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21.发明授权公开(公告)号：US11287334B1
公开(公告)日：2022-03-29
申请号：US16445583
申请日：2019-06-19
Inventor： Stephen Eckel , James Fedchak , Thomas Purdy , Robinjeet Singh
Abstract: An optomechanical pressure-measurement system measures pressure in the range of 10−6 Pa-10−2 Pa by measuring various properties of a vibrational mode of an ultra-thin membrane member. With independent measurements of the thickness and density of the membrane, in addition to the measured vibration mode properties, the system can operate as a primary pressure sensor. The membrane member is mounted on a vibration-isolated mount and is excited by a drive force. A laser beam impinges on the excited membrane, and an optical phase detector detects the amplitude of the oscillations, as well as parameters of the laser beam affected by the membrane vibration. In one embodiment, a mechanical damping is computed based on the amplitude or frequency shift (depending on the pressure range), and the pressure based on the ring-down time of the membrane vibration mode.
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22.发明申请公开(公告)号：US20200286706A1
公开(公告)日：2020-09-10
申请号：US16809736
申请日：2020-03-05
Inventor： Michael KATZ , Karl SCHLIEP , June LAU , Jason J. GORMAN
IPC: H01J37/20
Abstract: A sample carrier for in situ transmission electron microscopy (TEM) has a dielectric substrate with a conductive layer that forms a coplanar waveguide. The coplanar waveguide has a first and second leads formed by the conductive layer. The first lead is between an adjacent pair of second leads and is spaced from the second leads by a respective gap. The coplanar waveguide is configured to transmit an electrical signal to a specimen held by the sample carrier, in particular, an electrical signal having a frequency in the radio-frequency (RF) regime (3 kHz-300 GHz), for example, up to 100 GHz. The sample carrier may be mounted to a TEM sample holder, which supports the sample carrier within a vacuum chamber of the microscope and provides electrical connection between the leads of the sample carrier and an RF source external to the vacuum chamber.
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公开(公告)号：US10444431B2
公开(公告)日：2019-10-15
申请号：US14995853
申请日：2016-01-14
Applicant: NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY , Cindy Regal , Pen-Li Yu , Yeghishe Tsaturyan , Thomas P. Purdy , Nir Shlomo Kampel
Inventor： Raymond W. Simmonds , Katarina Cicak , Cindy A. Regal , Pen-Li Yu , Yeghishe Tsaturyan , Thomas P. Purdy , Nir S. Kampel
Abstract: A reticulated resonator includes: a reticulated substrate that includes: a substrate frame; and a phononic structure in mechanical communication with the substrate frame and including a plurality of unit members arranged in a two-dimensional array; and a membrane disposed on the reticulated substrate. A process for producing a membrane frequency includes: providing a reticulated resonator including: a substrate frame; a phononic structure including: a first link connected to the substrate frame; a plurality of unit members arranged in a two-dimensional array and connected to the first link and in mechanical communication with the substrate frame through the first link; and a second link connected to the unit members; a membrane frame connected to the second link and in mechanical communication with the unit members through the second link; and a membrane disposed on the membrane and in mechanical communication with the substrate frame through the membrane frame and the unit members; subjecting the membrane to an excitation frequency; receiving, by the membrane, the excitation frequency; and producing, by the membrane, a membrane mode including a membrane frequency in response to receiving the excitation frequency.
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公开(公告)号：US10261032B2
公开(公告)日：2019-04-16
申请号：US14958539
申请日：2015-12-03
Applicant: NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY , Nathan Daniel Orloff , Christian John Long
Inventor： Nathan Daniel Orloff , Christian John Long , Jan Obrzut
IPC: G01N22/04 , G01N33/543 , G01N33/557 , G01R27/04 , G01R27/32 , G01V3/00 , G01R33/28 , G01R33/32 , G01R33/46 , G01R33/60 , G01R33/62 , G01R33/34 , G01N22/00
Abstract: A noncontact resonameter includes: a resonator to: produce an excitation signal including a field; subject a sample to the excitation signal; produce a first resonator signal in a presence of the sample and the excitation signal, the first resonator signal including: a first quality factor of the resonator; a first resonance frequency of the resonator; or a combination thereof, the first resonator signal occurring in an absence of contact between the sample and the resonator; and produce a second resonator signal in a presence of the excitation signal and an absence of the sample, the second resonator signal including: a second quality factor of the resonator; a second resonance frequency of the resonator; or a combination thereof; a circuit in electrical communication with the resonator to receive the first resonator signal and the second resonator signal; and a continuous feeder to: provide the sample proximate to the resonator; dispose the sample intermediately in the field of the excitation signal during production of the first resonator signal; remove the sample from the resonator; and manipulate a position of the sample relative to the resonator in a continuous motion and in an absence of contact between the sample and the resonator.
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公开(公告)号：US10082553B2
公开(公告)日：2018-09-25
申请号：US14802419
申请日：2015-07-17
Inventor： Michael A. Boss
CPC classification number: G01R33/58 , G01R33/50 , Y10T29/49828
Abstract: A magnetic resonance imaging (MRI) phantom includes an outer container that includes a first portion comprising a first wall; a second portion opposingly disposed to the first portion and sealingly engaged to the first portion, the second portion including a second wall; and an internal volume bounded by the first wall and the second wall, the internal volume being hollow and configured to receive a fluid; and a sample holder disposed in the internal volume of the outer container, wherein the MRI phantom is configured to maintain a constant temperature of the internal volume. A process for acquiring an MRI image includes providing an MRI; disposing a sample member in the sample holder; disposing a fluid in the MRI phantom; disposing the MRI phantom in an MRI device; achieving thermal equilibrium in the MRI phantom at a selected temperature; and subjecting the MRI phantom to MRI imaging at the selected temperature to acquire the MRI image of the sample.
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Patent Agency Ranking
公开(公告)号：US10078898B2
公开(公告)日：2018-09-18
申请号：US14930685
申请日：2015-11-03
Inventor： Joshua Gordon
IPC: G06T7/00 , G01B21/04 , G01B11/245 , G06T7/80
CPC classification number: G06T7/80 , G01B11/245 , G01B21/042 , G06T2207/20088 , G06T2207/30204
Abstract: Disclosed is a noncontact metrology probe including: a first camera including a first field of view; a second camera including a second field of view and arranged such that the second field of view overlaps the first field of view to form a prime focal volume; a third camera including a third field of view and arranged such that the third field of view overlaps the prime focal volume to form a probe focal volume; and a tracker including a tracker field of view to determine a location of the probe focal volume in the tracker field of view. Further disclosed is a process for calibrating a noncontact metrology probe, the process including: providing a noncontact metrology probe including: a first camera including a first field of view; a second camera including a second field of view; a third camera including a third field of view; and a tracker including a tracker field of view; overlapping the first field of view with the second field of view to form a prime focal volume; overlapping the prime focal volume with the third field of view to form a probe focal volume; and overlapping the a tracker field of view with the probe focal volume to calibrate the noncontact metrology probe.
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公开(公告)号：US10050722B2
公开(公告)日：2018-08-14
申请号：US14872078
申请日：2015-09-30
Applicant: NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY , Tara Foriter , Antoine Rolland , Franklyn Quinlan
Inventor： Franklyn J. Quinlan , Scott Diddams , Tara Fortier , Antoine Rolland
IPC: H04B10/90
Abstract: A signal generator includes an optical pulse source to provide a plurality of optical pulses; a photosensitive element configured to receive optical pulses and to produce an electrical signal from optical pulses 6, electrical signal 10 including a spectrum that includes a plurality of discrete frequencies that occur at a repetition rate corresponding to that of the optical pulses or a harmonic thereof; a frequency selector to receive the electrical signal from the photosensitive element, to select dynamically the harmonic from the electrical signal and to communicate the dynamically selected harmonic; a direct digital synthesizer (DDS) to receive the harmonic of the electrical signal from the frequency selector and to produce a first output; and a frequency converter to receive the harmonic from the frequency selector and the first output from the DDS, wherein the frequency converter shifts a frequency of the harmonic by an amount substantially equal to a frequency of the first output from the DDS to produce a second output.
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28.发明授权公开(公告)号：US09903808B2
公开(公告)日：2018-02-27
申请号：US14590218
申请日：2015-01-06
Inventor： David F. Plusquellic , David A. Long , Kevin O. Douglass , Joseph T. Hodges , Adam J. Fleisher
CPC classification number: G01N21/255 , G01J3/433 , G01J3/453 , G01N21/39 , G01N2021/399 , G02F1/01 , G02F2203/56 , H01S3/0057
Abstract: A comb source includes a continuous wave frequency source to provide a continuous wave radiation; a first modulator in optical communication with the continuous wave frequency source; a second modulator in optical communication with continuous wave frequency source; and a waveform driver in electrical communication with the first modulator and the second modulator. A process for producing an analyte spectrum includes producing a first comb from a continuous wave frequency and a first waveform; producing a reference comb and a probe comb from the first comb; subjecting a sample to the probe comb; producing a sample comb in response to subjecting the sample to the probe comb; producing a composite comb from the reference comb and the sample comb; producing a second comb from the continuous wave frequency and a second waveform; and combining the second comb and the composite comb to produce the analyte spectrum.
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公开(公告)号：US09809882B2
公开(公告)日：2017-11-07
申请号：US14596355
申请日：2015-01-14
Inventor： Owen Hildreth
IPC: H01L21/285 , H01L21/306 , C23C18/18 , C23C18/16 , C23C18/31 , H01Q17/00 , C25F3/12
CPC classification number: C23C18/1608 , C23C18/1879 , C23C18/31 , C25F3/12 , H01L21/28506 , H01L21/306 , H01L21/30604 , H01Q17/00
Abstract: A process for depositing a metal includes disposing an activating catalyst on a substrate; contacting the activating catalyst with a metal cation from a vapor deposition composition; contacting the substrate with a reducing anion from the vapor deposition composition; performing an oxidation-reduction reaction between the metal cation and the reducing anion in a presence of the activating catalyst; and forming a metal from the metal cation to deposit the metal on the substrate. A system for depositing a metal includes an activating catalyst to deposit on a substrate; and a primary reagent to form: a metal cation to deposit on the substrate as a metal; and a reducing anion to provide electrons to the activating catalyst, the metal cation, the substrate, or a combination thereof, wherein the primary reagent forms the metal cation and the reducing anion in response to being subjected to a dissociating condition.
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公开(公告)号：US09746399B2
公开(公告)日：2017-08-29
申请号：US13974181
申请日：2013-08-23
Inventor： Thomas J. Bruno
CPC classification number: G01N1/2226 , G01N1/4022 , G01N1/44 , G01N31/12 , G01N2001/2229 , G01N2030/062 , Y10T436/142222 , Y10T436/173076 , Y10T436/212 , Y10T436/218 , Y10T436/25875
Abstract: A device and method for headspace sampling is disclosed herein. The headspace sampling device comprises a sample holding device configured to be sealed in a vial. The sample holding device has a pair of electrodes gap spaced from one another and a basket extending between the electrodes configured to hold a sample. The basket is configured to heat a sample held therewith and volatize at least a portion of the sample upon an electrical current being passed through the electrodes and the basket.
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