910052748 manganese Inorganic materials 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 230000007797 corrosion Effects 0.000 description 20
- 238000005260 corrosion Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 229910000889 permalloy Inorganic materials 0.000 description 7
- 229910052723 transition metal Inorganic materials 0.000 description 7
- 229910000702 sendust Inorganic materials 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 229910052707 ruthenium Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 244000144992 flock Species 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000001872 metatarsal bone Anatomy 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000007704 transition Effects 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
- G11B5/10—Structure or manufacture of housings or shields for heads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8705382A JPS58203614A (ja) | 1982-05-21 | 1982-05-21 | 磁気ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8705382A JPS58203614A (ja) | 1982-05-21 | 1982-05-21 | 磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58203614A true JPS58203614A (ja) | 1983-11-28 |
| JPH0339323B2 JPH0339323B2 (enrdf_load_stackoverflow) | 1991-06-13 |
Family
ID=13904193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8705382A Granted JPS58203614A (ja) | 1982-05-21 | 1982-05-21 | 磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58203614A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165223A (ja) * | 1983-03-11 | 1984-09-18 | Toshiba Corp | 磁気ヘツド |
| CN1064090C (zh) * | 1997-05-05 | 2001-04-04 | 首钢总公司 | 一种热磁敏感功能材料 |
-
1982
- 1982-05-21 JP JP8705382A patent/JPS58203614A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165223A (ja) * | 1983-03-11 | 1984-09-18 | Toshiba Corp | 磁気ヘツド |
| CN1064090C (zh) * | 1997-05-05 | 2001-04-04 | 首钢总公司 | 一种热磁敏感功能材料 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339323B2 (enrdf_load_stackoverflow) | 1991-06-13 |
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