JPH0546605B2 - - Google Patents
Info
- Publication number
- JPH0546605B2 JPH0546605B2 JP29932685A JP29932685A JPH0546605B2 JP H0546605 B2 JPH0546605 B2 JP H0546605B2 JP 29932685 A JP29932685 A JP 29932685A JP 29932685 A JP29932685 A JP 29932685A JP H0546605 B2 JPH0546605 B2 JP H0546605B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- members
- magnetic gap
- abutting
- polycrystalline
- 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 - Fee Related
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 303
- 239000013078 crystal Substances 0.000 claims description 81
- 238000000034 method Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 25
- 238000003746 solid phase reaction Methods 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000005304 joining Methods 0.000 claims description 15
- 238000002425 crystallisation Methods 0.000 claims description 11
- 230000008025 crystallization Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000011162 core material Substances 0.000 description 34
- 238000010438 heat treatment Methods 0.000 description 17
- 238000004804 winding Methods 0.000 description 12
- 238000005530 etching Methods 0.000 description 11
- 239000011521 glass Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- -1 inorganic acid salt Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29932685A JPS62157312A (ja) | 1985-12-27 | 1985-12-27 | 磁気ヘツド用コアの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29932685A JPS62157312A (ja) | 1985-12-27 | 1985-12-27 | 磁気ヘツド用コアの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62157312A JPS62157312A (ja) | 1987-07-13 |
| JPH0546605B2 true JPH0546605B2 (enrdf_load_stackoverflow) | 1993-07-14 |
Family
ID=17871093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29932685A Granted JPS62157312A (ja) | 1985-12-27 | 1985-12-27 | 磁気ヘツド用コアの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62157312A (enrdf_load_stackoverflow) |
-
1985
- 1985-12-27 JP JP29932685A patent/JPS62157312A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62157312A (ja) | 1987-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |