Patent application number | Description | Published |
20120280774 | Magnetoresistive Shield with Lateral Sub-Magnets - A magnetic shield for a magnetoresistive (MR) reader has one or more lateral hard magnets and a ferromagnetic shielding layer with at least one hard sub-magnet in a lateral notch in the shielding layer. The notch allows the shielding layer to contact the sub-magnet on surfaces along multiple normal planes. | 11-08-2012 |
20120281319 | Magnetoresistive Shield - A magnetic shield that is capable of enhancing magnetic reading. In accordance with various embodiments, a magnetic element has a magnetically responsive stack shielded from magnetic flux and biased to a predetermined default magnetization by at least one lateral side shield that has a transition metal layer disposed between first and second ferromagnetic layers. | 11-08-2012 |
20120281320 | Magnetoresistive Shield with Stabilizing feature - A magnetoresistive (MR) reader is adjacent to at least one shield that extends from an air bearing surface (ABS) a first distance. The shield has a stabilizing feature that is contactingly adjacent the MR reader and extends from the ABS a second distance that is less than the first distance. | 11-08-2012 |
20130288076 | STACK WITH WIDE SEED LAYER - A stack having a seed layer structure with a first part having a first cross-track width and a free layer deposited over the seed layer structure and with a second cross-track width, wherein the first cross-track width is greater than the second cross-track width. In one implementation, the seed layer structure further comprises an antiferromagnetic (AFM) layer and a synthetic antiferromagnetic (SAF) layer. In one alternate implementation, the cross-track width of the seed layer structure is substantially equal to the combined cross-track width of the free layer and cross-track width of two permanent magnets. | 10-31-2013 |
20130293225 | Magnetic Sensor Seed Layer with Magnetic and Nonmagnetic Layers - A magnetic sensor has a bottom shield layer, an upper shield layer, and a sensor stack adjacent the upper shield layer. The sensor includes a seed layer between the bottom shield layer and an antiferromagnetic layer of the sensor stack. The seed layer has a magnetic layer adjacent the sensor stack and a nonmagnetic layer adjacent the bottom shield layer. | 11-07-2013 |
20130341743 | DEVICES INCLUDING TANTALUM ALLOY LAYERS - A device that includes a sensor stack, the sensor stack including a reference layer, a free layer and a barrier layer positioned between the reference layer and the free layer; a seed layer; and a cap layer, wherein the sensor stack is positioned between the seed layer and the cap layer, and wherein at least one of the seed layer or the cap layer includes TaX, wherein X is selected from Cr, V, Ti, Zr, Nb, Mo, Hf, W, or a combination thereof. | 12-26-2013 |
20140104729 | Shield Stabilization Configuration with Applied Bias - An apparatus includes a sensor stack, first and second shields positioned on opposite sides of the sensor stack, and a first shield stabilization structure adjacent to the first shield and applying a bias magnetic field to the first shield. A second shield stabilization structure can be positioned adjacent to the second shield. | 04-17-2014 |
20140160596 | DATA STORAGE DEVICE WITH VARIABLE ANISOTROPY SIDE SHIELD - Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield on an air bearing surface (ABS). The side shield can be configured with a predetermined anisotropy variation along a down-track direction. | 06-12-2014 |
20140168818 | READ SENSOR FOR RECORDING HEAD - Implementations described and claimed herein provide a read sensor structure having a synthetic anti-ferromagnetic (SAF) structure with a pinning that is canted with respect to an air bearing surface (ABS) of the read sensor. In an implementation of the read sensor, the angle between the pinning direction of a reference layer (RL) and the pinning direction of a free layer (FL) is obtuse. | 06-19-2014 |
20140212691 | MAGNETIC ELEMENT ELECTRODE LAMINATION - Various embodiments may be generally directed to a magnetic element capable of optimized magnetoresistive data reading. Such a magnetic element may be configured at least with a magnetoresistive stack that has an electrode lamination having at least a transition metal layer disposed between a magnetically free layer of the magnetoresistive stack and an electrode layer of the electrode lamination. | 07-31-2014 |
20140218821 | DATA READER WITH MAGNETIC SEED LAMINATION - A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one non-magnetic layer decoupling the data reader stack from the at least one magnetic layer. | 08-07-2014 |
20140268417 | BOTTOM SHIELD STABILIZED MAGNETIC SEED LAYER - A data reader generally capable of sensing data bits may be configured at least with a magnetic stack that has free and fixed magnetization structures atop a magnetic seed layer. A bottom shield may be positioned contactingly adjacent the magnetic stack opposite a top shield with the bottom shield having a fixed pinning magnetization set to a predetermined magnetic orientation. | 09-18-2014 |
20140356648 | STACK WITH WIDE SEED LAYER - A stack having a seed layer structure with a first part having a first cross-track width and a free layer deposited over the seed layer structure and with a second cross-track width, wherein the first cross-track width is greater than the second cross-track width. In one implementation, the seed layer structure further comprises an antiferromagnetic (AFM) layer and a synthetic antiferromagnetic (SAF) layer. In one alternate implementation, the cross-track width of the seed layer structure is substantially equal to the combined cross-track width of the free layer and cross-track width of two permanent magnets. | 12-04-2014 |
20150084624 | MAGNETORESISTIVE SENSOR - Implementations disclosed herein allow a signal detected by a magnetoresistive (MR) sensor to be improved by providing for one or more alloyed layers that each include a ferromagnetic material and a refractory material. The alloyed layers are provided adjacent to a shield element or between soft magnetic layers of the sensor stack. | 03-26-2015 |
20150103438 | Data Reader with Magnetic Seed Lamination - A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one non-magnetic layer decoupling the data reader stack from the at least one magnetic layer. | 04-16-2015 |
20150311430 | MAGNETORESISTIVE SENSOR - Implementations disclosed herein provide a magnetoresistive (MR) sensor including a free layer comprising a first layer of CoFeB or CoFe/CoFeB and a second layer made of an alloyed layer including a ferromagnetic material and a refractory material. An implementation of the MR sensor further includes a cap layer adjacent to the second layer wherein the cap layer does not include any tantalum. | 10-29-2015 |
20150318004 | BOTTOM SHIELD STABILIZED MAGNETIC SEED LAYER - A data reader generally capable of sensing data bits may be configured at least with a magnetic stack that has free and fixed magnetization structures atop a magnetic seed layer. A bottom shield may be positioned contactingly adjacent the magnetic stack opposite a top shield with the bottom shield having a fixed pinning magnetization set to a predetermined magnetic orientation. | 11-05-2015 |
20150325260 | SENSOR STACK STRUCTURE - A reader stack, such as for a magnetic storage device, the stack having a top synthetic antiferromagnetic (SAF) layer, a magnetic capping layer adjacent to the top SAF layer, an RKKY coupling layer adjacent to the magnetic capping layer opposite the top SAF layer, and a free layer adjacent to the RKKY coupling layer opposite the magnetic capping layer. Also included is a method for biasing a free layer in a reader stack by providing an exchange coupling between the free layer and a top synthetic antiferromagnetic (SAF) layer using a layer having RKKY coupling property positioned between the free layer and the top SAF layer and a magnetic capping layer between the SAF layer and the layer having RKKY coupling property. | 11-12-2015 |
20150332714 | MAGNETORESISTIVE SENSOR - Implementations disclosed herein allow a signal detected by a magnetoresistive (MR) sensor to be improved by providing for one or more alloyed layers that each includes a ferromagnetic material and a refractory material. The alloyed layers are provided adjacent to a shield element or between soft magnetic layers of the sensor stack. | 11-19-2015 |
Patent application number | Description | Published |
20090009317 | APPARATUS AND METHOD FOR PROCESSING DATA COLLECTED VIA WIRELESS NETWORK SENSORS - An apparatus for processing data collected via a wireless network sensor includes modules for receiving and processing the data. The wireless network sensor includes a plurality of sensors for detecting events occurring proximate the sensors, a processor for receiving and processing data from the sensors, and a wireless transmitter for wirelessly transmitting data. The apparatus also includes modules for parsing events, episodes, vectors, links, and paths based upon the received data. The paths can be used to generate a representation of traffic patterns in a space monitored by wireless network sensors. | 01-08-2009 |
20090009323 | DISPLAY OF INFORMATION RELATED TO DATA COLLECTED VIA WIRELESS NETWORK SENSORS - A method for displaying an indication of data collected via a wireless network sensor involves processing the collected data to generate reports. The wireless network sensor includes a plurality of sensors for detecting events occurring proximate the sensors, a processor for receiving and processing data from the sensors, and a wireless transmitter for wirelessly transmitting data. The method displays an indication of parsed events, episodes, vectors, links, and paths based upon the received data. Another method displays a representation of a location of each sensor in the wireless network sensors in a monitored environment and information related to data collected via the sensors. | 01-08-2009 |
20090009340 | METHODS FOR PROVIDING SERVICES AND INFORMATION BASED UPON DATA COLLECTED VIA WIRELESS NETWORK SENSORS - A method for processing data collected via a wireless network sensor includes providing information in a variety of ways based upon the processed data. The network sensor has a plurality of sensors for detecting events occurring proximate the sensors in a monitored space, a processor for receiving and processing data from the sensors, and a wireless transmitter for wirelessly transmitting data. The received data is processed to determine pedestrian traffic patterns in the monitored space, which can be used to design a layout and placement of goods for sale in the monitored space. The information for the pedestrian traffic patterns can also be provided in exchange for a fee to customers requesting it. | 01-08-2009 |
20100141869 | PASSIVE AND HYBRID DAYLIGHT-COUPLED BACKLIGHTS FOR SUNLIGHT VIEWABLE DISPLAYS - A passive daylight-coupled display having an LCD panel, a diffuser, and a curved reflector behind the LCD panel. For passive backlighting, the diffuser transmits daylight to the reflector, which reflects the daylight to the LCD panel and provides for substantially uniform distribution of the daylight on the LCD panel for backlighting it. A hybrid display includes both a passive backlight and an active backlight for providing backlighting from an active light source. | 06-10-2010 |
20100328578 | PASSIVE AND HYBRID DAYLIGHT-COUPLED N-STACK AND COLLAPSIBLE BACKLIGHTS FOR SUNLIGHT VIEWABLE DISPLAYS - A passive daylight-coupled display having an LCD panel, a diffuser, and a curved reflector behind the LCD panel. For passive backlighting, the diffuser transmits daylight to the reflector, which reflects the daylight to the LCD panel and provides for substantially uniform distribution of the daylight on the LCD panel for backlighting it. An N-stack daylight-coupled display includes a plurality of passive backlights cascaded in a stack for backlighting of LCD panels or static display panels. One N-stack display can include an active light source to provide light to the reflectors, and a secondary light source to provide light to at least one of the reflectors to provide backlighting of the display in low lighting conditions. A collapsible daylight-coupled display includes a daylight-coupled backlight that is collapsible when not in use for hand-held or portable display devices. | 12-30-2010 |
20110035271 | APPARATUS AND METHOD FOR PROCESSING DATA COLLECTED VIA WIRELESS NETWORK SENSORS - An apparatus for processing data collected via a wireless network sensor includes modules for receiving and processing the data. The wireless network sensor includes a plurality of sensors for detecting events occurring proximate the sensors, a processor for receiving and processing data from the sensors, and a wireless transmitter for wirelessly transmitting data. The apparatus also includes modules for parsing events, episodes, vectors, links, and paths based upon the received data. The paths can be used to generate a representation of traffic patterns in a space monitored by wireless network sensors. | 02-10-2011 |
20110116012 | PASSIVE DAYLIGHT-COUPLED BACKLIGHT WITH TURNING FILM HAVING PRISMS WITH CHAOS FOR SUNLIGHT VIEWABLE DISPLAYS - A passive daylight-coupled display having an LCD panel, a diffuser, a turning film behind the LCD panel, and a curved reflector behind the turning film. For passive backlighting, the diffuser transmits daylight to the reflector, which reflects the daylight to the LCD panel through the turning film and provides for substantially uniform distribution of the daylight on the LCD panel for backlighting it. The turning film has prisms with chaos for an improved viewer experience. | 05-19-2011 |
Patent application number | Description | Published |
20080291446 | OPTICAL SENSING DEVICE - An optical sensing system and method are disclosed. The optical sensing system includes one or more bus waveguides. A first bus waveguide includes an input port that is in optical communication with a light source. The system further includes a microresonator optically coupled to the bus waveguides and an optical scattering center configured for alteration of a strength of optical coupling between the optical scattering center and the microresonator. In addition, the system includes a detector in optical communication one of the bus waveguides or the microresonator. | 11-27-2008 |
20090310140 | Optical Sensing Devices and Methods - A method and system are disclosed for detecting the presence of a perturbation of a microresonator including the step of exciting at least first and second resonant guided optical modes of a microresonator with a light source that is in optical communication with the microresonator. The method further includes inducing a first frequency shift in the first resonant guided optical mode and a second frequency shift in the second resonant guided optical mode, wherein the second frequency shift can be zero. Another step of the method is comparing the first frequency shift and the second frequency shift. | 12-17-2009 |
20090310902 | Optical Sensing Devices and Methods - An optical sensing system and method of using it includes a light source and a first bus waveguide having an input port that is in optical communication with the light source. The system further includes a microresonator configured so that the light source excites at least first and second resonant guided optical modes of the microresonator. The microresonator includes a first location on a surface of a core of the microresonator where a field intensity of the first mode is greater than a field intensity of the second mode. The microresonator core has a first cladding at the first location. The microresonator also has a second location on a surface of the core of the microresonator where a field intensity of the first mode is less than or equal to a field intensity of the second mode, the microresonator core having a second cladding at the second location. The first cladding is different than the second cladding. | 12-17-2009 |
20100158439 | OPTICAL MICRORESONATOR - An optical device and a sensor system incorporating same are disclosed. The optical device includes a microresonator that has a core with input and output ports. The output port is different than the input port. The optical device further includes first and second optical waveguides. Each optical waveguide has a core with input and output faces. The output face of the core of the first optical waveguide physically contacts the input port of the core of the microresonator. The input face of the core of the second optical waveguide physically contacts the output port of the core of the microresonator. | 06-24-2010 |
20100260462 | Method for Making Optical Waveguides - A method for making a waveguide comprises (a) providing a waveguide structure comprising a substrate ( | 10-14-2010 |