JPH0150962B2 - - Google Patents
Info
- Publication number
- JPH0150962B2 JPH0150962B2 JP17888481A JP17888481A JPH0150962B2 JP H0150962 B2 JPH0150962 B2 JP H0150962B2 JP 17888481 A JP17888481 A JP 17888481A JP 17888481 A JP17888481 A JP 17888481A JP H0150962 B2 JPH0150962 B2 JP H0150962B2
- Authority
- JP
- Japan
- Prior art keywords
- dummy block
- alloy
- magnetic head
- formula
- core
- 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
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 22
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 17
- 229910052796 boron Inorganic materials 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- 229910052723 transition metal Inorganic materials 0.000 claims description 10
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000011162 core material Substances 0.000 description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 37
- 230000007797 corrosion Effects 0.000 description 20
- 238000005260 corrosion Methods 0.000 description 20
- 230000006866 deterioration Effects 0.000 description 13
- 229910000889 permalloy Inorganic materials 0.000 description 10
- 230000007423 decrease Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 6
- 229910000702 sendust Inorganic materials 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910052707 ruthenium Inorganic materials 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 229910052719 titanium 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
- 238000000034 method Methods 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 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
- 238000005096 rolling process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 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
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052725 zinc 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
- G11B5/10—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 |
|---|---|---|---|
| JP17888481A JPS5880125A (ja) | 1981-11-07 | 1981-11-07 | 磁気ヘッド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17888481A JPS5880125A (ja) | 1981-11-07 | 1981-11-07 | 磁気ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5880125A JPS5880125A (ja) | 1983-05-14 |
| JPH0150962B2 true JPH0150962B2 (en]) | 1989-11-01 |
Family
ID=16056377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17888481A Granted JPS5880125A (ja) | 1981-11-07 | 1981-11-07 | 磁気ヘッド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5880125A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07116563B2 (ja) * | 1987-07-23 | 1995-12-13 | 日立金属株式会社 | Ｆｅ基軟磁性合金 |
| JP2670799B2 (ja) * | 1988-03-22 | 1997-10-29 | ティーディーケイ株式会社 | 磁気ヘッド |
| CN100494478C (zh) | 2006-03-20 | 2009-06-03 | 浙江大学 | 电磁双重屏蔽膜的溅射制备方法 |
-
1981
- 1981-11-07 JP JP17888481A patent/JPS5880125A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5880125A (ja) | 1983-05-14 |
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