| Document |
Document Title |
|
7377985 |
The present invention provides a tempering process for sintered Nd—Fe—B permanent magnet material, which optimizes the microstructure of the Nd—Fe—B magnet and improves intrinsic coercive force and its consistency by increasing t...
|
|
7323067 |
A method of manufacturing a magneto-resistance effect type head that includes an element portion of magneto-resistance effect type and reproduces a read signal of data from a recording medium by the element portion, is proposed. The meth...
|
|
7316752 |
The step of preparing a rapidly solidified alloy by rapidly quenching a melt of an R-T-B-C based rare-earth alloy (where R is at least one of the rare-earth elements including Y, T is a transition metal including iron as its main ingredi...
|
|
7309396 |
Restoring magnetostriction characteristics without causing fusion of rod. By performing heat treatment on a giant magnetostrictive material within the temperature range of 750 to 860° C., working distortion is removed while bleeding of ...
|
|
7276128 |
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providi...
|
|
7207102 |
Methods are provided for forming a plurality of permanent magnets with two different north-south magnetic pole alignments for use in microelectromechanical (MEM) devices. These methods are based on initially magnetizing the permanent mag...
|
|
7192492 |
In the production of electrical steel strips, a special islab-reheating treatment before hot rolling is carried out so that the maximum temperature within the furnace is reached by the slab well before its extraction from the furnace. Du...
|
|
7144463 |
The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates ...
|
|
7128790 |
The invention concerns an iron-cobalt alloy, characterised in that it comprises in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C; a total of O, N and S content rang...
|
|
7096075 |
For determination as to whether there is a possibility that temperature control satisfying conditions according to an upper limit LH_i and a lower limit LL_i of the annealing control temperatures of annealing object steel sections i will...
|
|
7089648 |
There is provided a magnetoresistive head which can realize high sensitivity and low noise even when the reading track is being reduced. Longitudinal biasing is performed to a ferromagnetic free layer whose magnetization is rotated accor...
|
|
7041204 |
A PVD component forming method includes inducing a sufficient amount of stress in the component to increase magnetic pass through flux exhibited by the component compared to pass through flux exhibited prior to inducing the stress. The m...
|
|
7011718 |
A bulk amorphous metal magnetic component has a plurality of laminations of ferromagnetic amorphous metal strips adhered together to form a generally three-dimensional part having the shape of a polyhedron. The component is formed by sta...
|
|
7005014 |
A laminate structure includes an antiferromagnetic layer, a pinned magnetic layer, and a seed layer contacting the antiferromagnetic layer on a side opposite to pinned magnetic layer. The seed layer is constituted mainly by face-centered...
|
|
6964711 |
A process for the production of grain oriented electrical Fe-Si strips in which a Si-containing alloy is directly cast as a strip between 2.5–5.0 mm thick and cold rolled in one stage, or in more stages with intermediate annealing, to ...
|
|
6949148 |
A method of stress inducing transformation from the austenite phase to the martensite phase by conducting cold working on material of austenite stainless steel in the temperature range from the point Ms to the point Md. The above cold wo...
|
|
6933509 |
The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and a cycling system support...
|
|
6893511 |
The invention relates to a semi-hard magnetic material having rectangular hysteresis loop and superior magnetization steepness and a method of producing a bias material preferably used for a magnetic marker. This method comprises the ste...
|
|
6848169 |
A fabrication method of a magnetic tunnel junction includes the steps of: forming a magnetic tunnel junction constructed having a first magnetic layer, a tunnel barrier formed at an upper surface of the first magnetic layer and a second ...
|
|
6830634 |
A thin metallic ferromagnetic alloy ribbon is annealed by continuously transporting it through an oven in order to induce specific magnetic characteristics and in order to remove a production-inherent longitudinal curvature of the ribbon...
|
|
6803118 |
A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.0 to 4.5 weight % Al, 0.5 to 3 weight % Ti and the balance iron.
|
|
6800143 |
The present invention provides a supermagnetostrictive alloy capable of providing a larger shift (lager magnetostriction) with excellent workability, which is applicable to an actuator in response to advances in downsizing of electronic ...
|
|
6783798 |
Thin, flexible composite materials, which are magnetic or magnetizable and processes for producing and using the materials. The composite material contains a laminate formed from a mixture of magnetic or magnetizable particles, binder pa...
|
|
6779248 |
In bottom spin valves of the lead overlay type the longitudinal bias field that stabilizes the device tends to fall off well before the gap is reached. This problem has been overcome by providing a manufacturing process that includes ins...
|
|
6773514 |
The present invention relates to a method for producing non grain-oriented magnetic steel sheets in which hot strip is produced from an input stock such as cast slabs, strip, roughed strip, or thin slabs, made of steel comprising (in wei...
|
|
6767412 |
The invention relates to a method for producing non-grain-oriented hot-rolled magnetic steel sheet in which from a raw material such as cast slabs, strip, roughed strip or thin slabs produced from a steel comprising (in weight %) C: 0.00...
|
|
6758915 |
The invention is a grain-oriented magnetic steel sheet having extremely low iron loss, suitable for use as an iron core material for transformers and power generators, and a method for producing the same. The method includes forming a co...
|
|
6750459 |
The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and an auxliary heating devi...
|
|
6699332 |
A method of producing a magnetic recording medium comprising the steps of providing a substrate having a layer of a non-magnetic material that can be converted into a magnetic state by annealing, and then converting selected portions of ...
|
|
6692582 |
A hard magnetic alloy in accordance with the present invention is composed of at least element T selected from the group consisting of Fe, Co and Ni, at least one rare earth element R, and boron (B). The hard magnetic alloy has an absolu...
|
|
6689490 |
Display Element for Employment in a Magnetic Anti-theft Security System A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.5 to 4.5 weight % Al, 0.5 ...
|
|
6666930 |
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 % platin...
|
|
6663981 |
A marker for use in a magnetic anti-theft security system has an amorphous ferromagnetic alloy alarm strip and at least one activation strip. The semi-hard magnetic alloy for the activation strip contains 8 to 25 weight % Ni, 1.5 to 4.5 ...
|
|
6648994 |
The present invention provides a method for producing a Fe-based amorphous alloy ribbon comprising the steps of: ejecting a molten Fe-based alloy containing 10 atomic % or less of B onto a cooling roll to solidify the molten Fe-based all...
|
|
6648985 |
A laminate structure includes an antiferromagnetic layer, a pinned magnetic layer, and a seed layer contacting the antiferromagnetic layer on a side opposite to pinned magnetic layer. The seed layer is constituted mainly by face-centered...
|
|
6645314 |
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providi...
|
|
6623566 |
A method for selecting alloying elements for complex, multi-component amorphous metal alloys is provided in which the solvent element is the largest atom with a concentration of 40-80 at %, the second most concentrated element has a radi...
|
|
6612154 |
Systems and methods for monitoring a heat treating atmosphere derive from at least one sensor placed in situ in the atmosphere a process variable, which is indicative of the ratio of gaseous hydrogen H 2 (g) to water vapor H 2 O(g) in th...
|
|
6610421 |
A spin electronic material exhibiting a spin-dependent electronic effect includes zincblende TE-VE, where TE stands for V, Cr or Mn and VE stands for As or Sb.
|
|
6596101 |
Preferred embodiments of the invention provide new nanostructured materials and methods for preparing nanostructured materials having increased tensile strength and ductility, increased hardness, and very fine grain sizes making such mat...
|
|
6589366 |
Method of making an active magnetic refrigerant represented by Gd 5 (Si x Ge 1−x ) 4 alloy for 0≦x≦1.0 comprising placing amounts of the commercially pure Gd, Si, and Ge charge components in a crucible, heating the charge contents...
|
|
6588092 |
Method for producing a magnetic head of a pair of magnetic core halves combined with a nonmagnetic layer therebetween including forming a winding window in at least one of a pair of generally flat oxide magnetic plates, forming at least ...
|
|
6579635 |
A ferromagnetic film suitable for ultra-high density perpendicular recording, and a process for producing the film. The process generally entails forming a film of ferromagnetic material on a surface of a substrate, such that the film is...
|
|
6562473 |
Electrical steel sheets having superior magnetic properties, anti-noise properties, and workability, are ideal for use a compact iron core material in electric apparatuses, such as compact transformers, motors, and electric generators. A...
|
|
6551416 |
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system has improved magnetoresonant properties and/or reduced eddy current losses by virtue of being annealed so that the resonator has ...
|
|
6528181 |
A plated steel sheet and a connection terminal material using the plated steel sheet have low contact resistance and excellent corrosion resistance. The coated film, which has excellent adhesion, is formed by coating a stainless steel ba...
|
|
6514358 |
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.
|
|
6500570 |
A spin-valve magnetoresistive element includes an antiferromagnetic layer, a first pinned magnetic layer, a nonmagnetic interlayer, a second pinned magnetic layer, a nonmagnetic conductive layer, a free magnetic layer, a pair of longitud...
|
|
6482271 |
The present invention relates to a grain-oriented electrical steel sheet excellent in magnetic properties, which are improved by irradiating laser beams onto the positions paired on the both surfaces of the steel sheet and forming fine c...
|
|
6478892 |
The present invention provides a non-oriented electrical steel sheet having crystal grains of small diameter and excellent workability before stress relief annealing and having crystal grains of largely grown diameter and excellent iron ...
|
