JPH0376762B2 - - Google Patents
Info
- Publication number
- JPH0376762B2 JPH0376762B2 JP59239888A JP23988884A JPH0376762B2 JP H0376762 B2 JPH0376762 B2 JP H0376762B2 JP 59239888 A JP59239888 A JP 59239888A JP 23988884 A JP23988884 A JP 23988884A JP H0376762 B2 JPH0376762 B2 JP H0376762B2
- Authority
- JP
- Japan
- Prior art keywords
- density
- mol
- less
- grain size
- temperature
- 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 - Lifetime
Links
- 239000013078 crystal Substances 0.000 claims description 21
- 229910001035 Soft ferrite Inorganic materials 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001513 hot isostatic pressing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59239888A JPS61117804A (ja) | 1984-11-14 | 1984-11-14 | Ｍｎ−Ｚｎ系ソフトフエライト及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59239888A JPS61117804A (ja) | 1984-11-14 | 1984-11-14 | Ｍｎ−Ｚｎ系ソフトフエライト及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61117804A JPS61117804A (ja) | 1986-06-05 |
| JPH0376762B2 true JPH0376762B2 (cs) | 1991-12-06 |
Family
ID=17051359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59239888A Granted JPS61117804A (ja) | 1984-11-14 | 1984-11-14 | Ｍｎ−Ｚｎ系ソフトフエライト及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61117804A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157407A (ja) * | 1986-12-22 | 1988-06-30 | Sony Corp | 高密度フエライトの製造方法 |
| JPH0618132B2 (ja) * | 1987-05-29 | 1994-03-09 | 日本碍子株式会社 | 多結晶フェライトの製造方法 |
| JP2907253B2 (ja) * | 1993-03-05 | 1999-06-21 | 日立金属 株式会社 | 高透磁率Ｍｎ―Ｚｎ系フェライト |
| EP1030318A4 (en) * | 1998-09-07 | 2006-03-22 | Tdk Corp | MANGANESE ZINC FERRITE AND PROCESS FOR PRODUCING THE SAME |
-
1984
- 1984-11-14 JP JP59239888A patent/JPS61117804A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61117804A (ja) | 1986-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |