IT630441A - - Google Patents

Info

Publication number
IT630441A
IT630441A IT630441DA IT630441A IT 630441 A IT630441 A IT 630441A IT 630441D A IT630441D A IT 630441DA IT 630441 A IT630441 A IT 630441A
Authority
IT
Italy
Application number
Priority date (The priority date 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 date listed.)
Publication of IT630441A publication Critical patent/IT630441A/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • C04B35/2608Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2625Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing magnesium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B29/00Steam boilers of forced-flow type
    • F22B29/06Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
    • F22B29/061Construction of tube walls
    • F22B29/064Construction of tube walls involving horizontally- or helically-disposed water tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10Water tubes; Accessories therefor
    • F22B37/14Supply mains, e.g. rising mains, down-comers, in connection with water tubes
    • F22B37/142Supply mains, e.g. rising mains, down-comers, in connection with water tubes involving horizontally-or helically-disposed water tubes, e.g. walls built-up from horizontal or helical tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10Water tubes; Accessories therefor
    • F22B37/16Return bends
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/34Magnets 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
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
    • H03K17/84Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices the devices being thin-film devices
IT630441D 1959-06-09 IT630441A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US819056A US3042618A (en) 1959-06-09 1959-06-09 Preparation of a bistable ferrite circuit element

Publications (1)

Publication Number Publication Date
IT630441A true IT630441A (it)

Family

ID=25227094

Family Applications (1)

Application Number Title Priority Date Filing Date
IT630441D IT630441A (it) 1959-06-09

Country Status (5)

Country Link
US (1) US3042618A (it)
DE (1) DE1185741B (it)
GB (1) GB881985A (it)
IT (1) IT630441A (it)
NL (1) NL252343A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924848A (en) * 1960-05-27 1963-05-01 Ibm Improvements in and relating to methods of manufacturing memory arrays
US3220843A (en) * 1961-01-13 1965-11-30 Eastman Kodak Co Sound recording motion picture film with anti-halation layer thereon
US3953562A (en) * 1974-07-15 1976-04-27 International Business Machines Corporation Process for the elimination of dimensional changes in ceramic green sheets

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA556756A (en) * 1958-04-29 Albers-Schoenberg Ernst Ferromagnetic bodies having high insulating properties
US2978414A (en) * 1951-04-09 1961-04-04 Agfa Ag Magnetic impulse record carrier
IT492518A (it) * 1951-10-30
GB737284A (en) * 1952-02-15 1955-09-21 Steatite Res Corp Rectangular loop ferro nagnetic materials
DE1062611B (de) * 1953-10-07 1959-07-30 Philips Nv Verfahren zur Herstellung eines Ferritwerkstoffes fuer Magnetkerne mit nahezu rechteckfoermiger Hystereseschleife
GB789099A (en) * 1954-07-27 1958-01-15 Philips Electrical Ind Ltd Improvements in or relating to a method of producing magnetic cores
US2770523A (en) * 1954-08-26 1956-11-13 Du Pont Ferro-magnetic cobalt and nickel manganese oxides having the ilmenite-type crystal structure
FR1143063A (fr) * 1954-10-18 1957-09-26 Ibm Composition et procédé de fabrication d'éléments magnétiques
US2961709A (en) * 1957-12-16 1960-11-29 Ibm Method of fabricating special shaped ferrites

Also Published As

Publication number Publication date
US3042618A (en) 1962-07-03
NL252343A (it)
DE1185741B (de) 1965-01-21
GB881985A (en) 1961-11-08

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