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| Number | Title | Issue Date |
| 8066825 | (CoFe)Zr/Nb/Ta/Hf based target material A (CoFe)Zr/Nb/Ta/Hf based target material is provided which is capable of achieving a high sputtering efficiency and a high sputtering effect by increasing the leakage magnetic flux in the magnetron sputtering, and a method for producing the target material. This ta... | 11/29/2011 |
| 8012270 | Soft magnetic iron/cobalt/chromium-based alloy and process for manufacturing it A soft magnetic alloy consists essentially of 5 percent by weight≦Co≦30 percent by weight, 1 percent by weight≦Cr≦20 percent by weight, 0.1 percent by weight≦Al≦2 percent by weight, 0 percent by weight≦Si≦1.5 percent by weight, 0.017 percent by weigh... | 09/06/2011 |
| 7582171 | High-strength, soft-magnetic iron-cobalt-vanadium alloy A high-strength, soft-magnetic iron-cobalt-vanadium alloy selection is proposed, consisting of 35.0≦Co≦55.0% by weight, 0.75≦V≦2.5% by weight, O≦Ta+2×Nb≦0.8% by weight, 0.3 | 09/01/2009 |
| 7195680 | Soft magnetic alloy for clock-making The invention relates to a soft magnetic alloy with the following composition in wt. %: 28%≦Ni≦34%, 0%≦Co≦4%, 0%≦Cu≦4%, 1%≦Cr, 0%≦Mo≦8%, 0%≦Nb≦1%, 0%≦Mn≦2%, 0%≦V≦5%, 0%≦W≦5%, 0%≦Si≦4%, 0%≦Al≦4%, 0%≦C≦0.4%, optionally one... | 03/27/2007 |
| 7192491 | Increased damping of magnetization in magnetic materials In order to dampen magnetization changes in magnetic devices, such as magnetic tunnel junctions (MTJ) used in high speed Magnetic Random Access Memory (MRAM), a transition metal selected from the 4d transition metals and 5d transition met... | 03/20/2007 |
| 7048809 | Magnetic implement having a linear BH loop Magnetic powder having a large coercivity, Hc, is consolidated with a non-magnetic binder to form a magnetic implement having desired dimension and shape. The magnetic implement exhibits a linear B-H loop and low magnetic loss. It is capable of operating ... | 05/23/2006 |
| 6946097 | High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications A high strength and creep resistant soft magnetic Fe—Co alloy includes, in weight %, Fe and Co such that the difference between the Fe and Co is at least 2%, at least 35% Co, and 2.5%≦(V+Mo+Nb), wherein 0.4%≦Mo and/or 0.4%≦Nb. This alloy can further include ... | 09/20/2005 |
| 6822831 | Magnetic thin film, magnetic thin film forming method, and recording head An object of the present invention is to provide a recording head having a magnetic pole simultaneously possessing a high saturation magnetic flux density, a high permeability and a high electric resistivity, and the magnetic pole of the recording head is a polycrys... | 11/23/2004 |
| 6676772 | Magnetic material The magnetic material for magnetic refrigeration of the present invention is characterized by exhibiting, in a certain temperature region, preferably, only in part of a temperature region from 200 K to 350 K, an inflection point at which a second order di... | 01/13/2004 |
| 6666930 | FePt magnet and manufacturing method thereof The present invention offers a minute-sized magnet with superior magnetic energy product (BH)max and coercivity iHc, as well as superior anti-corrosive properties. This magnet is comprised of an alloy comprised of 35-55 atomic % platinum, 0.001... | 12/23/2003 |
| 6607612 | Magnetic alloy and magnetic recording medium and method for preparation thereof, and target for forming magnetic film and magnetic recording device The magnetic alloy includes cobalt (Co), chromium (Cr), and germanium (Ge), the composition of the magnetic alloy being represented by the general formula: Cox Cry Gez where x, y and z, which represent the composition ratio in ... | 08/19/2003 |
| 6527880 | Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same Medium- and high-density articles are formed from melting and casting alloys containing tungsten, iron, nickel and optionally manganese and/or steel. In some embodiments, the articles have densities in the range of 8-10.5 g/cm3, and in other em... | 03/04/2003 |
| 6514358 | Stretching of magnetic materials to increase pass-through-flux (PTF) Magnetic materials for use in sputtering targets are hot rolled and stretched at ambient temperature or at a temperature not exceeding 1400° F. The magnetic material can be pure Co, pure Ni, or Co based alloys.... | 02/04/2003 |
| 6342108 | Low core loss, well-bonded soft magnetic stator, rotor, and armature A ferromagnetic powder comprising ferromagnetic particles coated with a material that does not degrade at temperatures above 150° C and permits adjacent particles to strongly bind together after compaction such that parts made from the ferromagnetic powd... | 01/29/2002 |
| 6270593 | Mn alloy materials for magnetic materials, Mn alloy sputtering targets, and magnetic thin films Mn alloy materials for magnetic materials contain 500 ppm or less, preferably 100 ppm or less, oxygen, 100 ppm or less, probably 20 ppm or less, sulfur, and preferably a total of 1000 ppm or less, more preferably 500 ppm or less, impurities (elements othe... | 08/07/2001 |
| 6190465 | Soft magnetic alloy of the Fe-Ni-Cr-Ti type for a magnetic circuit of a high-sensitivity relay Soft magnetic alloy of the iron-nickel type, the chemical composition of which comprises, by weight: 40%ࣘNi+Coࣘ65%; 0%ࣘCoࣘ7%; 2%ࣘCrࣘ5%; 1%ࣘTiࣘ3%; 0%ࣘAlࣘ0.5%; 0%ࣘMn+Siࣘ2%; optionally, up to 3% Mo, 2% W, 2% V, 1.5% Nb, 1% Ta and... | 02/20/2001 |
| 6146474 | Iron-cobalt alloy An iron--cobalt alloy the chemical composition of which comprises, by weight: 35%ࣘCoࣘ55%; 0.5%ࣘVࣘ2.5%; 0.02%ࣘTa+2×Nbࣘ0.2%; 0.0007%ࣘBࣘ0.007%; Cࣘ0.05%; the balance being iron and impurities resulting from the smelting operation.... | 11/14/2000 |
| 6132524 | Semiconductor magneto-optical material A semiconductor magneto-optical material includes a semiconductor dispersed with fine magnetic material particles and is characterized by exhibiting magneto-optical effect at ordinary room temperature.... | 10/17/2000 |
| 6123783 | Magnetic data-storage targets and methods for preparation A method for making a magnetic data storage target includes warm-rolling a magnetic alloy sheet at a temperature of less than about 1200° F., optimally followed by annealing. The method results in increased pass-through-flux (PTF) and improved performanc... | 09/26/2000 |
| 6103405 | Planar inductance element A planar inductance element is provided which has good high-frequency magnetic properties and which can be manufactured at high yield. The element has at least one ferromagnetic film which, whose high-frequency properties change only a little when thermal... | 08/15/2000 |
| 6018296 | Amorphous magnetostrictive alloy with low cobalt content and method for annealing same A resonator for use in a marker in a magnetomechanical electronic article surveillance system is formed by a planar strip of an amorphous magnetostrictive alloy having a composition Fea Cob Nic Six By... | 01/25/2000 |
| 5976715 | Articles comprising magnetically soft thin films The invention is embodied in a soft magnetic thin film article comprising an iron--chromium-nitrogen (Fe--Cr--N) based alloy and methods for making such article. The soft magnetic thin film article is formed using an iron--chromium--nitrogen based alloy w... | 11/02/1999 |
| 5858125 | Magnetoresistive materials A magnetoresistive material of the present invention has a structure in which many clusters are surrounded by a crystal phase of Cu and/or Ag, where each cluster has a grain size of 20 nm or less and composed of an amorphous phase containing at least one ... | 01/12/1999 |
| 5824165 | Giant magnetoresistive heterogeneous alloys and method of making same The inventive material exhibits giant magnetoresistance upon application of an external magnetic field at room temperature. The hysteresis is minimal. The inventive material has a magnetic phase formed by eutectic decomposition. The bulk material comprise... | 10/20/1998 |
| 5728237 | Magneto-elastically excitable tag having a reliably deactivatable amorphous alloy for use in a mechanical resonance monitoring system Amorphous alloys having the formula Fea Cob Nic Six By Mz are employed as monitoring strips for mechanically oscillating tags, for example for anti-theft protection, together with a source of a ... | 03/17/1998 |
| 5650023 | Metallic glass alloys for mechanically resonant marker surveillance systems A glassy metal alloy consists essentially of the formula Fea Cob Nic Md Bc Sif Cg, where "M" is at least one member selected from the group consisting of molybdenum, chromium and ... | 07/22/1997 |
| 5628840 | Metallic glass alloys for mechanically resonant marker surveillance systems A glassy metal alloy consists essentially of the formula Fea Cob Nic Md Be Sif Cg, where "M" is at least one member selected from the group consisting of molybdenum, chromium and ... | 05/13/1997 |
| 5549766 | Magnetic material A permanent magnet is composed of a magnetic material which is represented by a general formula R1x R2y Az Cou Fe100-x-y-z-u (where R1 is at least one element selected from rare earth elements, R2 is ... | 08/27/1996 |
| 5496631 | Perpendicular magnetic film, multilayered film for perpendicular magnetic film and process for producing perpendicular magnetic film Disclosed herein is a perpendicular magnetic film comprising a spinel thin film which is formed on a substrate, which contains Fe as the main ingredient and further contains Co and Ni, and which has a coercive force of less than 3000 Oe, the plane (400) t... | 03/05/1996 |
| 5480495 | Magnetic material Disclosed is a magnetic material which suppresses formation of impurity phase of Fe, Co or Fe-Co alloy, possesses a stable ThMn12 crystal structure as the principal phase, and is excellent in magnetic properties and lower in cost. Such magnetic... | 01/02/1996 |
| 5425819 | Magnetoresistive material A granule-type magnetoresistive material is used to form a MR component, which is equipped in a magnetic head, or the like. When placing the magnetoresistive material in the external magnetic field, the electric resistance is altered responsive to a varia... | 06/20/1995 |
| 5277977 | Ferromagnetic stabilized ultrafine spherical hexagonal crystalline Fe2 Ultrafine particles of Fe-Co-P material with a Fe/Co atomic ratio of from 95/5 to 70/30 and a (Fe+Co)/P atomic ratio of from 85/15 to 60/40 show improved ferromagnetic properties. The average particle size is from 0.005 to 0.1 μm. Such ultrafine particle... | 01/11/1994 |
| 5211771 | Soft magnetic alloy material Fe-Ni, Fe-Ni-Cr or Fe-Ni-Cr-Mo magnetic alloy material, the surface roughness of which is adjusted to Rzࣙ0.5 or Raࣙ0.06, is disclosed. Parts made of this material has resistance to mutual adhesion or sticking when they are subjected to anealing treatm... | 05/18/1993 |
| 5190599 | Magnetic memory and magnetic alloy thereof A magnetic memory and a magnetic alloy thereof are disclosed, which comprise a magnetic alloy whose main phase is an iso-molar compound phase, the iso-molar compound phase being represented with general expression Pt(Fe1-x Mnx)Sn whe... | 03/02/1993 |
| 5164025 | Soft magnetic alloy film and a magnetic head using such soft a magnetic alloy film There is provided a soft magnetic alloy having a composition expressed by formula Cox Mz Cw, wherein M represents one or more than one of the metal elements including Ti, Zr, Hf, Nb, Ta, Mo, V and W, and x, w and z represe... | 11/17/1992 |
| 5158624 | Soft-magnetic nickel-iron-chromium alloy An alloy essentially consisting of 35-40% Ni, 5-14% Cr and balance Fe and unavoidable impurities has excellent alternating current magnetic characteristics and good direct current magnetic characteristics.... | 10/27/1992 |
| 5133814 | Soft magnetic thin film A novel soft magnetic amorphous alloy thin film which, on account of the composition of the film consisting in a combination of a transition metal, a metalloid or semiconducting element, namely B, C or Si and an oxide derived from the starting material, i... | 07/28/1992 |
| 5114669 | Ferromagnetic materials A ferromagnetic material having the formula MGa2-x Asx where 0.15ࣘxࣘ0.99 and M represents one of Fe3, Fe3 partially substituted by manganese or Fe3 partially substituted by cobalt.... | 05/19/1992 |
| 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: (Co1-x-y-z Fex Niy Mnz)100-a-b-c Ma Si... | 05/19/1992 |
| 5104464 | Soft magnetic alloy film A soft magnetic alloy film has a composition formula expressed by Fex Mz Cw. M is at least one metallic element selected from a group consisting of Ti, Zr, Hf, Nb, Ta, Mo or W, or a mixture of these metallic elements. The composition ratio of x, z and w s... | 04/14/1992 |
