Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8153188 | Method and apparatus for manufacturing magnetoresistive element The present invention relates to a method for manufacturing a magnetoresistive element having a magnetization pinned layer, a magnetization free layer, and a spacer layer including an insulating layer provided between the magnetization pinned layer and the magnetiza... | 04/10/2012 |
| 7919139 | CPP with elongated pinned layer CPP magnetic read head designs have been improved by increasing the length of the AFM layer relative to that of both the free and spacer layers. The length of the pinned layer is also increased, but by a lesser amount, an abutting conductive layer being inserted to ... | 04/05/2011 |
| 7887880 | Preparation and application of stabilized iron nanoparticles for dechlorination of chlorinated hydrocarbons in soils, sediments, and ground water A stabilized, chemically reactive, metallic nano-material effective for degradation of chlorinated organic compounds in soils, sediments and groundwater. The nano-material is composed of a magnetic metal nanoparticle and a carbohydrate stabilizer bound to the nanopa... | 02/15/2011 |
| 7807217 | Method of producing self-assembled cubic FePt nanoparticles and apparatus using same A method comprises: heating a solution of platinum acetylacetonate, Fe(CO)5, oleic acid, and oleylamine in dichlorobenzene to a reflux temperature, refluxing the solution, and using the solution to deposit FePt nanoparticles. A magnetic storage medium tha... | 10/05/2010 |
| 7776387 | Method for manufacturing a magneto-resistance effect element A method for manufacturing a magneto-resistance effect element includes: forming a first magnetic layer; forming a first metallic layer, on the first magnetic layer, mainly containing an element selected from the group consisting of Cu, Au, Ag; forming a functional ... | 08/17/2010 |
| 7695761 | Method and system for providing a spin tunneling magnetic element having a crystalline barrier layer The method and system for providing a spin tunneling element are disclosed. The method and system include depositing a pinned layer, a barrier layer, and a free layer. The barrier layer has a first crystal structure and a texture. The free layer includes a first fer... | 04/13/2010 |
| 7682653 | Magnetic disk with uniform lubricant thickness distribution A method for manufacturing a magnetic disk is provided that includes the steps: (a) forming a layer 128 of a lubricant material on a surface of a magnetic storage medium 300, the layer 128 of lubricant material... | 03/23/2010 |
| 7629021 | Method for producing a stamper The object of the present is to provide high-quality magnetic recording media capable of easy tracking, and allowing high-density recording, high-speed recording, and higher capacity without increasing the write-current at magnetic heads. The nanohole structure comp... | 12/08/2009 |
| 7618675 | Pattern forming method and method of processing a structure by use of same The present invention provides a pattern forming method using phase separation structure of self-assembling block copolymer and minimizing variations in pattern. A substrate having groove structure pre-formed thereon, is coated with a solution of the block copolymer... | 11/17/2009 |
| 7556838 | Soft magnetic material, powder magnetic core, method for manufacturing soft magnetic material, and method for manufacturing powder magnetic core A soft magnetic material includes a plurality of composite magnetic particles (30) having metallic magnetic particles (10) that are composed of pure iron, and an insulation film (20) that surrounds the surface of the metallic magnetic particles ... | 07/07/2009 |
| 7517555 | Copper plating solution and method for copper plating A copper plating solution according to the present invention is characterized by that it comprising 0.03 mol/L to 0.5 mol/L of copper sulfate, 0.05 mol/L to 0.7 mol/L of ethylenediaminetetraacetic acid and 0.02 mol/L to 0.3 mol/L of sulfite, and has a pH adjusted to... | 04/14/2009 |
| 7514118 | Method of electroless plating on a glass substrate and method of manufacturing a magnetic recording medium using the method of electroless plating A method of plating on a glass substrate allowing an electroless plating film with good adhesiveness to be formed by chemically bonding a silane coupling agent in a state of simple adhesion or hydrogen bond to the surface of the glass substrate through dehydration c... | 04/07/2009 |
| 7514117 | Method and apparatus for manufacturing magnetoresistive element The present invention relates to a method for manufacturing a magnetoresistive element having a magnetization pinned layer, a magnetization free layer, and a spacer layer including an insulating layer provided between the magnetization pinned layer and the magnetiza... | 04/07/2009 |
| 7491418 | Method of manufacturing a magnetic recording medium and the magnetic recording medium formed thereby A method of manufacturing a magnetic recording medium that exhibits high performance and high reliability includes forming a liquid lubricant layer capable of high coverage while retaining a film thickness of 1 nm to 2 nm. The magnetic recording medium includes an u... | 02/17/2009 |
| 7468196 | Measuring and neutralizing the electrical charge at the interface of a magnetic head and media A system and method for measuring and neutralizing the electrical charge at the interface of a magnetic head and a magnetic storage medium, such as a disk, is disclosed. A surface treatment material is applied to the magnetic head. The surface treatment material mat... | 12/23/2008 |
| 7438946 | Ferrite thin film, method of manufacturing the same and electromagnetic noise suppressor using the same A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic aniso... | 10/21/2008 |
| 7431961 | Composite free layer for CIP GMR device In this invention, we replace low resistivity NiFe with high-resistivity FeNi for the FL2 portion of a composite free layer in a CIP GMR sensor in order to minimize current shunting effects while still retaining both magnetic softness and low magnetostriction... | 10/07/2008 |
| 7418777 | Method on manufacturing spin valve film A method of manufacturing a spin valve film, produces a large read out signal. After a completion of a film making process for forming a previous film of two films to be formed successively, but before an initiation of a film making process for forming a succeeding ... | 09/02/2008 |
| 7410705 | Rare earth-transition metal alloy articles A phosphate bonded ceramic is used to provide a protective coating on a rare earth-transition metal (RE-TM) alloy substrate, conferring degradation resistance to the alloy by being oxidation resistant and acting as a diffusion barrier, thereby minimising/preventing ... | 08/12/2008 |
| 7407685 | Magnetic recording medium and the method of manufacturing the same A method of manufacturing a magnetic recording media includes a magnetic recording layer of a granular magnetic layer that has ferromagnetic crystal grains and an oxide nonmagnetic grain boundary or a nitride nonmagnetic grain boundary surrounding the ferromagnetic ... | 08/05/2008 |
| 7389577 | Method to fabricate an ESD resistant tunneling magnetoresistive read transducer A method to fabricate a tunneling magnetoresistive (TMR) read transducer is disclosed. An insulative layer is deposited on a wafer substrate, and a bottom lead is deposited over the insulative layer. A laminated TMR layer, having a plurality of laminates, is deposit... | 06/24/2008 |
| 7390529 | Free layer for CPP GMR having iron rich NiFe By using a free layer that includes a NiFe layer containing between 65 and 72 atomic percent iron, an improved CPP GMR device has been created. The resulting structure yields a higher CPP GMR ratio than prior art devices, while maintaining free layer softness and ac... | 06/24/2008 |
| 7390530 | Structure and process for composite free layer in CPP GMR device The conventional free layer in a CPP GMR read head has been replaced by a tri-layer laminate comprising Co rich CoFe, moderately Fe rich NiFe, and heavily Fe rich NiFe. The result is an improved device that has a higher MR ratio than prior art devices, while still m... | 06/24/2008 |
| 7390381 | Information recording medium and method of manufacturing the same An information recording medium that is excellent in repeated-rewriting performance and is deteriorated less in crystallization sensitivity with time is provided, with respect to which high density recording can be carried out. A method of manufacturing the same als... | 06/24/2008 |
| 7383626 | Methods for fabricating giant magnetoresistive (GMR) devices In a method of fabricating a giant magnetoresistive (GMR) device a plurality of magnetoresistive device layers is deposited on a first silicon nitride layer formed on a silicon oxide layer. An etch stop is formed on the magnetoresistive device layers, and a second l... | 06/10/2008 |
| 7381477 | Rare earth-transition metal alloy articles This invention provides a rare earth-transition metal (RE-TM) alloy structure comprising a RE-TM alloy substrate and a noble metal diffusion barrier disposed thereon. The noble metal diffusion barrier may be provided on the surface of the alloy substrate by an elect... | 06/03/2008 |
| 7371830 | Method for separating biological material from a fluid using magnetic particles Magnetic particles are prepared containing a magnetic core coated with a glass layer having a substantially pore-free glass surface or having pores with a diameter of less than 10 nm. The particles are used for separating biological material such as nucleic acids. A... | 05/13/2008 |
| 7367109 | Method of fabricating magnetic sensors with pinned layers with zero net magnetic moment A method for achieving a nearly zero net magnetic moment of pinned layers in GMR sensors, such as Co—Fe/Ru/Co—Fe, is described. The method determines a thickness of the first pinned layer which will yield the desired net magnetic moment for the pinned layers. A ... | 05/06/2008 |
| 7369357 | Magnetic head, head suspension assembly, magnetic reproduction apparatus, and method of manufacturing magnetic head A magnetic head for use in the vicinity of a magnetic recording medium, comprising a substrate, a close contact layer laminated on the substrate, and a protective layer which is laminated on the close contact layer and which faces the magnetic recording medium, the ... | 05/06/2008 |
| 7368146 | Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback device A magneto-optical recording medium has a recording layer and a reflective layer on a substrate. The recording layer has a layered structure in which at least one spinel ferrite (or rutile-type oxide or hematite) layer and at least one garnet ferrite layer are piled ... | 05/06/2008 |
| 7369372 | Exchange-coupled film including pinned magnetic layer composed of a plurality of cobalt-iron alloys having different compositions disposed on antiferromagnetic layer, and magnetic sensing element An exchange-coupled film includes a ferromagnetic layer and an antiferromagnetic layer disposed on each other, the magnetization direction of the ferromagnetic layer being pinned in one direction by an exchange coupling magnetic field generated at the interface betw... | 05/06/2008 |
| 7356909 | Method of forming a CPP magnetic recording head with a self-stabilizing vortex configuration A method is provided for forming a CPP MTJ or GMR read sensor in which the free layer is self-stabilized by a magnetization in a circumferential vortex configuration. This magnetization permits the pinned layer to be magnetized in a direction parallel to the ABS pla... | 04/15/2008 |
| 7356907 | Method of manufacturing a carriage assembly of a hard disk drive A method of manufacturing a cartridge assembly of a hard disk drive, including a step of forming a part of a wiring circuit into flying leads and a step of forming a coating layer on the respective opposite surfaces of the bonding surfaces of the flying leads, which... | 04/15/2008 |
| 7350284 | Methods of making a current-perpendicular-to-the-planes (CPP) type sensor by ion milling to the spacer layer using a mask without undercuts In one particular example, a plurality of CPP type sensor layers are formed over a wafer and a mask without undercuts is formed over the plurality of CPP type sensor layers in a central region. With the mask without undercuts in place, an ion milling process is star... | 04/01/2008 |
| 7349187 | Tunnel barriers based on alkaline earth oxides Magnetic tunnel junctions are disclosed that include ferromagnetic (or ferrimagnetic) materials and a bilayer tunnel barrier structure that includes a layer of alkaline earth oxide. The bilayer also includes a layer of crystalline material, such as MgO or Mg—ZnO. ... | 03/25/2008 |
| 7343668 | Method of manufacturing perpendicular magnetic recording head capable of highly precisely defining gap distance A method of manufacturing a perpendicular magnetic recording head is provided. The method accurately defines a gap layer. The method includes forming a lower gap layer made of a non-magnetic material on a main magnetic pole layer. An upper gap layer is formed on the... | 03/18/2008 |
| 7343669 | Method of manufacturing a thin film magnetic head A manufacturing method of a thin film magnetic head is provided. In the manufacturing method of a thin film magnetic head, an inorganic insulating layer is formed along at least a sidewall surface of each conductor part. A gap of each conductor part is filled by an ... | 03/18/2008 |
| 7341757 | Polymer nanotechnology Size-confined nanocomposite powders and methods for their manufacture are provided by coating fine powders with a nanoscale powder of a different composition. The nanocomposite plastics offer performance characteristics approaching those of metals and alloys. The na... | 03/11/2008 |
| 7340824 | Method for fabricating a magnetic head having an improved magnetic shield A first magnetic shield layer of the read head sensor is deposited upon a slider substrate surface. A patterned photoresist is then photolithographically fabricated upon the first magnetic shield layer with openings that are formed alongside the location at which th... | 03/11/2008 |
| 7337529 | Method for forming an electrical interconnect to a spring layer in an integrated lead suspension A method for forming an electrical interconnect to the spring metal layer in an integrated lead suspension or suspension component of the type having a multi-layer structure including a spring metal layer and a conductor layer separated by a dielectric insulator lay... | 03/04/2008 |
