ES208433A1 - MEJORAS INTRODUCIDAS EN LA FABRICACIoN DE IMANES PERMANENTES - Google Patents
MEJORAS INTRODUCIDAS EN LA FABRICACIoN DE IMANES PERMANENTESInfo
- Publication number
- ES208433A1 ES208433A1 ES0208433A ES208433A ES208433A1 ES 208433 A1 ES208433 A1 ES 208433A1 ES 0208433 A ES0208433 A ES 0208433A ES 208433 A ES208433 A ES 208433A ES 208433 A1 ES208433 A1 ES 208433A1
- Authority
- ES
- Spain
- Prior art keywords
- permanent magnets
- magneticallyanisotropic
- making
- crystals
- polyoxides
- 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
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
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
-
- 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
- H01F1/032—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 hard-magnetic materials
- H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3296—Lead oxides, plumbates or oxide forming salts thereof, e.g. silver plumbate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/76—Crystal structural characteristics, e.g. symmetry
- C04B2235/767—Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
- C04B2235/787—Oriented grains
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/58—Processes of forming magnets
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/76—Processes of uniting two or more parts
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/32—Buckles, buttons, clasps, etc. having magnetic fastener
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
- Y10T29/49076—From comminuted material
Abstract
Mejoras introducidas en la fabricación de imanes permanentes preferentemente imanes permanentes fusionados caracterizadas por el hecho de estar los mismos constituídos por un cuerpo magnético anisotrópico formado principalmente por un material ferromagnético de cristales no cúbicos preferentemente de estructura exagonal de polióxidos de hierro por lo menos de los metales Ba Sr y Pb pudiendo estar sustituída en los cristales como máximo una fracción atómica de 0 4 de la cantidad total de Ba y/o Sr y/o Pb por Ca.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL166263 | 1951-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES208433A1 true ES208433A1 (es) | 1953-06-01 |
Family
ID=19750550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0208433A Expired ES208433A1 (es) | 1951-12-21 | 1953-03-23 | MEJORAS INTRODUCIDAS EN LA FABRICACIoN DE IMANES PERMANENTES |
Country Status (9)
Country | Link |
---|---|
US (1) | US2762778A (es) |
BE (1) | BE516395A (es) |
CH (1) | CH319022A (es) |
DE (1) | DE977209C (es) |
DK (1) | DK106444C (es) |
ES (1) | ES208433A1 (es) |
FR (1) | FR1080514A (es) |
GB (1) | GB747724A (es) |
NL (1) | NL93755C (es) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU32262A1 (es) * | 1952-07-07 | |||
US2900344A (en) * | 1953-07-29 | 1959-08-18 | Philips Corp | Making anisotropic permanent magnets |
BE531693A (es) * | 1953-09-09 | |||
FR1114010A (fr) * | 1954-11-09 | 1956-04-06 | Audax | Aimants permanents en oxydes mixtes frittés |
LU34051A1 (es) * | 1954-12-21 | |||
US2854412A (en) * | 1954-12-23 | 1958-09-30 | Philips Corp | Method of making a permanent magnet |
DE1010441B (de) * | 1955-03-11 | 1957-06-13 | Steatit Magnesia Ag | Verfahren zur Verbesserung der magnetischen Eigenschaften von Ferriten mit rechteckfoermiger Hystereseschleife |
NL88282C (es) * | 1955-08-10 | 1958-05-16 | ||
LU34570A1 (es) * | 1955-08-10 | |||
GB842005A (en) * | 1955-08-10 | 1960-07-20 | Philips Electrical Ind Ltd | Improvements in or relating to ferromagnetic materials |
US2989475A (en) * | 1955-10-25 | 1961-06-20 | Steatit Magnesia Ag | Ferrite of field independent permeability |
NL97514C (es) * | 1956-01-24 | 1961-04-17 | ||
US2980617A (en) * | 1956-03-13 | 1961-04-18 | Indiana General Corp | Ferrite compositions and method of making same |
DE1236391B (de) * | 1956-05-16 | 1967-03-09 | Philips Nv | Verfahren zur Herstellung eines ferromagnetischen Ferritmaterials mit hexogonaler Kristallstruktur |
NL112994C (es) * | 1956-06-02 | 1966-07-15 | ||
NL113688C (es) * | 1956-10-30 | 1967-06-15 | Philips Nv | |
US3036008A (en) * | 1956-12-24 | 1962-05-22 | Magneco Electronics Inc | Permanent magnet ferrite |
DE1045006B (de) * | 1957-03-13 | 1958-11-27 | Deutsche Edelstahlwerke Ag | Verfahren zur Herstellung von anisotropen Dauermagnetkoerpern |
NL111324C (es) * | 1957-05-13 | 1965-06-15 | ||
US3109817A (en) * | 1957-05-22 | 1963-11-05 | Ncr Co | Method of making ferrite cores |
NL99528C (es) * | 1957-06-22 | 1961-11-15 | ||
NL95813C (es) * | 1957-10-21 | 1960-11-15 | ||
US2959832A (en) * | 1957-10-31 | 1960-11-15 | Baermann Max | Flexible or resilient permanent magnets |
US2964793A (en) * | 1957-11-13 | 1960-12-20 | Leyman Corp | Method of making permanent magnets |
US3053770A (en) * | 1958-04-17 | 1962-09-11 | Gen Motors Corp | Permanent magnet |
US3040184A (en) * | 1958-07-01 | 1962-06-19 | Bell Telephone Labor Inc | Translation device having ferromagnetic core |
US3184807A (en) * | 1958-11-24 | 1965-05-25 | Goodrich Co B F | Gasket containing a permanent magnet |
US2968622A (en) * | 1958-12-30 | 1961-01-17 | Owens Corning Fiberglass Corp | Magnetic ceramic fibers and method of making same |
US3031407A (en) * | 1959-03-24 | 1962-04-24 | Ibm | Method of producing ferrite bodies |
US3093453A (en) * | 1959-04-15 | 1963-06-11 | Weizmann Inst Of Science | Ferrite material containing fluorine |
US3067140A (en) * | 1959-06-16 | 1962-12-04 | Raytheon Co | Orientation of ferrites |
US3113109A (en) * | 1959-10-07 | 1963-12-03 | Du Pont | Ferromagnetic material produced from ferric oxide and barium halide or strontium halide, and process for making same |
US3110675A (en) * | 1960-03-25 | 1963-11-12 | Gen Motors Corp | Method of fabricating ferrite bodies |
US2999271A (en) * | 1960-08-30 | 1961-09-12 | Gen Electric | Magnetic material |
US3117092A (en) * | 1960-09-01 | 1964-01-07 | Phillips Petroleum Co | Method of preparing compositions comprising paramagnetic metals and thermoplastic materials |
US3159333A (en) * | 1961-08-21 | 1964-12-01 | Varian Associates | Permanent magnets |
US3151703A (en) * | 1962-01-02 | 1964-10-06 | Gen Motors Corp | Transmission |
US3938152A (en) * | 1963-06-03 | 1976-02-10 | Mcdonnell Douglas Corporation | Magnetic absorbers |
DE1696419B1 (de) * | 1963-11-06 | 1970-07-09 | Minnesota Mining & Mfg | Verfahren zur Herstellung von Permanentmagneten |
DE1283730B (de) * | 1963-12-23 | 1969-02-20 | Siemens Ag | Vorrichtung zur Herstellung von Formkoerpern, die einer Sinterung unterworfen werden |
US3549315A (en) * | 1967-01-12 | 1970-12-22 | Fred F Lester | Complex oxidic compounds and process for their production |
US3766642A (en) * | 1971-09-27 | 1973-10-23 | Shell Oil Co | Process for preparing a ductile metal ferrite |
JPS5820890B2 (ja) * | 1974-03-01 | 1983-04-26 | サカイカガクコウギヨウ カブシキガイシヤ | フエライト粒子の製造法 |
US4093781A (en) * | 1975-05-27 | 1978-06-06 | Rockwell International Corporation | Epitaxial, sodium-substituted lithium ferrite films |
JPS54150360A (en) * | 1978-05-19 | 1979-11-26 | Tdk Corp | Manufacture of magnetic powder |
US4303062A (en) * | 1980-07-09 | 1981-12-01 | Intervet, Inc. | Therapeutic magnet |
EP0310223A1 (en) * | 1987-07-27 | 1989-04-05 | Maghemite Inc. | Magnet composition |
US6435026B1 (en) * | 1998-04-24 | 2002-08-20 | Wade L. Donehue | Liquid level indicator |
JP4391897B2 (ja) * | 2004-07-01 | 2009-12-24 | インターメタリックス株式会社 | 磁気異方性希土類焼結磁石の製造方法及び製造装置 |
EP2017859B1 (en) * | 2007-07-20 | 2012-08-29 | Siemens Aktiengesellschaft | Magnet pole piece and method for its manufacturing |
CN103107665A (zh) * | 2011-11-11 | 2013-05-15 | 德昌电机(深圳)有限公司 | 永磁电机及应用该永磁电机的电动工具和割草机 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE226347C (es) * | ||||
DE227787C (es) * | ||||
US1997193A (en) * | 1930-12-25 | 1935-04-09 | Mitsubishi Electric Corp | Permanent magnet and method of manufacturing same |
US1991143A (en) * | 1932-09-01 | 1935-02-12 | Krupp Ag | Production of finely divided magnetic bodies |
US2188091A (en) * | 1934-07-11 | 1940-01-23 | Jr Max Baermann | Process for making permanent magnets and products thereof |
DE656966C (de) * | 1934-07-12 | 1938-02-21 | Dynamit Act Ges Vormals Alfred | Permanenter Magnet und Verfahren zu seiner Herstellung |
DE708101C (de) * | 1934-08-12 | 1941-07-11 | Dynamit Act Ges Vormals Alfred | Verfahren zur Herstellung von permanenten Magneten |
US2576679A (en) * | 1939-08-02 | 1951-11-27 | Electro Chimie Metal | Permanent magnet and method of manufacture thereof |
DE970931C (de) * | 1943-08-21 | 1958-10-30 | Societe d'Electro-Chimie, d'Electro-Mctallurgie et des Acieries electriques d'Ugine, Paris | Verfahren zur Herstellung von Dauermagneten aus Eisen- und Kobaltoxyden |
-
0
- NL NL93755D patent/NL93755C/xx active
- BE BE516395D patent/BE516395A/xx unknown
-
1952
- 1952-01-01 DE DEN4920A patent/DE977209C/de not_active Expired
- 1952-12-10 US US325202A patent/US2762778A/en not_active Expired - Lifetime
- 1952-12-18 DK DK405952AA patent/DK106444C/da active
- 1952-12-18 GB GB32099/52A patent/GB747724A/en not_active Expired
- 1952-12-19 CH CH319022D patent/CH319022A/de unknown
- 1952-12-19 FR FR1080514D patent/FR1080514A/fr not_active Expired
-
1953
- 1953-03-23 ES ES0208433A patent/ES208433A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH319022A (de) | 1957-01-31 |
DE977209C (de) | 1965-06-10 |
US2762778A (en) | 1956-09-11 |
DK106444C (da) | 1967-02-06 |
NL93755C (es) | |
FR1080514A (fr) | 1954-12-09 |
GB747724A (en) | 1956-04-11 |
BE516395A (es) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES208433A1 (es) | MEJORAS INTRODUCIDAS EN LA FABRICACIoN DE IMANES PERMANENTES | |
ES214629A1 (es) | Mejoras introducidas en los imanes permanentes anisotropicos cilindricos | |
GB726328A (en) | Improvements in or relating to sets of magnetic elements for use, for example, as sets of toy building blocks | |
ES206853A1 (es) | Un metodo de fabricacion de imanes permanentes | |
FR1060944A (fr) | Perfectionnements aux transmissions magnétiques | |
ES262112A1 (es) | Metodo de fabricaciën de cuerpos magneticamente anisotrëpicos | |
AU154308B2 (en) | Improvements in solenoid magnets | |
FR993767A (fr) | Accélérateur inductif d'électrons | |
ES213821A1 (es) | Un método de fabricar materiales magnéticos | |
ES206980A1 (es) | Mejoras introducidas en los soportes para magnetogramas | |
IE20875L (en) | Ferromagnetic material. | |
IE20613L (en) | Ferromagnetic materials. | |
ES205897A1 (es) | Mejoras introducidas en los materiales ferromagnéticos | |
ES17830U (es) | Hombrera perfeccionada. | |
IE20993L (en) | Permanent magnetic material | |
CA446984A (en) | Powdered iron magnetic core | |
DK81607C (da) | Fremgangsmåde til forbedring af de magnetiske egenskaber af sintrede hærdelige jern-nikkel-aluminiumlegeringer. | |
CA479461A (en) | Luminescent material | |
CA493518A (en) | Solenoid magnets | |
IE20140L (en) | Embedding wire etc. in ceramics | |
IE18223L (en) | Luminescent material | |
CA447556A (en) | Solenoid | |
AU101151A (en) | Ceramic ferromagnetic body with high maximum permeability | |
AT174933B (de) | Verfahren zur Herstellung von Eisenpulver mit Korngrößen von maximal 0.15 mm für pulvermetallurgische Zwecke | |
CA479750A (en) | Magnetic circuits and coil arrangements |