DE3013915A1 - Poroese, magnetische gegenstaende und verfahren zur herstellung - Google Patents
Poroese, magnetische gegenstaende und verfahren zur herstellungInfo
- Publication number
- DE3013915A1 DE3013915A1 DE19803013915 DE3013915A DE3013915A1 DE 3013915 A1 DE3013915 A1 DE 3013915A1 DE 19803013915 DE19803013915 DE 19803013915 DE 3013915 A DE3013915 A DE 3013915A DE 3013915 A1 DE3013915 A1 DE 3013915A1
- Authority
- DE
- Germany
- Prior art keywords
- glass
- magnetic
- phases
- temperature
- crystals
- 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
- 230000005291 magnetic effect Effects 0.000 title claims description 74
- 238000000034 method Methods 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011521 glass Substances 0.000 claims description 94
- 239000013078 crystal Substances 0.000 claims description 77
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 239000000155 melt Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 238000013459 approach Methods 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000006104 solid solution Substances 0.000 claims 3
- 229910000859 α-Fe Inorganic materials 0.000 claims 2
- 239000002245 particle Substances 0.000 description 41
- 239000011148 porous material Substances 0.000 description 14
- 239000000377 silicon dioxide Substances 0.000 description 14
- 238000005191 phase separation Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000002386 leaching Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002241 glass-ceramic Substances 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- -1 borosilicate Chemical compound 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002050 diffraction method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 229910052595 hematite Inorganic materials 0.000 description 3
- 239000011019 hematite Substances 0.000 description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000006121 base glass Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000012633 leachable Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000005298 paramagnetic effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 208000006558 Dental Calculus Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052638 hedenbergite Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- VJPLIHZPOJDHLB-UHFFFAOYSA-N lead titanium Chemical compound [Ti].[Pb] VJPLIHZPOJDHLB-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000007431 microscopic evaluation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0081—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition having a magnetic crystal phase
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/005—Multi-cellular glass ; Porous or hollow glass or glass particles obtained by leaching after a phase separation step
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
- H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Glass Compositions (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Surface Treatment Of Glass (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/029,577 US4233169A (en) | 1979-04-13 | 1979-04-13 | Porous magnetic glass structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3013915A1 true DE3013915A1 (de) | 1980-10-30 |
| DE3013915C2 DE3013915C2 (enExample) | 1989-12-21 |
Family
ID=21849769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803013915 Granted DE3013915A1 (de) | 1979-04-13 | 1980-04-11 | Poroese, magnetische gegenstaende und verfahren zur herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4233169A (enExample) |
| JP (1) | JPS55144445A (enExample) |
| AU (1) | AU538041B2 (enExample) |
| DE (1) | DE3013915A1 (enExample) |
| FR (1) | FR2453836B1 (enExample) |
| GB (1) | GB2047679B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19715477B4 (de) * | 1997-04-10 | 2006-05-11 | Lancaster Group Gmbh | Verfahren und Vorrichtung zur Herstellung hartmagnetischer Einbereichsteilchen mit hoher Koerzitivfeldstärke |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140645A (en) * | 1978-06-12 | 1979-02-20 | Corning Glass Works | Glasses and glass-ceramics suitable for induction heating |
| JPS5756329A (en) * | 1980-09-22 | 1982-04-03 | Toshiba Corp | Manufacture of magnetic powder for magnetic recording medium |
| US4360441A (en) * | 1981-06-25 | 1982-11-23 | Corning Glass Works | Glass-encapsulated magnetic materials and methods for making them |
| JPS59151340A (ja) * | 1983-02-16 | 1984-08-29 | Fuji Photo Film Co Ltd | 磁気記録用フエライト磁性粉の製造法 |
| JPS59151341A (ja) * | 1983-02-16 | 1984-08-29 | Fuji Photo Film Co Ltd | 磁気記録用フエライト磁性粉の製法 |
| US4493874A (en) * | 1983-03-08 | 1985-01-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Production of a magnetic powder having a high dispersibility |
| JPS59218403A (ja) * | 1983-05-26 | 1984-12-08 | Nippon Telegr & Teleph Corp <Ntt> | 磁性ガラス被覆光フアイバおよびその製造方法 |
| JPS6140841A (ja) * | 1984-07-31 | 1986-02-27 | Miyazakiken | 多孔質ガラス成形物及びその製造方法 |
| EP0297565B1 (en) * | 1987-07-01 | 1994-03-23 | TDK Corporation | Sintered ferrite body, chip inductor, and composite LC part |
| JPH03505163A (ja) * | 1989-03-15 | 1991-11-14 | ゲゼルシャフト フュア バイオテクノロギッシェ フォーシュング エムベーハー（ゲーベーエフ） | 触媒反応並びにその実施のための担体及び装置 |
| US5610274A (en) * | 1991-11-20 | 1997-03-11 | Cpg, Inc. | Production and use of magnetic porous inorganic materials |
| US5173454A (en) * | 1992-01-09 | 1992-12-22 | Corning Incorporated | Nanocrystalline materials |
| DE4421058A1 (de) | 1994-06-16 | 1995-12-21 | Boehringer Mannheim Gmbh | Verfahren zur magnetischen Abtrennung von Flüssigkeitskomponenten |
| US5814164A (en) * | 1994-11-09 | 1998-09-29 | American Scientific Materials Technologies L.P. | Thin-walled, monolithic iron oxide structures made from steels, and methods for manufacturing such structures |
| DE19506843A1 (de) * | 1995-02-28 | 1996-08-29 | Studiengesellschaft Kohle Mbh | Mikroporöse amorphe Mischmetalloxide für formselektive Katalyse |
| US5683875A (en) * | 1995-05-04 | 1997-11-04 | Hewlett-Packard Company | Method for detecting a target nucleic acid analyte in a sample |
| KR100463475B1 (ko) | 1995-06-08 | 2005-06-22 | 로셰 디아그노스틱스 게엠베하 | 자기성피그먼트 |
| DE19520398B4 (de) * | 1995-06-08 | 2009-04-16 | Roche Diagnostics Gmbh | Magnetisches Pigment |
| JP2965131B2 (ja) * | 1995-07-07 | 1999-10-18 | 東洋紡績株式会社 | 核酸結合用磁性担体およびそれを用いる核酸単離方法 |
| DE19622886A1 (de) * | 1996-06-07 | 1997-12-11 | Boehringer Mannheim Gmbh | Trockene Polymerbeadzubereitung |
| DE19622885A1 (de) * | 1996-06-07 | 1997-12-11 | Boehringer Mannheim Gmbh | Reagenzzubereitung enthaltend magnetische Partikel in Form einer Tablette |
| US6027945A (en) * | 1997-01-21 | 2000-02-22 | Promega Corporation | Methods of isolating biological target materials using silica magnetic particles |
| ES2187926T3 (es) | 1997-01-21 | 2003-06-16 | Grace W R & Co | Adsorbente de silice sobre un susbstrato magnetico. |
| US20050287583A1 (en) * | 1997-01-21 | 2005-12-29 | Promega Corporation | Methods and kits for isolating biological target materials using silica magnetic particles |
| DE19740353C2 (de) * | 1997-09-13 | 2001-06-07 | Inst Physikalische Hochtech Ev | Kompakter magnetischer glaskeramischer Formkörper mit einem hohen Füllfaktor an magnetischen Teilchen und Verfahren zu dessen Herstellung |
| US7078224B1 (en) | 1999-05-14 | 2006-07-18 | Promega Corporation | Cell concentration and lysate clearance using paramagnetic particles |
| US6461562B1 (en) | 1999-02-17 | 2002-10-08 | American Scientific Materials Technologies, Lp | Methods of making sintered metal oxide articles |
| US6270970B1 (en) | 1999-05-14 | 2001-08-07 | Promega Corporation | Mixed-bed solid phase and its use in the isolation of nucleic acids |
| US6310199B1 (en) | 1999-05-14 | 2001-10-30 | Promega Corporation | pH dependent ion exchange matrix and method of use in the isolation of nucleic acids |
| ES2256068T3 (es) * | 1999-11-17 | 2006-07-16 | Roche Diagnostics Gmbh | Particulas de cristal magneticas, metodo para su preparacion y usos de las mismas. |
| WO2001071732A2 (en) * | 2000-03-24 | 2001-09-27 | Qiagen Gmbh | Porous ferro- or ferrimagnetic glass particles for isolating molecules |
| WO2002044414A2 (en) * | 2000-11-28 | 2002-06-06 | Promega Corporation | Purification of dna sequencing reactions using silica magnetic particles |
| US20050106576A1 (en) * | 2003-11-17 | 2005-05-19 | Hashem Akhavan-Tafti | Methods of using cleavable solid phases for isolating nucleic acids |
| US20050136477A1 (en) * | 2003-11-17 | 2005-06-23 | Hashem Akhavan-Tafti | Methods for isolating nucleic acids from biological and cellular materials |
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| US2472490A (en) * | 1947-09-13 | 1949-06-07 | Socony Vacuum Oil Co Inc | Process of preparing porous glass catalysts |
| US4126437A (en) * | 1976-12-02 | 1978-11-21 | Xerox Corporation | Magnetic glass carrier materials |
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| GB779495A (en) * | 1954-08-25 | 1957-07-24 | Ici Ltd | Improvements in and relating to the production of skeletal glass catalysts |
| US3904422A (en) * | 1972-03-27 | 1975-09-09 | Corning Glass Works | Porous glass support material |
| US4113915A (en) * | 1974-10-16 | 1978-09-12 | Schott Charles W | Glass bead product |
| US4070246A (en) * | 1976-04-09 | 1978-01-24 | Abbott Laboratories | Reactive matrices |
| US4124735A (en) * | 1976-12-02 | 1978-11-07 | Xerox Corporation | Magnetic glass carrier materials |
-
1979
- 1979-04-13 US US06/029,577 patent/US4233169A/en not_active Expired - Lifetime
-
1980
- 1980-04-08 AU AU57231/80A patent/AU538041B2/en not_active Ceased
- 1980-04-11 GB GB8012083A patent/GB2047679B/en not_active Expired
- 1980-04-11 FR FR8008152A patent/FR2453836B1/fr not_active Expired
- 1980-04-11 DE DE19803013915 patent/DE3013915A1/de active Granted
- 1980-04-14 JP JP4913680A patent/JPS55144445A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472490A (en) * | 1947-09-13 | 1949-06-07 | Socony Vacuum Oil Co Inc | Process of preparing porous glass catalysts |
| US4126437A (en) * | 1976-12-02 | 1978-11-21 | Xerox Corporation | Magnetic glass carrier materials |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19715477B4 (de) * | 1997-04-10 | 2006-05-11 | Lancaster Group Gmbh | Verfahren und Vorrichtung zur Herstellung hartmagnetischer Einbereichsteilchen mit hoher Koerzitivfeldstärke |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55144445A (en) | 1980-11-11 |
| GB2047679B (en) | 1983-08-03 |
| DE3013915C2 (enExample) | 1989-12-21 |
| FR2453836A1 (fr) | 1980-11-07 |
| JPS6332732B2 (enExample) | 1988-07-01 |
| AU538041B2 (en) | 1984-07-26 |
| US4233169A (en) | 1980-11-11 |
| GB2047679A (en) | 1980-12-03 |
| FR2453836B1 (fr) | 1985-07-19 |
| AU5723180A (en) | 1980-10-16 |
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