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| Number | Title | Issue Date |
| 8185685 | NAND flash module replacement for DRAM module An electronic memory module according to the invention provides non-volatile memory that can be used in place of a DRAM module without battery backup. An embodiment of the invention includes an embedded microprocessor with microcode that translates the FB-DIMM addre... | 05/22/2012 |
| 8107177 | Electrical interconnect system with integrated transmission- line compensation components Impedance compensation features are used along the transmission-line path between a transmitter/driver/source and the receiver/transducer to compensate for the impedance discontinuities or mismatches (for example, those caused by physical interconnection features) a... | 01/31/2012 |
| 8084682 | Multiple band gapped cadmium telluride photovoltaic devices and process for making the same A heterojunction photovoltaic device for the production of electrical energy in response to the incident light includes an optically transparent substrate, a front contact formed of an transparent conductive oxide for collecting light generated charge carriers, an n... | 12/27/2011 |
| 8015568 | Disk drive/CPU architecture for distributed computing A disk drive is described which executes distributed computing tasks including a CPU and associated memory. The communication interface with the host computer is modified to allow the host computer to send executable code for a task to the drive and to allow the dri... | 09/06/2011 |
| 8006047 | Storage device with write barrier sensitive write commands and write barrier insensitive commands The invention is a storage device which implements a write barrier command and provides means for a host to designate other write commands as being sensitive or insensitive to the existence of write barrier commands. The device can optimize the execution of commands... | 08/23/2011 |
| 7976964 | Disk drive with laminated magnetic thin films with sublayers for magnetic recording The invention includes a disk drive with a magnetic recording disk with an upper and lower sublayer in at least one magnetic layer of a laminated magnetic layer structure that includes a spacer layer that substantially decouples the magnetic layers. The lower sublay... | 07/12/2011 |
| 7964297 | Adhesion layer for thin film magnetic recording medium The invention uses an adhesion layer of an amorphous alloy of aluminum. A first aluminum titanium embodiment of the amorphous adhesion layer preferably contains approximately equal amounts of aluminum and titanium (+/−5 at. %). A second embodiment of the amorphous... | 06/21/2011 |
| 7960252 | Method for forming a semiconductor film including a film forming gas and decomposing gas while emitting a laser sheet An apparatus for high-rate chemical vapor (CVD) deposition of semiconductor films comprises a reaction chamber for receiving therein a substrate and a film forming gas, a gas inlet for introducing the film forming gas into the reaction chamber, an incidence window i... | 06/14/2011 |
| D632074 | Totebag | 02/08/2011 |
| 7786754 | High speed digital signaling apparatus and method using reflected signals to increase total delivered current A signaling apparatus and method are described that use reflected signals to increase the total current delivered to a receiver. Dynamic source-side transmission line termination control is employed to generate reflected signals that constructively add to a nonrefle... | 08/31/2010 |
| 7774540 | Storage system and method for opportunistic write-verify A storage system that stores verify commands for all the write commands requiring verification in a verify-list that will be processed as a background task is described. The verify-list can include coded data fields that flexibly designate selected alternative state... | 08/10/2010 |
| 7743417 | Data storage device with code scanning capability A disk drive according to the invention has a processor for executing a program for identifying harmful computer code (HCC). A communication protocol with the host computer according to the invention provides means for the host to control the HCC detection process, ... | 06/22/2010 |
| 7742258 | Magnetic transducer with milling mask A method for fabricating a magnetic head with a trapezoidal shaped pole piece tip is described. The body of the main pole piece is deposited; then one or more layers for the pole piece tip are deposited. A bed material is deposited over the pole piece tip material. ... | 06/22/2010 |
| 7741003 | Photoresist transfer pads A resist transfer pad and method of use are described for forming a uniform photoresist on the surface of a workpiece such as a slider. The resist transfer pad includes a layer of cured polydimethylsiloxane (PDMS) on a cushioning layer, e.g. silicone rubber, and an ... | 06/22/2010 |
| 7733591 | Data storage device with data recovery process using fixed phase clocking for analog-to-digital conversion The invention includes apparatus and methods that allow a data storage device perform an enhanced data recovery procedure (DRP) that includes obtaining a new digital sampling of the voltages for the failing unit of data by re-reading the analog signal and converting... | 06/08/2010 |
| 7652855 | Magnetic sensor with extended free layer and overlaid leads A lead overlay design of a magnetic sensor is described with sensor and free layer dimensions such that the free layer is stabilized by the large demagnetization field due to the shape anisotropy. In one embodiment the giant magnetoresistive (GMR) effect under the l... | 01/26/2010 |
| 7651794 | Adhesion layer for thin film magnetic recording medium The invention uses an adhesion layer of an amorphous alloy of aluminum. A first aluminum titanium embodiment of the amorphous adhesion layer preferably contains approximately equal amounts of aluminum and titanium (+/−5 at. %). A second embodiment of the amorphous... | 01/26/2010 |
| 7627942 | Method for using CVD process to encapsulate coil in a magnetic write head A method for fabricating a magnetic write head with a coil with a high aspect ratio using a Chemical Vapor Deposition process such as Atomic Layer Deposition (ALD), High Speed ALD, Plasma Enhanced ALD (PEALD), Plasma Enhanced Chemical Vapor Deposition (PECVD) or Low... | 12/08/2009 |
| 7588884 | Method for enhancing wafer alignment marks A method of enhancing alignment marks defined in a relatively thin layer on a wafer by etching the alignment marks into an underlying alignment mark transfer layer is described. The target area for the alignment marks is prepared by depositing material for the trans... | 09/15/2009 |
| 7560225 | Method of forming uniform features using photoresist A process for ion milling using photoresist as a mask is described. In a preferred embodiment the invention is used in the fabricating air-bearing features on sliders for use in magnetic storage devices. According to the invention the photoresist (liquid or dry) is ... | 07/14/2009 |
| 7556870 | Antiferromagnetically coupled media for magnetic recording with weak coupling layer An embodiment of the invention is a layered magnetic thin film structure that uses antiferromagnetically coupled (AFC) magnetic layers where the top layer structure consists of an upper magnetic layer that is weakly ferromagnetically coupled via a nonmagnetic or wea... | 07/07/2009 |
| 7526856 | Method for fabricating a magnetic head using a ferrofluid mask A method for fabricating sliders (magnetic heads) with a recessed surface around a magnetic feature such as the active components of the write head on the air-bearing surface (ABS) is described. An embodiment of the method applies a positive photoresist to the expos... | 05/05/2009 |
| 7500303 | Method of fabricating a magnetic sensor on a wafer A read head for a disk drive and a method of fabricating the read head with overlaid lead pads that contact the top surface of the sensor between the hardbias structures to define the electrically active region of the sensor are described. The invention deposits the... | 03/10/2009 |
| 7474507 | Storage device having slider with sacrificial extension aligned with channel on opposite surface A disk drive including a slider with one or more sacrificial structures (extensions) that facilitate lapping to create the air-bearing surface (ABS) is described. The slider includes a magnetic transducer and has a remaining portion of a sacrificial extension protru... | 01/06/2009 |
| 7440230 | Perpendicular recording head with floating-trailing shield extending around first and second sides of main pole piece Heads for perpendicular recording using a floating-trailing shield are described. The floating-trailing shield is separated from the main pole piece by a layer of non-magnetic material along its entire length and the air bearing surface of the floating-trailing shie... | 10/21/2008 |
| 7436626 | Clamp assembly for a data storage device with a lubricant trap to prevent lubricant migration from mounting screws An embodiment of the invention clamp assembly for a disk which includes a cavity for trapping the excess lubricant which migrates from the load bearing threads of the screws that hold the assembly in place. In a preferred embodiment a flexible structure, called a sc... | 10/14/2008 |
| 7429493 | Method for fabricating a magnetic head for perpendicular recording using a CMP lift-off and resistant layer A method using a CMP resistant hardmask in a process of fabricating a pole piece for a magnetic head is described. A set of layers used as the mask for milling the pole piece preferably includes a CMP resistant hardmask of silicon dioxide, a resist hardmask, an uppe... | 09/30/2008 |
| 7419730 | Magnetic recording disk with antiferromagnetically coupled master layer including copper An antiferromagnetically coupled (AFC) magnetic recording medium with an AFC master layer comprising at least two magnetic layers with the top magnetic layer including copper is described. The slave layer is separated from the master layer structure by a nonmagnetic... | 09/02/2008 |
| 7405011 | Magnetic recording media for tilted recording A recording medium according to the invention has a magnetic recording layer with an L10 magnetic material deposited with a (111) preferred orientation and soft underlayer (SUL). One set of embodiments includes an intermediate layer (seed layer or underla... | 07/29/2008 |
| 7377024 | Method of making a magnetic write head with trailing shield throat pad A method of fabricating a magnetic transducer is described which uses a trailing shield throat pad to set the trailing shield throat height. The trailing shield throat pad is used as a part of the structural form over which the material for the trailing shield is fo... | 05/27/2008 |
| 7376786 | Command stack management in a disk drive An intelligent disk drive is described which includes means for prioritizing execution of command by maintaining an associated priority with each command in a pending command list and executing the highest priority commands first. The command structure according to ... | 05/20/2008 |
| 7367112 | Method of fabricating a head for perpendicular magnetic recording with a self-aligning side shield structure A method is provided for fabricating a head for perpendicular recording with self-aligning side shields. The voids where the side shields will be formed are milled into the layer of material for the pole tip to achieve self-alignment. A mask is patterned with openin... | 05/06/2008 |
| 7360296 | Method for reducing damage to sliders during lapping A process is described for fabricating sliders with reduced lapping damage to the hard-bias materials. The stack of layers for the magnetic sensor is deposited on a wafer and patterned into an initial shape. The hard-bias structures are fabricated at the side of the... | 04/22/2008 |
| 7362533 | Disk drive with slider burnishing-on-demand A disk drive is described having a capability of burnishing the sliders on demand by using a heater in the slider to thermally protrude the slider. Each slider includes a heating element with a sufficient thermal expansion stroke to bring the area of the slider cont... | 04/22/2008 |
| 7323350 | Method of fabricating thin film calibration features for electron/ion beam image based metrology A method of making and using thin film calibration features is described. To fabricate a calibration standard according to the invention raised features are first formed from an electrically conductive material with a selected atomic number. A conformal thin film la... | 01/29/2008 |
| 7300713 | Magnetic thin film media with an underlayer of CrMoZr, CrMoNb or CrMoMn A thin film disk for use in magnetic recording with an underlayer structure that includes a layer of CrMoZr, CrMoNb or CrMoMn is described. The preferred embodiment includes a circumferentially textured glass substrate, a pre-seed layer, a B2 seed layer, an underlay... | 11/27/2007 |
| 7300556 | Method for depositing a thin film adhesion layer A method of physical vapor deposition (PVD) is disclosed in which xenon is used as the operating gas in the vacuum chamber in the deposition of an adhesion layer, preferably silicon, which allows the adhesion layer to be ultra-thin with improved durability over prio... | 11/27/2007 |
| 7279424 | Method for fabricating thin film magnetic heads using CMP with polishing stop layer A method is described for thin film processing using a selected CMP slurry with a silicon dioxide stop layer. The slurry includes an abrasive, preferably alumina, a corrosion inhibitor, preferably benzotriazole (BTA), and an oxidizer preferably hydrogen peroxide. Th... | 10/09/2007 |
| 7276262 | Control of process timing during manufacturing of magnetic thin film disks A method is presented for controlling process delay times between a) thin film deposition and lubricant application, and b) lubricant application and abrasive polishing. Applicants have discovered that for certain lubricants, a minimum delay time after the overcoat ... | 10/02/2007 |
| 7254884 | Method for fabricating a pole tip in a magnetic transducer using feed-forward and feedback Methods for fabricating pole piece tips for a magnetic transducer are disclosed. The ion-milling operations for trimming P2 and notching P1 are controlled using feed-forward and feedback. The preferred method of the invention includes steps for setting... | 08/14/2007 |
