Matches 101 - 150 out of 215 < 1 2 3 4 5 >
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5128099 Congruent state changeable optical memory material and device  
A state changeable memory alloy and device employing same. The memory alloy is capable of changing from a first state to a second state in response to the input of energy, such as projected optical...
5114503 Magnetic core  
A magnetic core comprised of an amorphous alloy ribbon wound into a toroidal shape, wherein the said amorphous alloy has a composition of the formula: (Co 1 -x-y-z Fe x Ni y Mn z ) 100 -a-b-c M...
5096513 Very thin soft magnetic alloy strips and magnetic core and electromagnetic apparatus made therefrom  
A thin Co-based amorphous alloy strip is produced, the conditions for production being controlled to those specified by the invention. The thin strip has an extremely small thickness and few...
5074932 Fine-crystalline iron-based alloy core for an interface transformer  
In an ISDN digital communications system, the transmission between the network termination and the terminal equipment ensues via what is referred to as the S o interface, on the basis of interface...
5062909 Iron rich metallic glasses having saturation induction and superior soft ferromagnetic properties at high magnetization rates  
A magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition described by the formula Fe a Co b B c Si d C...
5060478 Magnetical working amorphous substance  
As magnetically working substances capable of producing magnetically working abilities such as magnetic refrigeration or cooling in a wide range of temperatures with high efficiency, this invention...
5037494 Amorphous alloy for strip-shaped sensor elements  
An amorphous alloy free of magnetostriction is employed in anti-theft labels, magnetic field detectors or the like, having a saturation induction of B s ≤0.5T and a good responsiveness given an...
5035755 Amorphous metal alloys having enhanced AC magnetic properties at elevated temperatures  
An amorphous metal alloy which is at least 90% amorphous having enhanced magnetic properties at elevated temperatures and consisting essentially of a composition having the formula Fe a Si b B c ...
5015992 Cobalt-niobium amorphous ferromagnetic alloys  
Amorphous ferromagnetic alloys having a niobium content in the range of 2.5 to 15 atomic percent have been conceived. These alloys are obtained directly in the amorphous state or as a mixture of...
5015993 Ferromagnetic alloys with high nickel content and high permeability  
Nickel rich amorphous ferromagnetic alloys having a nickel content in the range of 35 to 55 atomic percent have been conceived. These alloys are in the amorphous state and exhibit high permeability...
4980670 Deactivatable E.A.S. marker having a step change in magnetic flux  
A magnetic marker is formed from a magnetic material having a hysteresis characteristic which is such that upon subjecting the material to an applied alternating magnetic field, the magnetic flux...
4972285 Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same  
An amorphous magnetic alloy of Co-Nb-Zr system contains Co, Nb and Zr and has a composition which falls, in terms of atomic percent, within the region defined by straight lines connecting, in a...
4944805 Method of heat treatment amorphous soft magnetic film layers to reduce magnetic anisotropy  
A method of heat treating an amorphous soft magnetic (ASM) film for use in a device that utilizes magnetism and is fabricated by depositing two or more layers of an ASM film, and an associated...
4938267 Glassy metal alloys with perminvar characteristics  
A series of glassy metal alloys with near zero magnetostriction and Perminvar characteristics of relatively constant permeability at low magnetic field excitations and constricted hysteresis loops...
4936929 Refractory amorphous Co-Ta-Hf alloy  
A soft magnetic amorphous ternary alloy of Co-Ta-Hf which comprises a composition represented by Co x Ta y Hf z , wherein the composition ratio of x, y and z ranges, in atomic %, 81%≤x≤85% ...
4925742 Thin-film having large Kerr rotation angle and production process thereof  
A thin film having a large high Kerr rotation angle is formed of a compound having a composition represented by the following formula (I): J x L y Q (100-x-y) (I)...
4923533 Magnetic shield-forming magnetically soft powder, composition thereof, and process of making  
A powder comprising flakes of magnetically soft amorphous alloy having an average thickness of 0.01-1 μm and an aspect ratio of 10-10,000 is blended with a binder to form a coating composition...
4921763 Soft magnetic thin film  
The present invention provides, by combining as the composition of the soft magnetic thin film transition metals and two different kinds of metalloid (semiconductor) elements, herein B, C and Si, a...
4913750 Amorphous magnetic wire  
An amorphous magnetic wire comprises a magnetically hard wire portion for propagating a magnetoelastic wave, and a magnetically soft wire portion for generating or detecting the magnetoelastic...
4865664 Amorphous alloy strips having a large thickness and method for producing the same  
An iron base amorphous alloy strip having a sheet thickness of from 50 to 150 μm and a sheet width of at least 20 mm. The strip is produced by a single-roll cooling process and has a fracture...
4859256 High permeability amorphous magnetic material  
To obtain a high permeability magnetic core, the core is made of a 5 to 25 μm thick ribbon of a Co-based amorphous alloy with a Curie temperature Tc between 120° C. and 270° C., and further heat...
RE33022 Ferromagnetic amorphous alloy  
A ferromagnetic amorphous alloy having a composition represented by (Co x Ni y Fe z ) a M b G c , wherein M is Cr, Mo and/or W, G is Zr, Hf and/or Ti and x,y,z and a, b, c are selected to meet...
4853292 Stacked lamination magnetic cores  
A magnetic core is disclosed comprising a plurality of stacked laminations of metallic glassy ribbon. The laminations are arranged in groups of at least two laminations, with the laminations of...
4842656 Anisotropic neodymium-iron-boron powder with high coercivity  
Magnetically anisotropic powder having high coercivity and containing the magnetic phase Nd 2 Fe 14 B is produced by melt spinning a composition of these elements to form amorphous or extremely...
4842657 Amorphous alloys containing iron group elements and zirconium and particles made of said alloys  
Amorphous alloys containing zirconium as an amorphus forming metal and having the formula X α Z γ wherein X is at least one of Fe, Co and Ni, α is 80 to 92 atomic %, Z is zirconium, γ is 8 to...
4834815 Iron-based amorphous alloys containing cobalt  
Metallic alloys are disclosed which are at least about 90% amorphous, having enhanced magnetic properties and consist essentially of a composition represented by the formula Fe a -b Co b B c Si d...
4823113 Glassy alloy identification marker  
A magnetic identification system marker is adapted to generate magnetic fields at frequencies that (1) are harmonically related to an incident magnetic field applied within an interrogation zone...
4781754 Rapid solidification of plasma sprayed magnetic alloys  
A method is provided for rapidly solidifying rare earth-transition metal containing alloy. It entails introducing the alloy into the flame of a plasma torch and directing the torch flame onto the...
4781771 Amorphous Co-based metal filaments and process for production of the same  
An amorphous Co-based metal filament having a circular cross-section made of an alloy composed mainly of Co-Si-B or Co-Me-Si-B (wherein Me is at least one metal selected from the group consisting...
4755239 Low magnetostriction amorphous metal alloys  
Cobalt rich amorphous metal alloys have a value of magnetostriction of about -6×10 -6 to +4×10 -6 and a saturation induction of about 0.1 to 1.0T. The alloys, especially suited for soft...
4750951 Amorphous alloy for magnetic heads  
An amorphous alloy for making a magnetic head comprises a composition of the formula: (Fe 1 -a, Co a ) 100 -e-f-b Cr e Ru f (Si c , B d ) b where a is from 0.93 to 0.95, c/c+d is from 0.55 to...
4747888 Amorphous soft magnetic thin film  
An improved alloy used in the form of an amorphous soft magnetic thin film having a desirable combination of saturation magnetic flux density and saturation magnetostriction constant, the alloy...
4735770 Method for producing an amorphous material in powder form by performing a milling process  
By the inventive method, an amorphous material in powder form can be produced, whereby at least two starting components in powder form are mechanically alloyed by means of a milling process so that...
4735864 Amorphous metal filaments and process for producing same  
Amorphous metal filaments having a substantially circular cross-section comprising an alloy containing Fe as a main component, and a process for producing such amorphous metal filaments, are...
4707198 Amorphous alloy and production method thereof  
An amorphous alloy consists of iron and tellurium and has a tellurium content of from about 14 to 90 atomic%. The amorphous alloy can be utilized as an information material for optical recording...
4686154 Security system label  
A security label comprised of at least two magnetically soft materials having different coercivities but similar thresholds of magnetic saturation.
4670353 Magnetooptical recording medium  
A magnetooptical recording medium comprises a ternary amorphous magnetic alloy of Tb-Fe-Co.
4668310 Amorphous alloys  
Amorphous alloys having high strength, high hardness, high crystallization temperature, high saturation magnetic induction, low coercive force, high magnetic permeability and particularly low...
4657605 Fine amorphous metal wires  
A fine amorphous metallic wire having a circular cross section and stability to a bias magnetic field, said wire being composed of an alloy having the following composition formula (Co 1 -a Fe a...
4647917 Article control system having coded magnetomechanical marker  
An article control system has an encoded marker associated with an article appointed for passage through an interrogation zone. The marker resonates upon interrogation to provide a signal which is...
4623408 Nitrogen-containing amorphous alloy  
Nitrogen-containing amorphous alloys having a combination of superior properties which are highly valuable and desirable for ferromagnetic materials or superconducting materials are produced by...
4619720 Magnetic amorphous alloys comprising Co, Fe, Zr, and Nb  
A magnetic amorphous alloy having a compositional formula (Co 100 -y Fe y ) 100 -x Zr 100 -w Nb w ) x in which 5≤x≤10, 0.5≤y≤4, and 20≤w≤90.
4602948 Production of an iron-boron-silicon-carbon composition utilizing carbon reduction  
This is a process for producing an iron-boron-silicon-carbon composition for use in magnetic amorphous alloys. This process utilizes the carbon reduction of boric acid and avoids the use of...
4591788 Magnetic field sensing device  
A magnetic field sensing device for sensing low levels of magnetic intensity is composed of a ribbon-shaped strip of amorphous magnetic material having at least one twist along the length thereof...
4587507 Core of a choke coil comprised of amorphous magnetic alloy  
Conventionally, silicon steel strips and ferrite cores have been used as the core of a choke coil. These strips and the like have not yet been replaced with amorphous alloy because in the known...
4584034 Iron-base amorphous alloys having improved fatigue and toughness characteristics  
An iron-base amorphous alloy is described, having improved fatigue and toughness characteristics consisting essentially of from 6 to 16 atom % Si, from 7.5 to 16 atom % B, and from 2 to 9 atom %...
4584078 Method of producing fine particles  
A method of producing fine particles with a particle size of submicron or finer which comprises the steps of: forming closely fine projections on a substrate surface, preferably by...
4581081 Metallic glass composition  
A metallic glass alloy that is either iron-based or nickel-based or based on a mixture of iron and nickel, containing lesser amounts of elements selected from the group boron, silicon carbon and...
4564399 Amorphous alloy for magnetic head and magnetic head with an amorphous alloy  
An amorphous alloy for a magnetic head has a composition which may be represented as Co 100 -T-X-Y-Z Re T Hf X B Y Si Z , where T, X, Y and Z satisfy the conditions of 0.2≤T≤1.5,...
4557769 Soft magnetic material  
A soft magnetic material having a low coercive force and a high permeability without reduction in saturation magnetic flux density is composed of a Co-base Co-Hf-Ta amorphous alloy containing 1 to...
Matches 101 - 150 out of 215 < 1 2 3 4 5 >