DE1449403B2 - Verfahren zur herstellung eines polykristallinischen nickelferritkoerpers, und aus einem solchen ferritkoerper bestehender magnetkopf - Google Patents
Verfahren zur herstellung eines polykristallinischen nickelferritkoerpers, und aus einem solchen ferritkoerper bestehender magnetkopfInfo
- Publication number
- DE1449403B2 DE1449403B2 DE1963N0023501 DEN0023501A DE1449403B2 DE 1449403 B2 DE1449403 B2 DE 1449403B2 DE 1963N0023501 DE1963N0023501 DE 1963N0023501 DE N0023501 A DEN0023501 A DE N0023501A DE 1449403 B2 DE1449403 B2 DE 1449403B2
- Authority
- DE
- Germany
- Prior art keywords
- ferrite body
- microns
- sintered
- powder
- ferrite
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- NQNBVCBUOCNRFZ-UHFFFAOYSA-N nickel ferrite Chemical compound [Ni]=O.O=[Fe]O[Fe]=O NQNBVCBUOCNRFZ-UHFFFAOYSA-N 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 description 21
- 239000000203 mixture Substances 0.000 description 17
- 239000011148 porous material Substances 0.000 description 17
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 238000000227 grinding Methods 0.000 description 9
- 238000005245 sintering Methods 0.000 description 9
- 239000011787 zinc oxide Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 239000004484 Briquette Substances 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- YVKBMQONWVQBGH-UHFFFAOYSA-N manganese zinc Chemical compound [Mn][Zn][Mn][Zn] YVKBMQONWVQBGH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL281410 | 1962-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1449403A1 DE1449403A1 (de) | 1969-08-28 |
| DE1449403B2 true DE1449403B2 (de) | 1976-07-29 |
Family
ID=19754007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1963N0023501 Granted DE1449403B2 (de) | 1962-07-25 | 1963-07-20 | Verfahren zur herstellung eines polykristallinischen nickelferritkoerpers, und aus einem solchen ferritkoerper bestehender magnetkopf |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3472780A (en, 2012) |
| AT (2) | AT272690B (en, 2012) |
| BE (1) | BE635327A (en, 2012) |
| CH (1) | CH443111A (en, 2012) |
| DE (1) | DE1449403B2 (en, 2012) |
| DK (1) | DK116014B (en, 2012) |
| ES (1) | ES290223A1 (en, 2012) |
| FR (1) | FR1390192A (en, 2012) |
| GB (1) | GB1010577A (en, 2012) |
| LU (1) | LU44114A1 (en, 2012) |
| NL (1) | NL281410A (en, 2012) |
| OA (1) | OA00732A (en, 2012) |
| SE (1) | SE218771C1 (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086444A1 (en) * | 1982-02-13 | 1983-08-24 | TDK Corporation | Magnetic carrier powder for two-component toner |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1799008B1 (de) * | 1967-02-14 | 1976-12-16 | Matsushita Electric Ind Co Ltd | Gesintertes ferrit und verfahren zu seiner herstellung |
| US3524252A (en) * | 1968-08-05 | 1970-08-18 | Ibm | Method of ultrasonically treating ferrite cores |
| NL6904352A (en, 2012) * | 1969-03-20 | 1970-09-22 | ||
| US3948785A (en) * | 1971-01-04 | 1976-04-06 | Jean Berchtold | Process of manufacturing ferrite materials with improved magnetic and mechanical properties |
| US4059664A (en) * | 1971-12-14 | 1977-11-22 | Thomson-Csf | Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices |
| FR2165011A5 (en, 2012) * | 1971-12-14 | 1973-08-03 | Thomson Csf | |
| JPS605044B2 (ja) * | 1975-02-07 | 1985-02-08 | 日立金属株式会社 | フエライトの製造方法 |
| JPS6012767B2 (ja) * | 1976-10-22 | 1985-04-03 | 日立金属株式会社 | 高密度Ｎｉ−Ｚｎフエライトの製造方法 |
| US4440713A (en) * | 1982-09-30 | 1984-04-03 | International Business Machines Corp. | Process for making fine magnetic ferrite powder and dense ferrite blocks |
| CN1041575C (zh) * | 1993-05-11 | 1999-01-06 | 皇家菲利浦电子有限公司 | NiZn铁氧体材料的变压器或电感器烧结磁芯 |
| US6057649A (en) * | 1993-05-11 | 2000-05-02 | U.S. Philips Corporation | Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein |
| BE1007053A3 (nl) * | 1993-05-11 | 1995-02-28 | Philips Electronics Nv | Gesinterde transformatorkern van nizn-ferrietmateriaal. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2452529A (en) * | 1941-10-24 | 1948-10-26 | Hartford Nat Bank & Trust Co | Magnet core |
| US2703787A (en) * | 1952-11-18 | 1955-03-08 | Henry L Crowley & Company Inc | Method for preparing magnetic compositions |
| US3038199A (en) * | 1960-01-27 | 1962-06-12 | Western Electric Co | Method and apparatus for pressing moldable material |
| US3189550A (en) * | 1961-03-07 | 1965-06-15 | Walter W Malinofsky | Process of making ferrite magnetic core material |
-
1962
- 1962-07-25 NL NL281410D patent/NL281410A/xx unknown
-
1963
- 1963-07-20 DE DE1963N0023501 patent/DE1449403B2/de active Granted
- 1963-07-22 AT AT976765A patent/AT272690B/de active
- 1963-07-22 GB GB28918/63A patent/GB1010577A/en not_active Expired
- 1963-07-22 DK DK349063AA patent/DK116014B/da unknown
- 1963-07-22 AT AT583163A patent/AT252590B/de active
- 1963-07-22 CH CH910963A patent/CH443111A/de unknown
- 1963-07-22 LU LU44114D patent/LU44114A1/xx unknown
- 1963-07-22 SE SE806963A patent/SE218771C1/sv unknown
- 1963-07-23 BE BE635327D patent/BE635327A/xx unknown
- 1963-07-23 ES ES0290223A patent/ES290223A1/es not_active Expired
- 1963-07-25 FR FR942612A patent/FR1390192A/fr not_active Expired
-
1964
- 1964-12-12 OA OA50811A patent/OA00732A/xx unknown
-
1968
- 1968-01-26 US US700749A patent/US3472780A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086444A1 (en) * | 1982-02-13 | 1983-08-24 | TDK Corporation | Magnetic carrier powder for two-component toner |
Also Published As
| Publication number | Publication date |
|---|---|
| SE218771C1 (en, 2012) | 1968-02-13 |
| AT272690B (de) | 1969-07-10 |
| GB1010577A (en) | 1965-11-17 |
| DK116014B (da) | 1969-12-01 |
| NL281410A (en, 2012) | 1964-12-10 |
| OA00732A (fr) | 1967-07-15 |
| AT252590B (de) | 1967-02-27 |
| FR1390192A (fr) | 1965-02-26 |
| CH443111A (de) | 1967-08-31 |
| BE635327A (en, 2012) | 1964-01-23 |
| LU44114A1 (en, 2012) | 1963-09-23 |
| DE1449403A1 (de) | 1969-08-28 |
| ES290223A1 (es) | 1963-10-16 |
| US3472780A (en) | 1969-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |