Patents Assigned to Varex Imaging Corporation
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Publication number: 20230056945Abstract: An imaging system for inspecting multiple objects includes an x-ray source having a beam width greater than or equal to a threshold beam size. The multiple objects is irradiated by the x-ray source in respective controlled inspection positions. A detection mechanism is adapted to acquire respective images of the multiple objects in the respective controlled inspection positions. The detection mechanism includes one or more detectors arranged circumferentially around a central axis. At least one positioning mechanism is adapted to move the multiple objects into and out of the respective controlled inspection positions.Type: ApplicationFiled: August 23, 2022Publication date: February 23, 2023Applicant: Varex Imaging CorporationInventors: Michael Stamm, David T. Nisius, Daniel Shedlock, Josh M. Star-Lack, Gregory C. Andrews, Matthias Ehrat
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Patent number: 11581753Abstract: Some embodiments include a radiographic imaging system, comprising: a radiographic imager, including: an imaging array; imager control logic configured to control the imaging array; a power system configured to supply power to at least the imaging array and the imager control logic; a wireless power receiver configured to receive energy wirelessly and provide at least part of that energy to the power system; and a wireless communication transmitter; and a charging mat, including: a wired power input; a wireless power transmitter configured to transmit energy wirelessly; and a wireless communication receiver; wherein the wireless power receiver, the wireless power transmitter, the wireless communication receiver, and the wireless communication transmitter are positioned such that the radiographic imager can be placed on the charging mat where, simultaneously, the wireless power receiver is aligned with the wireless power transmitter and the wireless communication receiver is aligned with the wireless communicaType: GrantFiled: May 1, 2020Date of Patent: February 14, 2023Assignee: Varex Imaging CorporationInventors: Carlo Tognina, John Shen, Matt McCabe, Marcelo Costa
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Patent number: 11574789Abstract: In some embodiments, a cathode assembly may include a cathode head that has a first electron emitter and a second electron emitter. The first electron emitter may have a first connection location and a second connection location. The second electron emitter may have a third connection location and a fourth connection location. The third connection location may be electrically coupled with the second connection location of the first electron emitter. The cathode assembly may include a receptacle having a first connector and a second connector. The first connector may be electrically coupled with the first connection location of the first electron emitter. The second connector may be electrically coupled with the second connection location of the first electron emitter and the third connection location of the second electron emitter. The third connector may be electrically coupled with the fourth connection location of the second electron emitter.Type: GrantFiled: September 27, 2017Date of Patent: February 7, 2023Assignee: Varex Imaging CorporationInventors: Jacob Sullivan, Santosh Ramachandran, Evgeny Galyaev, Gregory C. Andrews, Christopher Lewis
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Publication number: 20230013291Abstract: Some embodiments include an x-ray detector, comprising: a housing including a front plate; a substrate including a plurality of sensors configured to generate a two-dimensional image; and an x-ray conversion material; wherein the substrate and the x-ray conversion material are disposed within the housing and on the front plate.Type: ApplicationFiled: July 23, 2021Publication date: January 19, 2023Applicant: Varex Imaging CorporationInventors: Ivan P Mollov, Richard Weisfield
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Publication number: 20230009801Abstract: Some embodiments include an x-ray system, comprising: an x-ray detector comprising: a housing; a sensor array configured to generate an image in response to incident x-ray radiation and disposed in the housing; a control circuit coupled to the sensor array, configured to control the sensor array, and disposed in the housing; and a first connector interface disposed on an exterior of the housing and electrically connected to the control circuit; an adapter comprising: a second connector interface configured to physically and electrically mate with the first connector interface; a third connector interface having at least one of a physical configuration and an electrical configuration different from the first connector interface; and a plurality of electrical connections between the second connector interface and the third connector interface.Type: ApplicationFiled: April 1, 2022Publication date: January 12, 2023Applicant: Varex Imaging CorporationInventors: Xiaoyang Shen, Marcelo C. Costa, Cody W. Bussey, Oliver Patrick Morris, Matt McCabe, Carlo Tognina, Andrew Hartmann
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Publication number: 20230005696Abstract: A vacuum tube insert assembly includes a flared insert piece having an annular flange and a stem each constructed of glass. The stem extends axially from the flange. The flange surrounds a perimeter edge of a plug concavity defined by the stem. Feed-through pins pass axially through the stem and are sealed thereto. The pins terminate inside of the concavity to form a plug. A socket connects to the plug within the concavity and includes receptacles that removably couple to the pins, with an engagement feature preventing erroneous plug and socket connections. A method includes axially inserting the pins through the stem at a fixed relative position such that the pins are arranged within the plug concavity, sealing the stem such that the stem is vacuum-sealed to the pins, thereby forming the plug, and removably coupling mating receptacles of the socket to the pins.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: Varex Imaging CorporationInventors: Gregory Robert Spencer, Jesse Hubbard, J. Scott Cox, Kyle Gray
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Patent number: 11545332Abstract: Technology is described for an anode including a substrate, a target, and an anode shield. The substrate including a substrate material includes a first portion with a first cross-sectional dimension, and a second portion with a second cross-sectional dimension greater than the first cross-sectional dimension. The target includes a target material attached to a first surface of the first portion of the substrate. The anode shield includes a shield material attached to a second surface of the second portion of the substrate, and the substrate material differs from the target material and the shield material.Type: GrantFiled: August 21, 2020Date of Patent: January 3, 2023Assignee: Varex Imaging CorporationInventors: Robert S. Miller, Gregory C. Andrews
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Publication number: 20220385838Abstract: Some embodiments include a system, comprising: a housing; an imaging array disposed within the housing; an imaging strip disposed within the housing; a first readout circuit coupled to the imaging array; a second readout circuit coupled to the imaging strip; and common electronics coupled to the first readout circuit and the second readout circuit and configured to generate image data in response to at least one of the first readout circuit and the second readout circuit.Type: ApplicationFiled: May 28, 2021Publication date: December 1, 2022Applicant: Varex Imaging CorporationInventors: Richard Weisfield, Ivan P. Mollov
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Publication number: 20220385837Abstract: Some embodiments include a system, comprising: a plurality of pixels; a plurality of data lines coupled to the pixels; a plurality of switches coupling the pixels to the data lines; a plurality of readout circuits coupled to the data lines; control logic coupled to the readout circuits, the control logic configured to, for one of the pixels: acquire a first value for the pixel while the corresponding switch is in an off state; reset the corresponding readout circuit corresponding for the pixel; acquire a second value for the pixel after resetting the readout circuit; turn on the corresponding switch; acquire a third value for the pixel after turning on the corresponding switch; and combine the first value, the second value, and the third value into a combined value for the pixel.Type: ApplicationFiled: May 28, 2021Publication date: December 1, 2022Applicant: Varex Imaging CorporationInventors: Paul Pryor, Pieter G. Roos, Richard Weisfield
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Publication number: 20220357289Abstract: An x-ray system, comprising: a backscatter detector, comprising: an x-ray conversion material; a plurality of sensors configured to generate electrical signals in combination with the x-ray conversion material in response to incident x-rays; and a collimator disposed on the x-ray conversion material and including a plurality of partitions extending away from the x-ray conversion material and the sensors and forming a plurality of openings, each opening corresponding to one of the sensors.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Applicant: Varex Imaging CorporationInventors: Daniel Shedlock, David T Nisius
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Publication number: 20220331462Abstract: Technology is described to uniformly apply doses of radiation to a target material. An irradiation device may comprise an enclosure configured to receive a target material and a source configured to emit primary radiation within the enclosure. The primary radiation may be configured to irradiate at least a first portion of the target material. The irradiation device may further comprise a scattering medium disposed within the enclosure. The scattering medium may be configured to produce secondary radiation through scatter interactions in response to the primary radiation, the secondary radiation configured to irradiate at least a second portion of the target material. A thickness of the scattering medium relative to the primary radiation may have a thickness of at least 3 millimeters).Type: ApplicationFiled: April 19, 2021Publication date: October 20, 2022Applicant: Varex Imaging CorporationInventors: Daniel Shedlock, David Nisius, Gregory Andrews, Jeff Adams
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Publication number: 20220317320Abstract: Some embodiments include an x-ray detector, comprising: a plastic housing including a conductive coating; a two-dimensional sensor array disposed in a within the plastic housing and configured to generate image data in response to incident x-rays; a front plate connected to the plastic housing, the front plate and the plastic housing forming an enclosure surrounding the two-dimensional sensor array; wherein the conductive coating and the front plate form at least part of an electromagnetic interference shield around the two-dimensional sensor array.Type: ApplicationFiled: April 19, 2021Publication date: October 6, 2022Applicant: Varex Imaging CorporationInventors: Xiaoyang Shen, Marcelo C. Costa, Matt McCabe
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Patent number: 11366239Abstract: Some embodiments include a system, comprising a hybrid imaging device comprising: a first scintillator; a first detector sensors configured to generate a signal based on photons emitted from the first scintillator; a second scintillator; a second detector sensors configured to generate a signal based on photons emitted from the second scintillator; and a control logic coupled to the first detector layer and the second detector layer; wherein: a material of the first scintillator is different from a material of the second scintillator; the first detector overlaps the second detector; and the control logic is configured to generate dose data in response to the first detector and image data in response to the second detector.Type: GrantFiled: July 31, 2019Date of Patent: June 21, 2022Assignee: Varex Imaging CorporationInventors: Minghui Lu, Joachim Steiger, Richard Aufrichtig
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Publication number: 20220099599Abstract: Some embodiments include a radiographic inspection system, comprising: a drive mechanism configured to move along a structure; a detector attached to the drive mechanism; a radiation source attached to the drive mechanism and positionable relative to the detector such that a width of the structure casts a radiation shadow on an active area of the detector; and control logic coupled to the detector and configured to: receive an image from the detector; generate side wall loss information based on the image; and generate bottom wall loss information based on the image.Type: ApplicationFiled: September 29, 2020Publication date: March 31, 2022Applicant: Varex Imaging CorporationInventors: Rajashekar Venkatachalam, David T Nisius
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Publication number: 20220099598Abstract: Some embodiments include a radiographic inspection system, comprising: a drive mechanism configured to move along a structure; a detector attached to the drive mechanism; a radiation source attached to the drive mechanism and positionable relative to the detector such that a width of the structure casts a radiation shadow on an active area of the detector; and control logic coupled to the detector and configured to: receive an image from the detector; generate side wall loss information based on the image; and generate bottom wall loss information based on the image.Type: ApplicationFiled: September 29, 2020Publication date: March 31, 2022Applicant: Varex Imaging CorporationInventors: David T Nisius, Clyde May, Rajashekar Venkatachalam
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Patent number: 11276542Abstract: Some embodiments include an x-ray system, comprising: a structure having a hole having an axially extending wall; and a nozzle disposed in the hole; wherein the nozzle and the axially extending wall form a plurality of axially extending helical fluid channels. Some embodiments include an x-ray system formed by shaping tubing to form a plurality of axially extending helical flutes; and forming a plurality of axially extending helical fluid channels by inserting the shaped tubing into a hole in a structure.Type: GrantFiled: August 21, 2019Date of Patent: March 15, 2022Assignee: Varex Imaging CorporationInventors: Kasey Otho Greenland, Ronald Wayne Boutte, Patrick Kevin Lewis
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Patent number: 11269091Abstract: Some embodiments include a system, comprising: first circuit including a transistor having an optically sensitive threshold voltage; a light source configured to illuminate the transistor; and a control circuit configured to activate the light source based on the threshold voltage. In some embodiments, a threshold voltage of the transistor may be stabilized.Type: GrantFiled: April 23, 2019Date of Patent: March 8, 2022Assignee: Varex Imaging CorporationInventors: Richard Weisfield, Kungang Zhou
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Publication number: 20220042932Abstract: Embodiments include a method, comprising: receiving measured radiation obtained from a radiation detector that received radiation through an object; simulating the measured radiation obtained from the radiation detector that received radiation through the object; generating an offset based on the measured radiation and the simulated measured radiation; estimating scatter radiation based on the offset; and estimating primary radiation based on the estimated scatter radiationType: ApplicationFiled: August 4, 2021Publication date: February 10, 2022Applicant: Varex Imaging CorporationInventors: Mingshan Sun, Josh Star-Lack, Kevin Holt
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Patent number: 11201031Abstract: Some embodiments include a structure, comprising: an insulator forming at least a part of a wall of a vacuum chamber, the insulator having a first end and a second end wider than the first end; a first conductive structure disposed at the first end of the insulator; and a second conductive structure disposed at the second end of the insulator, contacting the insulator, and including at least a portion surrounded by the insulator; wherein: a portion of an outer surface of the insulator extends radially outward from a triple junction between the insulator, the second conductive structure, and a medium contacting the outer surface of the insulator.Type: GrantFiled: March 22, 2018Date of Patent: December 14, 2021Assignee: Varex Imaging CorporationInventor: Wayne R. Hansen
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Patent number: 11165427Abstract: Some embodiments include a system comprising: an RF source configured to generate an RF signal; an RF frequency control circuit coupled to the RF source and configured to adjust a frequency of the RF signal; an accelerator structure configured to accelerate a particle beam in response to the RF signal; and control logic configured to: receive a plurality of settings over time for the RF source; adjust the RF signal in response to the settings; and adjust a setpoint of the RF frequency control circuit in response to the settings.Type: GrantFiled: September 28, 2018Date of Patent: November 2, 2021Assignee: Varex Imaging CorporationInventor: John C Turner