JPS6117787B2 - - Google Patents
Info
- Publication number
- JPS6117787B2 JPS6117787B2 JP51127624A JP12762476A JPS6117787B2 JP S6117787 B2 JPS6117787 B2 JP S6117787B2 JP 51127624 A JP51127624 A JP 51127624A JP 12762476 A JP12762476 A JP 12762476A JP S6117787 B2 JPS6117787 B2 JP S6117787B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- temperature
- density
- pressure
- isostatic pressing
- 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
- 229910000859 α-Fe Inorganic materials 0.000 claims description 57
- 238000001513 hot isostatic pressing Methods 0.000 claims description 23
- 238000005245 sintering Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 14
- 239000011148 porous material Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000000137 annealing Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Magnetic Ceramics (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12762476A JPS5351217A (en) | 1976-10-22 | 1976-10-22 | Manufacture of high density ferrite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12762476A JPS5351217A (en) | 1976-10-22 | 1976-10-22 | Manufacture of high density ferrite |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5351217A JPS5351217A (en) | 1978-05-10 |
JPS6117787B2 true JPS6117787B2 (enrdf_load_stackoverflow) | 1986-05-09 |
Family
ID=14964678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12762476A Granted JPS5351217A (en) | 1976-10-22 | 1976-10-22 | Manufacture of high density ferrite |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5351217A (enrdf_load_stackoverflow) |
Families Citing this family (2)
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 |
JPH01253210A (ja) * | 1988-03-31 | 1989-10-09 | Ngk Insulators Ltd | 多結晶フェライト材料及びその製造法 |
-
1976
- 1976-10-22 JP JP12762476A patent/JPS5351217A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5351217A (en) | 1978-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3999216A (en) | Material for magnetic transducer heads | |
JPS61158862A (ja) | 磁気ヘツドスライダ材料 | |
JPH04329847A (ja) | Fe−Ni合金軟質磁性材料の製造方法 | |
GB1376677A (en) | Magnet alloy for magnetic recording and reproducing head and the method of manufacturing thereof | |
JPS6117787B2 (enrdf_load_stackoverflow) | ||
EP0330121A2 (en) | Non-magnetic substrate of magnetic head, magnetic head and method for producing substrate | |
US4093688A (en) | Method of making manganese-zinc ferrite | |
US3607219A (en) | Method of preparing a metal powder consisting at least substantially of iron for magnetic recording | |
EP0061988A1 (en) | Sintering cycle including a low pressure hot isostatic pressing step | |
JP3121400B2 (ja) | タングステン焼結体の製造方法 | |
JPS605045B2 (ja) | 高密度フエライトの製造方法 | |
JP2001107226A (ja) | Co系ターゲットおよびその製造方法 | |
US4059664A (en) | Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices | |
JPH0376762B2 (enrdf_load_stackoverflow) | ||
JPS63157407A (ja) | 高密度フエライトの製造方法 | |
JPH0583602B2 (enrdf_load_stackoverflow) | ||
JPH05315180A (ja) | 高密度記録用磁性膜を形成するためのスパッタリングターゲット材およびその製法 | |
JP2775740B2 (ja) | 高周波高透磁率磁性材料 | |
JP2002226970A (ja) | Co系ターゲットおよびその製造方法 | |
JPH0376761B2 (enrdf_load_stackoverflow) | ||
JPS6330374A (ja) | 酸化物の高密度焼結方法 | |
JPH03193605A (ja) | 酸化物超電導薄膜形成用ターゲット材の製造方法 | |
US3396015A (en) | Powder rolling of nickel-ironcobalt alloys | |
JPH0660061B2 (ja) | 簿膜磁気ヘツド用スライダおよびその製造方法 | |
JPH01129904A (ja) | 高密度焼結体の製造方法 |