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1. US6274939 - Resin ceramic compositions having magnetic properties

Office United States of America
Application Number 09250930
Application Date 18.02.1999
Publication Number 6274939
Publication Date 14.08.2001
Grant Number 6274939
Grant Date 14.08.2001
Publication Kind B1
IPC
H01L 23/29
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
23Details of semiconductor or other solid state devices
28Encapsulation, e.g. encapsulating layers, coatings
29characterised by the material
C04B 26/00
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
26Compositions of mortars, concrete or artificial stone, containing only organic binders
C04B 26/02
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
26Compositions of mortars, concrete or artificial stone, containing only organic binders
02Macromolecular compounds
C04B 111/90
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
111Function, property or use of the mortars, concrete or artificial stone
90Electrical properties
C08K 3/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
3Use of inorganic substances as compounding ingredients
C08L 101/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
101Compositions of unspecified macromolecular compounds
CPC
H01F 1/113
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
1Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
01of inorganic materials
03characterised by their coercivity
032of hard-magnetic materials
10non-metallic substances, e.g. ferrites ; , e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
11in the form of particles
113in a bonding agent
Applicants American Electronic Components
Inventors Wolf, Ronald J.
Agents Zavis, Katten Muchin
Title
(EN) Resin ceramic compositions having magnetic properties
Abstract
(EN)

The present invention is directed to a resin ceramic composition that includes a ceramic filler in an amount effective for providing a single composition with a magnetic field of at least one gauss.