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| Number | Title | Issue Date |
| 8110085 | Assisted deposition, narrow trench damascene process for manufacturing a write pole of a magnetic write head A method for forming a magnetic write head using a damascene process that does not form voids in the magnetic structure. An opening is formed in an alumina layer, the opening being configured to define a trench. Then a first layer of magnetic material is deposited i... | 02/07/2012 |
| 8048281 | Method for producing tight pitched coil with reduced processing steps Methods for fabricating thin film magnetic head coil structures are disclosed. The methods disclose deposition of a first thick seed layer, followed by deposition of an ultra-thin second seed layer. Coil structures having sub-micron pitch and high aspect ratios are ... | 11/01/2011 |
| 7441323 | Method of aligning components for installation on a head suspension assembly A head suspension for supporting a head slider over a storage media in a dynamic storage device is provided with a head suspension component having a spring metal layer, an electrically conductive layer and a dielectric layer interposed between the metal layer and t... | 10/28/2008 |
| 7441325 | Perpendicular head with trailing shield and rhodium gap process A perpendicular write head including a main pole and a trailing shield, the main pole being made of a diamond-like carbon (DLC) layer as hard mask and a rhodium (Rh) layer as shield gap, both DLC and Rh layers being CMP stop layers so as to avoid corner rounding and... | 10/28/2008 |
| 7398592 | Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads This invention describes a manufacturable method, including a CMP liftoff process, for removing masking materials after ion milling for fabricating the write pole of a magnetic head. Significant parameters for the CMP assisted liftoff process include the thickness o... | 07/15/2008 |
| 7389576 | Method of manufacturing micro flux gate sensor A method of manufacturing a micro flux gate sensor that has a good electrical connection and can be easily manufactured includes operations of forming a metal pattern, forming a first insulation layer to cover the metal pattern and forming viaholes to expose a certa... | 06/24/2008 |
| 7386930 | Method for manufacturing a magnetostrictive torque sensor For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral... | 06/17/2008 |
| 7370406 | Method of manufacturing a thin film structure A thin film magnetic head is described, the magnetic head having an insulating layer and a protrusion which has an upper portion and a base portion, and the upper portion has an extended portion. The insulating layer is present under the extending part. A method of ... | 05/13/2008 |
| 7363700 | Method of manufacturing a thin film magnetic head The present invention provides a thin film magnetic head achieving improved recording performance by sharpening recording magnetic field gradient as much as possible. The thin film magnetic head has a return yoke layer disposed on a trailing side of a magnetic pole ... | 04/29/2008 |
| 7360301 | Method of manufacturing a thin film magnetic head The invention is directed to improvement of a write element of a thin film magnetic head. The first pole portion projects from a flat surface of a first yoke portion at a medium-facing surface side and having a reduced width at its upper end. The second pole portion... | 04/22/2008 |
| 7351314 | Chambers, systems, and methods for electrochemically processing microfeature workpieces Chambers, systems, and methods for electrochemically processing microfeature workpieces are disclosed herein. In one embodiment, an electrochemical deposition chamber includes a processing unit having a first flow system configured to convey a flow of a first proces... | 04/01/2008 |
| 7351315 | Chambers, systems, and methods for electrochemically processing microfeature workpieces Chambers, systems, and methods for electrochemically processing microfeature workpieces are disclosed herein. In one embodiment, an electrochemical deposition chamber includes a processing unit having a first flow system configured to convey a flow of a first proces... | 04/01/2008 |
| 7351593 | Method of improving on-chip power inductor performance in DC-DC regulators A method is provided for forming the ferromagnetic core of an on-chip inductor structure. In accordance with the method, a static, permanent magnet is placed in proximity to a semiconductor wafer upon which the ferromagnetic core is being electroplated. The permanen... | 04/01/2008 |
| 7328499 | Method of manufacturing a thin film magnetic head Provided is a thin film magnetic head capable of inhibiting the occurrence of track erasing and improving the reliability of magnetic recording. Two taper surfaces are disposed on both sides of a return yoke layer. As no corner portion which may induce concentration... | 02/12/2008 |
| 7323757 | System for field assisted statistical assembly of wafers A wafer having heterostructure therein is formed using a substrate with recesses formed within a dielectric layer. A magnetized magnetic layer or a polarized electret material is formed at the bottom of each recess. The magnetized magnetic layer or a polarized elect... | 01/29/2008 |
| 7310870 | Method for forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft of magnetostrictive torque sensor For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive-coat forming method comprises a step of fitting a cylindrical masking jig over the outer peripheral... | 12/25/2007 |
| 7304555 | Permalloy loaded transmission lines for high-speed interconnect applications To facilitate high frequency operation, transmission lines for high-speed interconnect applications in CMOS technologies are loaded with patterned permalloy or other ferromagnetic material films. Patterning the permalloy films as a plurality of segments results in c... | 12/04/2007 |
| 7267757 | Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 2... | 09/11/2007 |
| 7266881 | Method of manufacturing a top portion and a bottom portion for later assembly of a hermitically sealed hard disk drive A hermetically sealed mobile hard disk drive that combines high storage capacity and performance with low power consumption and portable operation, including an integrated base substrate. One embodiment is a method for fabricating an integrated base substrate with a... | 09/11/2007 |
| 7264698 | Apparatus and methods for electrochemical processing of microelectronic workpieces An apparatus and method for electrochemical processing of microelectronic workpieces in a reaction vessel. In one embodiment, the reaction vessel includes: an outer container having an outer wall; a distributor coupled to the outer container, the distributor having ... | 09/04/2007 |
| 7249407 | Method of manufacturing magnetic head A method of manufacturing a magnetic head is provided which can improve controlling a thickness of a gap layer. A coil base layer having at least a surface layer formed of one or two or more alloys selected from Au, Ru, and Rh is formed on a contact layer. Thereby, ... | 07/31/2007 |
| 7247222 | Electrochemical processing cell Embodiments of the invention may generally provide a small volume electrochemical plating cell. The plating cell generally includes a fluid basin configured to contain a plating solution therein, the fluid basin having a substantially horizontal weir. The cell furth... | 07/24/2007 |
| 7240419 | Method of manufacturing a magnetoresistance effect element A method of manufacturing a magnetoresistance effect element includes forming an insulating layer on a first ferromagnetic layer, forming an aperture reaching the first ferromagnetic layer by thrusting a needle from the top surface of the insulating layer, and depos... | 07/10/2007 |
| 7236081 | Inductor and method of forming the same An inductor pattern is formed on a substrate. A conductive pattern having a concave-convex structure is formed on the inductor pattern to increase a surface area of the inductor pattern. An insulation layer is formed on the inductor pattern. After a groove is formed... | 06/26/2007 |
| 7231707 | Method of manufacturing planar inductors Method of forming a ferromagnetic layer on at least one surface of a dielectric material that may be serve as an inductive core on a printed circuit board or a multichip module. Conductive leads can form two separate coils around the core to form a transformer, and ... | 06/19/2007 |
| 7228619 | Method of manufacturing a magnetic head with common seed layer for coil and pedestal A method for fabricating a coil and pedestal for a write head using a common seed layer is described. A nonmetallic gap layer is deposited on a planarized pole piece surface. Openings for the pole piece pedestal and the back gap pole piece are etched through the non... | 06/12/2007 |
| 7229535 | Hydrogen bubble reduction on the cathode using double-cell designs An apparatus and method for planarizing a surface of a substrate using a chamber separated into two parts by a membrane, and two separate electrolytes is provided. The embodiments of the present invention generally provide an electrochemical mechanical polishing sys... | 06/12/2007 |
| 7219414 | Method of manufacturing magnetic head for perpendicular magnetic recording A main pole layer of a magnetic head includes a first portion disposed at a distance from a medium facing surface, and a second portion that is smaller in thickness than the first portion and disposed between the first portion and the medium facing surface. The step... | 05/22/2007 |
| 7207099 | Method of manufacturing thin-film magnetic head having a magnetism intercepting layer provided between read head and write head A thin-film magnetic head comprises a read head and a write head. The read head and the write head are placed such that a top shield layer of the read head and a bottom pole layer of the write head are opposed to each other. A magnetism intercepting layer is provide... | 04/24/2007 |
| 7197815 | Method of manufacturing the electromagnetic actuator An electromagnetic actuator comprises a core with a coil wound around a stator magnetically coupled to each end of the cored a movable element that can be displaced relative to the stator, and a supporting means for supporting the movable element. The stator and the... | 04/03/2007 |
| 7185419 | Method of manufacturing a mask for evaporation A mask frame assembly for evaporation includes a mask and a frame which supports the mask. The mask includes a metal layer having a predetermined pattern, and a coating layer which is formed on a surface of the metal layer so as to increase a precision of the predet... | 03/06/2007 |
| 7179360 | Soft magnetic film having improved saturated magnetic flux density, magnetic head using the same, and manufacturing method therefore A lower magnetic pole layer and/or an upper magnetic pole layer are formed of a CoFeα alloy in which the component ratio X of Co is 8 to 48 mass %, the component ratio Y of Fe is 50 to 90 mass %, the component ratio Z of the element α (the element α is at least o... | 02/20/2007 |
| 7174623 | Method of providing protection to the pole piece of a magnetic head during its manufacture with use of a selectively etchable material A method of making a magnetic head involves providing a partially constructed magnetic head which has a top surface formed by a front P2 pole tip, a back gap P2 pedestal, and insulator materials disposed between the front P2 pole tip and the bac... | 02/13/2007 |
| 7168154 | Method of constructing an integrated lead suspension An integrated lead suspension includes a solder ball that is placed between a lead wiring pad provided on a flexure of the suspension, and a bonding pad provided on a slider of a head gimbal section. The lead wiring pad and bonding pad are soldered by melting the so... | 01/30/2007 |
| 7146712 | Pattern forming method and method of making microdevice A metal film made of a metal material (e.g., NiFe, CoFeNi, or FeCo) including an iron atom is formed on a substrate (S101). Subsequently, the metal film formed on the substrate is plasma-processed in an environment including a gas (e.g., an oxygen gas having ... | 12/12/2006 |
| 7137188 | Method of constructing an integrated lead suspension An integrated lead suspension includes a solder ball that is placed between a lead wiring pad provided on a flexure of the suspension, and a bonding pad provided on a slider of a head gimbal section. The lead wiring pad and bonding pad are soldered by melting the so... | 11/21/2006 |
| 7137189 | Method of constructing an integrated lead suspension An integrated lead suspension includes a solder ball that is placed between a lead wiring pad provided on a flexure of the suspension, and a bonding pad provided on a slider of a head gimbal section. The lead wiring pad and bonding pad are soldered by melting the so... | 11/21/2006 |
| 7135103 | Preparation of soft magnetic thin film A soft magnetic thin film of CoFe alloy having a high Br and low Hc is prepared by furnishing a plating tank including cathode and anode compartments which are separated by a diaphragm or salt bridge so as to permit charge transfer, but inhibit penetration of Fe ion... | 11/14/2006 |
| 7127800 | Narrow write head pole tip fabricated by sidewall processing The magnetic head includes a P2 pole tip in which the P2 pole tip material is electroplated upon a sidewall of the P2 pole tip photolithographic trench. To accomplish this, a block of material is deposited upon a write gap layer, such that a gen... | 10/31/2006 |
| 7129177 | Write head fabrication by inverting order of process steps During fabrication of a write head via holes are first opened in a gap layer, followed by formation of seed layers instead of the other way around. Moreover a first seed layer is formed, and without the first seed layer being used a second seed layer is formed. The ... | 10/31/2006 |
