公开(公告)号：US11448608B2

公开(公告)日：2022-09-20

申请号：US16703163

申请日：2019-12-04

申请人： MICROSILICON, INC.

发明人： John Lovell ,  Omar Kulbrandstad

IPC分类号： G01N24/10

摘要： In an embodiment is provided a method of determining at least one property of a fluid that includes inducing a paramagnetic response from at least one diamagnetic species flowing through a system, the fluid including the at least one diamagnetic species; performing electron paramagnetic resonance (EPR) spectroscopy on at least a portion of the fluid to generate an EPR spectrum; and determining at least one property of the fluid based on the EPR spectrum. In another embodiment is provided a method of determining at least one property of a first fluid that includes introducing an inhibitor composition to a first fluid flowing through a system to form a second fluid; performing EPR spectroscopy on at least a portion of the second fluid to generate an EPR spectrum; and determining at least one property of the second fluid based on the EPR spectrum. Apparatus for determining fluid properties are also provided.

公开(公告)号：US20210318256A1

公开(公告)日：2021-10-14

申请号：US17272798

申请日：2019-09-05

申请人： YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.

发明人： Alexander RETZKER ,  Zohar RINGEL ,  Netanel AHARON

IPC分类号： G01N24/10 ,  G06N3/04 ,  G01R33/26

摘要： The present invention provides method for processing spin magnetometry data of a sample, said data generated with a point defects-based spin magnetometer, and for providing information on the presence and properties of a particular compound in the sample, wherein said method comprises: (1) Subjecting the sample to a spin magnetometry measurement with the point defects-based spin magnetometer to generate a string or an array of the spin measurement results of said sample, said string or an array of the spin measurement results is an input for an external memory; and (2) Applying a deep-learning method on said spin measurement results in the external memory to output a single bit whose value is ‘0’ or ‘1’, or an array of bits, or an array of integers, or an array of complex numbers, wherein said single bit, or said array of bits, or said array of integers, or said array of complex numbers corresponds to an estimated frequency and/or an amplitude of the input, thereby providing information on the presence and properties of said compound in the sample.

公开(公告)号：US11002695B2

公开(公告)日：2021-05-11

申请号：US16097772

申请日：2016-05-05

申请人： University of Science and Technology of China

发明人： Xing Rong ,  Zhifu Shi ,  Xi Qin ,  Yijin Xie ,  Lin Wang ,  Zhen Jiang ,  Jiangfeng Du

IPC分类号： G01N24/10 ,  G01R33/60

摘要： A magnetic resonance spectrometer and a control apparatus for the magnetic resonance spectrometer based on an FPGA. The control apparatus includes a control unit and a conversion receiving unit. The control unit includes a clock source. A waveform generation unit and a signal receiving unit inside the control apparatus are synchronized by means of the same clock source. The control apparatus includes two working modes: a continuous wave mode and an impulse wave mode. The control apparatus can output a microwave signal which is modulated by any wave and has higher synchronism and time resolution.

公开(公告)号：US20210011098A1

公开(公告)日：2021-01-14

申请号：US16946756

申请日：2020-07-06

申请人： Massachusetts Institute of Technology

发明人： Linh M. Pham ,  Kerry Alexander Johnson ,  Carson Arthur TEALE ,  Hannah A. CLEVENSON ,  Danielle Ann Braje ,  Christopher Michael MCNALLY ,  John Francis BARRY

IPC分类号： G01R33/26 ,  G01R33/24 ,  G01N24/10 ,  G01N24/12 ,  G01R33/32

摘要： A magnetometer containing a crystal sensor with solid-state defects senses the magnitude and direction of a magnetic field. The solid-state defects in the crystal sensor absorb microwave and optical energy to transition between several energy states while emitting light intensity indicative of their spin states. The magnetic field alters the spin-state transitions of the solid-state defects by amounts depending on the solid-state defects' orientations with respect to the magnetic field. The optical read out, reporting the spin state of an ensemble of solid-state defects from one particular orientation class, can be used to lock microwave signals to the resonances associated with the spin-state transitions. The frequencies of the locked microwave signals can be used to reconstruct the magnetic field vector.

公开(公告)号：US10773093B2

公开(公告)日：2020-09-15

申请号：US15990667

申请日：2018-05-27

申请人： Olena Ibragimova ,  Ilgiz Ibragimov

发明人： Olena Ibragimova ,  Ilgiz Ibragimov

IPC分类号： A61N2/00 ,  A61B34/30 ,  A61N2/06 ,  A61B5/055 ,  A61F2/82 ,  A61F7/00 ,  A61K33/24 ,  A61K31/714 ,  A61B18/06 ,  G01R33/36 ,  G01R33/38 ,  A61N7/02 ,  G01R33/28 ,  G01R33/32 ,  G01N24/10 ,  G01N24/12 ,  G01N24/14 ,  H01F1/047 ,  A61B90/00 ,  G01R33/383 ,  G01R33/3873 ,  G01R33/48 ,  H01F1/055 ,  H03F3/54 ,  G01R33/30 ,  G01R33/563 ,  G01R33/60 ,  G01R33/465 ,  A61B18/18 ,  A61B17/32 ,  A61B18/00 ,  H01F41/02

摘要： The invention pertains to advances in real-time methods in nuclear magnetic resonance, magnetic resonance imaging, and non-invasive medical ablation by offering: a new real-time processing method for nuclear magnetic resonance (NMR) spectrum acquisition without external resonator(s), which remains stable despite magnetic field fluctuations, a new processing method for nuclear magnetic resonance spectrum acquisition, which remains stable despite magnetic field fluctuations and resonator stability, a new method of constructing predetermined magnets from appropriate magnetic material that allows for focusing the magnetic field in a target region, a new dual frequency dynamic nuclear polarization (DNP) generator that polarizes the spin of electrons and acts as an NMR transmitter, a new real-time processing method for visualizing, targeting, and guiding surgical and other non-invasive processes, and a new method of non-invasive ablation, heat generation, and chemical reaction activation inside the human body to support a fully automatic or semi-automatic surgical procedure without the use of invasive devices, thus providing material reduction in risk to patient safety.

公开(公告)号：US10732217B2

公开(公告)日：2020-08-04

申请号：US16073688

申请日：2016-04-01

申请人： INTEL CORPORATION

发明人： Kevin P. O'Brien ,  Kaan Oguz ,  Christopher J. Wiegand ,  Mark L. Doczy ,  Brian S. Doyle ,  MD Tofizur Rahman ,  Oleg Golonzka ,  Tahir Ghani

IPC分类号： G01R31/28 ,  H01L43/12 ,  G01R33/09 ,  G01R31/315 ,  H01L21/66 ,  G01R33/60 ,  G01N24/10 ,  G01R35/00

摘要： Techniques are disclosed for carrying out ferromagnetic resonance (FMR) testing on whole wafers populated with one or more buried magnetic layers. The techniques can be used to verify or troubleshoot processes for forming the buried magnetic layers, without requiring the wafer to be broken. The techniques can also be used to distinguish one magnetic layer from others in the same stack, based on a unique frequency response of that layer. One example methodology includes moving a wafer proximate to a waveguide (within 500 microns, but without shorting), energizing a DC magnetic field near the target measurement point, applying an RF input signal through the waveguide, collecting resonance spectra of the frequency response of the waveguide, and decomposing the resonance spectra into magnetic properties of the target layer. One or both of the DC magnetic field and RF input signal can be swept to generate a robust set of resonance spectra.

公开(公告)号：US10712413B2

公开(公告)日：2020-07-14

申请号：US15729255

申请日：2017-10-10

申请人： SUMITOMO RUBBER INDUSTRIES, LTD.

发明人： Tomomi Masui ,  Yohei Nouda ,  Satoshi Koizumi

IPC分类号： G01R33/46 ,  C08L9/06 ,  C08K5/3435 ,  C08J7/02 ,  G01N24/10 ,  C08K3/04 ,  C09C1/48 ,  G01N23/00 ,  C08L9/00 ,  C08L23/06

摘要： Provided is a polymer composite material which has a high proton spin polarization even though it is a polymer composite material containing carbon black. The present invention relates to a polymer composite material for 1H dynamic nuclear polarization experiments, containing carbon black, having a thickness of 0.8 mm or less, and being doped with a paramagnetic radical compound.

公开(公告)号：US10551331B2

公开(公告)日：2020-02-04

申请号：US15509542

申请日：2015-09-17

申请人： FORSCHUNGSZENTRUM JÜLICH GMBH

发明人： Stephan Appelt ,  Martin Süfke ,  Bernd Alexander Liebisch

IPC分类号： G01N24/08 ,  G01N24/10 ,  G01R33/46 ,  G01R33/60

摘要： The invention relates to a measuring apparatus for detecting weak electromagnetic signals from a sample at low frequencies, specifically in the frequency range of 1 kHz-10 MHz, in particular, and to a measuring method. The problem addressed by the invention is that of providing an apparatus which can be used to detect weak electromagnetic signals from a sample, in particular in the frequency range of 1 kHz-40 MHz, with a good signal-to-noise ratio. For the solution, the measuring apparatus comprises an electromagnetic resonant circuit having a pick-up coil of low quality, a preferably tunable capacitance and a filter coil; the filter coil and the capacitance have a high quality of at least 100, advantageously at least 200, particularly preferably at least 500. Alternatively or additionally, the quality of the resonant circuit is at least 100, advantageously at least 200, particularly preferably at least 500. The quality of the filter coil and the quality of the capacitance exceed the quality of the pick-up coil, specifically at least by twice the amount. The measurement signal is then available at the two ends of the filter coil with a good signal-to-noise ratio.

公开(公告)号：US20190317173A1

公开(公告)日：2019-10-17

申请号：US16341207

申请日：2017-10-20

申请人： Quantum Diamond Technologies Inc.

发明人： Colin B. Connolly ,  Jeffrey D. Randall ,  Seabron C. Adamson

IPC分类号： G01R33/60 ,  G01N24/10 ,  G01R33/32

摘要： The present application discloses methods and apparatus for measuring the arbitrary magnetic response of many individual magnetic particles at once, using a plurality of magnetic images of the magnetic particles acquired over a range of magnetic conditions.

公开(公告)号：US20190302306A1

公开(公告)日：2019-10-03

申请号：US16447193

申请日：2019-06-20

申请人： MICROSILICON, INC.

发明人： Omar KULBRANDSTAD ,  Manuel GODOY

IPC分类号： G01V3/32 ,  G01N24/10 ,  G01R33/60 ,  E21B49/08

摘要： Certain aspects of the present disclosure provide methods and apparatus for sensing a fluid flowing in a conduit using a mobile electron paramagnetic resonance (EPR) device. The mobile EPR device may include one or more EPR sensors for making EPR measurements and, for certain aspects, may include one or more other sensors for making other measurements. One example mobile EPR device for deploying in a conduit generally includes a housing configured to be conveyed by a fluid flowing in the conduit; a bore in the housing for receiving the fluid; and an EPR sensor disposed adjacent to the bore for EPR sensing of the fluid as the mobile EPR device traverses a section of the conduit.