Patent application number | Description | Published |
20110251528 | METHODS AND SYSTEMS FOR NON-INVASIVE TREATMENT OF TISSUE USING HIGH INTENSITY FOCUSED ULTRASOUND THERAPY - Methods and systems for non-invasive treatment of tissue using high intensity focused ultrasound (“HIFU”) therapy. A method of non-invasively treating tissue in accordance with an embodiment of the present technology, for example, can include positioning a focal plane of an ultrasound source at a target site in tissue. The ultrasound source can be configured to emit HIFU waves. The method can further include pulsing ultrasound energy from the ultrasound source toward the target site, and generating shock waves in the tissue to induce boiling of the tissue at the target site within milliseconds. The boiling of the tissue at least substantially emulsifies the tissue. | 10-13-2011 |
20120071795 | DERATING METHOD FOR THERAPEUTIC APPLICATIONS OF HIGH INTENSITY FOCUSED ULTRASOUND - Methods of derating a nonlinear ultrasound field and associated systems are disclosed herein. A method of derating a nonlinear ultrasound field in accordance with an embodiment of the present technology can include, for example, calibrating an ultrasound source to a first source voltage (V | 03-22-2012 |
20120259250 | METHODS OF SOFT TISSUE EMULSIFICATION USING A MECHANISM OF ULTRASONIC ATOMIZATION INSIDE GAS OR VAPOR CAVITIES AND ASSOCIATED SYSTEMS AND DEVICES - The present technology is directed to methods of soft tissue emulsification using a mechanism of ultrasonic atomization inside gas or vapor cavities, and associated systems and devices. In several embodiments, for example, a method of non-invasively treating tissue includes pulsing ultrasound energy from the ultrasound source toward the target site in tissue. The ultrasound source is configured to emit high intensity focused ultrasound (HIFU) waves. The target site comprises a pressure-release interface of a gas or vapor cavity located within the tissue. The method continues by generating shock waves in the tissue to induce a lesion in the tissue at the target site. The method additionally includes characterizing the lesion based on a degree of at least one of a mechanical or thermal ablation of the tissue. | 10-11-2012 |
20120302927 | METHODS FOR CHARACTERIZING NONLINEAR FIELDS OF A HIGH-INTENSITY FOCUSED ULTRASOUND SOURCE AND ASSOCIATED SYSTEMS AND DEVICES - The present technology is directed to methods for characterizing nonlinear ultrasound fields and associated systems and devices. In several embodiments, for example, a method of calculating output of a high intensity focused ultrasound (HIFU) device comprises treating a target site with a multi-element HIFU array. In some embodiments, the array comprises a generally spherical segment. The method can further include simulating a field of the array by setting a boundary condition for the array. The boundary condition can be set by simplifying at least one geometrical aspect of the generally spherical segment. | 11-29-2012 |
20130301383 | PORTABLE ACOUSTIC HOLOGRAPHY SYSTEMS FOR THERAPEUTIC ULTRASOUND SOURCES AND ASSOCIATED DEVICES AND METHODS - The present technology relates generally to portable acoustic holography systems for therapeutic ultrasound sources, and associated devices and methods. In some embodiments, a method of characterizing an ultrasound source by acoustic holography includes the use of a transducer geometry characteristic, a transducer operation characteristic, and a holography system measurement characteristic. A control computer can be instructed to determine holography measurement parameters. Based on the holography measurement parameters, the method can include scanning a target surface to obtain a hologram. Waveform measurements at a plurality of points on the target surface can be captured. Finally, the method can include processing the measurements to reconstruct at least one characteristic of the ultrasound source. | 11-14-2013 |
20150017678 | Systems, Devices, and Methods for Separating, Concentrating, and/or Differentiating Between Cells from a Cell Sample - Embodiments are generally related to differentiating and/or separating portions of a sample that are of interest from the remainder of the sample. Embodiments may be directed towards separating cells of interest from a cell sample. In some embodiments, acoustic impedances of the cells of interest may be modified. For example, the acoustic properties of the cells of interest may be modified by attaching bubbles to the cells of interest. The cell sample may then be subjected to an acoustic wave. The cells of interest may be differentiated and/or separated from the remainder of the sample based on relative displacements and/or volumetric changes experienced by the cells of interest in response thereto. The cells of interest may be separated using a standing wave and sorted into separate channels of a flow cell. Optionally, the cells may be interrogated by a light source and differentiated by signals generated in response thereto. | 01-15-2015 |
20150119763 | METHODS AND SYSTEMS FOR NON-INVASIVE TREATMENT OF TISSUE USING HIGH INTENSITY FOCUSED ULTRASOUND THERAPY - Methods and systems for non-invasive treatment of tissue using high intensity focused ultrasound (“HIFU”) therapy. A method of non-invasively treating tissue in accordance with an embodiment of the present technology, for example, can include positioning a focal plane of an ultrasound source at a target site in tissue. The ultrasound source can be configured to emit HIFU waves. The method can further include pulsing ultrasound energy from the ultrasound source toward the target site, and generating shock waves in the tissue to induce boiling of the tissue at the target site within milliseconds. The boiling of the tissue at least substantially emulsifies the tissue. | 04-30-2015 |
20150320383 | Methods and Systems for Estimating a Size of an Object in a Subject with Ultrasound - A system and method for determining, via ultrasound, a size of a concretion in a subject are provided. One or more ultrasound pulses are transmitted into a tissue in the subject, which are then reflected from the tissue and received by the ultrasound transducer. A shadow region obscured by the concretion that does not provide reflected signals is generated, and the width of the shadow region is measured. The width of the object is determined based on the width of the shadow region. | 11-12-2015 |
20150320384 | Methods and Systems for Detecting an Object in a Subject with Ultrasound - A system and method for detecting, via ultrasound, a concretion in a subject are provided. One or more ultrasound pulses are transmitted into the concretion and at least one object of interest, such as a bubble, present in the concretion. Reflection signals from the concretion and the bubble are then contrasted using the twinkling artifact, and a filter removes motion signals. An output device, such as a display, provides an indication of the presence of the concretion based on the reflection signals. | 11-12-2015 |
Patent application number | Description | Published |
20100323100 | CONTROLLING THICKNESS UNIFORMITY AND INTERFACES IN STACKS - A method of creating a stack having multiple layers of deposited film onto a substrate is discussed. The method includes depositing a first layer of a first material onto the substrate and depositing a second layer onto the first layer. Depositing the second layer includes depositing a first amount of the second material onto the first layer at a first deposition temperature selected to set the normalized diffusion activation energy of the second material. | 12-23-2010 |
20110241666 | MAGNETIC ELEMENT WITH IMPROVED AREAL RESOLUTION - An apparatus and associated method for a magnetic element capable of detecting changes in magnetic states. Various embodiments of the present invention are generally directed to a free layer that has a first areal extent that is sensitive to a magnetic field and a synthetic antiferromagnetic (SAF) layer adjacent to the free layer and has a second areal extent that is greater than the first areal extent. | 10-06-2011 |
20110268991 | HEAD WITH HIGH READBACK RESOLUTION - An apparatus that includes a first read shield and a second read shield and a reader stack between the first and second read shields. The first and second read shields each include a thin high permeability layer closest to the reader stack and a low permeability layer and/or a geometric feature to control magnetic field flux lines in a free layer of the reader stack. | 11-03-2011 |
20120276415 | Magnetic Element With Reduced Shield-To-Shieldl Spacing - A magnetic element has a magnetically responsive lamination with a ferromagnetic free layer separated from a synthetic antiferromagnetic (SAF) layer by a spacer layer and from a sensed data bit stored in an adjacent medium by an air bearing surface (ABS). The lamination is coupled to at least one antiferromagnetic (AFM) tab a predetermined offset distance from the ABS. | 11-01-2012 |
20130069642 | Magnetic Sensor With Conducting Bevel - Various embodiments can have a magnetically responsive stack positioned on an air bearing surface (ABS) and disposed between at least first and second magnetic shields. Each magnetic shield may have a beveled portion distal to the ABS. The magnetically responsive stack can have a cross-track magnetization anisotropy proximal to the ABS. | 03-21-2013 |
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 |
20140055884 | MAGNETIC STACK WITH SEPARATED CONTACTS - An apparatus for two dimensional reading may be constructed, in accordance with some embodiments, with a number of magnetic stacks respectively configured to engage adjacent data tracks of a data storage media. Each magnetic stack can be disposed between top and bottom shields while each shield is segmented into a number of contacts different than the number of magnetic stacks. | 02-27-2014 |
20140106183 | MAGNETIC READER WITH TUNED ANISOTROPY - Various embodiments may be generally directed to a stack capable of reading magnetic data bits. Such a stack can have a non-magnetic spacer layer disposed between a magnetically free layer and a synthetic antiferromagnet (SAF) where the SAF is configured with an anisotropy tuned to a non-normal direction with respect to an air bearing surface (ABS). | 04-17-2014 |
20140146418 | SIDE SHIELD BIASING LAYER SEPARATED FROM AN AIR BEARING SURFACE - Various embodiments may configure a data storage device with at least a magnetic element having a magnetic stack that is configured with an air bearing surface (ABS) and is separated from a side shield. The side shield can be biased by a biasing layer that contacts the side shield and is separated from the ABS. | 05-29-2014 |
20140146419 | MAGNETIC ELEMENT WITH CROSSED ANISOTROPIES - A magnetic element may be configured with at least a magnetic stack having first and second magnetically free layers that each has a predetermined stripe height from an air bearing surface (ABS). The first and second magnetically free layers can respectively be configured with first and second uniaxial anisotropies that are crossed in relation to the ABS and angled in response to the predetermined stripe height. | 05-29-2014 |
20140153137 | Magnetic Element with Coupled Side Shield - A magnetic element may be constructed in accordance with various embodiments as a data reader. The magnetic element can have at least a magnetic reader that contacts a top shield and is separated from a side shield on an air bearing surface (ABS). The side shield may be antiferromagnetically coupled to the top shield via a coupling layer disposed between the top and side shields. | 06-05-2014 |
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 |
20140218823 | Magnetic Element With A Bi-Layer Side Shield - A magnetic element is generally provided that can be implemented as a data reader. Various embodiments may connect a magnetic stack to a top shield and separate the magnetic stack from a bi-layer side shield. The bi-layer side shield may have a fixed magnetization layer and a soft magnetic layer each magnetically isolated from the top shield. | 08-07-2014 |
20140218825 | SIDE SHIELD PEDESTAL FOR DATA READERS - Various embodiments may be generally directed to a magnetic element capable of reading magnetic data bits. Such a magnetic element may have at least a magnetic stack laterally adjacent a side shield and non-magnetic pedestal on an air bearing surface (ABS). The non-magnetic pedestal can be configured to have a greater stripe height from the ABS than the side shield. | 08-07-2014 |
20140254047 | READER WITH DECOUPLED MAGNETIC SEED LAYER - An apparatus comprising a base shield and a sensor stack, wherein the base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled form the base shield. | 09-11-2014 |
20140327989 | Side Shield Biasing Layer Separated from an Air Bearing Surface - Various embodiments may configure a data storage device with at least a magnetic element having a magnetic stack that is configured with an air bearing surface (ABS) and is separated from a side shield. The side shield can be biased by a biasing layer that contacts the side shield and is separated from the ABS. | 11-06-2014 |
20140334042 | READER WITH DECOUPLED MAGNETIC SEED LAYER - An apparatus comprising a base shield and a sensor stack, wherein the base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled form the base shield. | 11-13-2014 |
20140340793 | MAGNETORESISTIVE SENSOR - Implementations disclosed herein allow a signal detected by a magnetoresistive (MR) sensor to be improved by providing for one or more regions of reduced anisotropy proximal to a sensor stack within a shielding structure. | 11-20-2014 |
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 |
20150036245 | MAGNETORESISTIVE SENSOR - An apparatus disclosed herein comprises a magnetically free layer and a bottom shield, wherein a first portion of the bottom shield substantially adjacent the free layer is pinned perpendicular to an air-bearing surface (ABS) of the apparatus and a second portion of the bottom shield not substantially adjacent the free layer is pinned parallel to the ABS of the apparatus. | 02-05-2015 |
20150036246 | MAGNETORESISTIVE SENSOR SHIELD - Implementations disclosed herein allow a signal detected by a magnetoresistive (MR) sensor to be improved by providing for a region of reduced anisotropy within a synthetic antiferromagnetic (SAF) shield. The SAF shield includes first and second layers of ferromagnetic material separated by a coupling spacer layer. A distance between the first and second layers of ferromagnetic material is greater in a region proximal to the sensor stack than in a region away from the sensor stack. | 02-05-2015 |
20150055251 | READER STRUCTURE - An apparatus disclosed herein includes a sensor with a free layer having cross-track easy axis anisotropy. | 02-26-2015 |
20150062735 | DUAL READER STRUCTURE - Implementations described and claimed herein provide a stacked dual reader with a bottom sensor stack and a top sensor stack wherein the bottom sensor stack and the top sensor stack are mirrored along a down-track direction. | 03-05-2015 |
20150062755 | DUAL READER STRUCTURE - Implementations described and claimed herein provide a dual reader wherein a bottom shield is attached to side shields. | 03-05-2015 |
20150213815 | SYNTHETIC ANTIFERROMAGNETIC READER - Implementations disclosed herein provide for an apparatus, comprising a synthetic antiferromagnetic reader structure, wherein total moment of a pinned layer is substantially greater than total moment of a reference layer. In one implementation, the pinning strength of the pinned layer is substantially reduced. | 07-30-2015 |
20150243302 | READ HEAD WITH MULTIPLE READER STACKS - A read head includes a bottom shield configured as a bottom electrical contact. A bottom reader stack is disposed on and electrically coupled to the bottom shield. A middle electrical contact is electrically coupled to a top layer of the bottom reader stack. A top reader stack is disposed on the bottom reader stack. A bottom layer of the top reader stack electrically coupled to the middle electrical contact. A top shield is configured as a top electrical contact. The top shield is disposed on and electrically coupled to the top reader stack. | 08-27-2015 |
20150243305 | READER WITH DECOUPLED MAGNETIC SEED LAYER - An apparatus comprising a base shield, a sensor stack, and a base seed layer separating the base shield from the sensor stack. The base seed layer has a base coupled seed section that is coupled with the base shield, and a base uncoupled seed section that is uncoupled with the base shield, wherein the base uncoupled seed section covers a base window surrounding the sensor stack. | 08-27-2015 |
20150371670 | DUAL READER STRUCTURE - Implementations described and claimed herein provide a stacked dual reader with a bottom sensor stack and a top sensor stack separated by a top mid-shield and a bottom mid-shield, and a pre-amplifier circuit comprising a top lead connected to the top mid-shield, configured to collect current flowing from the top mid-shield through the top sensor stack opposite a direction of current flowing from the bottom mid-shield to a bottom lead through the bottom sensor stack. | 12-24-2015 |
20160078889 | SENSOR STRUCTURE HAVING LAYER WITH HIGH MAGNETIC MOMENT - A reader sensor having a composite shield and a sensor stack. The composite shield includes a high magnetic moment layer having a magnetic moment greater than 1.0 T, a low magnetic moment layer, and a spacer therebetween. The high magnetic moment layer is closer to the stack than the low magnetic moment layer. The high magnetic moment layer may be a single layer or have a plurality of layers. | 03-17-2016 |