Patents by Inventor Peter S. Friedman
Peter S. Friedman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9529099Abstract: A position-sensitive ionizing-radiation counting detector includes a first substrate and a second substrate, and a defined gas gap between the first substrate and the second substrate. The first and second substrates comprise dielectrics and a discharge gas is contained between the first and second substrate. A microcavity structure comprising microcavities is coupled to the second substrate. An anode electrode is coupled to the first substrate and a cathode electrode is coupled to the microcavity structure on the second substrate. The detector further includes pixels defined by a microcavity and an anode electrode coupled to a cathode electrode, and a resistor coupled to each of the cathode electrodes. Each pixel may output a gas discharge counting event pulse upon interaction with ionizing-radiation. The detector further includes a voltage bus coupled to each of the resistors and a power supply coupled to at least one of the electrodes.Type: GrantFiled: November 14, 2013Date of Patent: December 27, 2016Assignees: Integrated Sensors, LLC, University of MichiganInventors: Peter S. Friedman, Daniel S. Levin
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Publication number: 20160349381Abstract: A position-sensitive ionizing-radiation counting detector includes a radiation detector gas chamber having at least one ultra-thin chamber window and an ultra-thin first substrate contained within the gas chamber. The detector further includes a second substrate generally parallel to and coupled to the first substrate and defining a gas gap between the first substrate and the second substrate. The detector further includes a discharge gas between the substrates and contained within the gas chamber, where the discharge gas is free to circulate within the gas chamber and between the first and second substrates at a given gas pressure. The detector further includes a first electrode coupled to one of the substrates and a second electrode electrically coupled to the first electrode. The detector further includes a first discharge event detector coupled to at least one of the electrodes for detecting a gas discharge counting event in the electrode.Type: ApplicationFiled: March 18, 2014Publication date: December 1, 2016Applicant: Integrated Sensors, LLCInventor: Peter S. FRIEDMAN
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Publication number: 20160047918Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: ApplicationFiled: August 4, 2015Publication date: February 18, 2016Inventor: Peter S. FRIEDMAN
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Patent number: 9261607Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: GrantFiled: March 1, 2013Date of Patent: February 16, 2016Assignee: INTEGRATED SENSORS, LLCInventors: Peter S. Friedman, Ray A. Stoller
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Patent number: 9110173Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: GrantFiled: April 22, 2014Date of Patent: August 18, 2015Assignee: Integrated Sensors, LLCInventor: Peter S. Friedman
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Publication number: 20150204984Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: ApplicationFiled: April 22, 2014Publication date: July 23, 2015Applicant: Integrated Sensors, LLCInventor: Peter S. FRIEDMAN
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Publication number: 20150001411Abstract: A position-sensitive ionizing-radiation counting detector includes a first substrate and a second substrate, and a defined gas gap between the first substrate and the second substrate. The first and second substrates comprise dielectrics and a discharge gas is contained between the first and second substrate. A microcavity structure comprising microcavities is coupled to the second substrate. An anode electrode is coupled to the first substrate and a cathode electrode is coupled to the microcavity structure on the second substrate. The detector further includes pixels defined by a microcavity and an anode electrode coupled to a cathode electrode, and a resistor coupled to each of the cathode electrodes. Each pixel may output a gas discharge counting event pulse upon interaction with ionizing-radiation. The detector further includes a voltage bus coupled to each of the resistors and a power supply coupled to at least one of the electrodes.Type: ApplicationFiled: November 14, 2013Publication date: January 1, 2015Applicants: Integrated Sensors, LLC, University of MichiganInventors: Peter S. FRIEDMAN, Daniel S. LEVIN
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Patent number: 8710449Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: GrantFiled: March 22, 2013Date of Patent: April 29, 2014Assignee: Integrated Sensors, LLCInventor: Peter S. Friedman
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Publication number: 20130284884Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: ApplicationFiled: March 22, 2013Publication date: October 31, 2013Inventor: Peter S. FRIEDMAN
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Publication number: 20130240748Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: ApplicationFiled: March 1, 2013Publication date: September 19, 2013Applicant: INTEGRATED SENSORS, LLCInventors: Peter S. FRIEDMAN, Ray A. STOLLER
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Patent number: 8389946Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: GrantFiled: July 21, 2011Date of Patent: March 5, 2013Assignee: Integrated Sensors, LLCInventors: Peter S. Friedman, Ray A. Stoller
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Publication number: 20120205548Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to one side of the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a second impedance is coupled to the second electrode. A power supply is coupled to at least one electrode. A first discharge event detector is coupled to the first impedance and a second discharge event detector is coupled to the second impedance. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge pulse upon interaction with radiation received from the photocathode.Type: ApplicationFiled: April 12, 2012Publication date: August 16, 2012Applicant: INTEGRATED SENSORS, LLCInventor: Peter S. FRIEDMAN
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Patent number: 8158953Abstract: A position-sensitive radiation counting detector includes a first and a second substrate. A gas is contained within the gap between the substrates. A photocathode layer is coupled to the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a power supply is coupled to at least one electrode. A first discharge event detector is coupled to one of the electrodes for detecting a gas discharge event in the electrode. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge counting event pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: GrantFiled: March 2, 2011Date of Patent: April 17, 2012Assignee: Integrated Sensors, LLCInventor: Peter S. Friedman
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Publication number: 20110309261Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: ApplicationFiled: July 21, 2011Publication date: December 22, 2011Applicant: INTEGRATED SENSORS, LLCInventors: Peter S. FRIEDMAN, Ray A. STOLLER
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Patent number: 7982191Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: GrantFiled: March 15, 2010Date of Patent: July 19, 2011Assignee: Integrated Sensors, LLCInventors: Peter S. Friedman, Ray A. Stoller
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Patent number: 7902516Abstract: A radiation counting detector includes a first substrate and a second substrate that is generally parallel to the first substrate and forms a gap with the first substrate. A gas is contained within the gap. A photocathode layer is coupled to one side of the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a second impedance is coupled to the second electrode. A power supply is coupled to at least one of the electrodes. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: GrantFiled: February 17, 2010Date of Patent: March 8, 2011Assignee: Integrated Sensors, LLPInventor: Peter S. Friedman
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Publication number: 20100265078Abstract: A plasma panel based ionizing-particle radiation detector includes a first substrate and a second substrate coupled to the first substrate by a hermetic seal. The second substrate is an ultra-thin substrate. The detector further includes a discharge gas between the first and second substrate and at least one second electrode electrically coupled to a first electrode and defining at least one pixel with the first electrode. The second electrode is coupled to the first substrate and a first impedance is coupled to the first electrode. The detector further includes a power supply coupled to at least the first or second electrode and a first discharge event detector circuitry is coupled to at least one of the first or second electrodes for detecting a gas discharge counting event in the electrode. The detector further includes a plurality of pixels, each pixel capable of outputting a gas discharge pulse upon interaction with ionizing-radiation.Type: ApplicationFiled: April 20, 2010Publication date: October 21, 2010Applicant: INTEGRATED SENSORS, LLCInventor: Peter S. Friedman
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Publication number: 20100187431Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: ApplicationFiled: March 15, 2010Publication date: July 29, 2010Applicant: INTEGRATED SENSORS, LLCInventors: Peter S. FRIEDMAN, Ray A. STOLLER
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Publication number: 20100155616Abstract: A radiation counting detector includes a first substrate and a second substrate that is generally parallel to first substrate and forms a gap with the first substrate. A gas is contained within the gap. A photocathode layer is coupled to one side of the first substrate and faces the second substrate. A first electrode is coupled to the second substrate and a second electrode is electrically coupled to the first electrode. A first impedance is coupled to the first electrode and a second impedance is coupled to the second electrode. A power supply is coupled to at least one of the electrodes. A first discharge event detector is coupled to the first impedance and a second discharge event detector is coupled to the second impedance. The radiation counting detector further includes a plurality of pixels, each capable of outputting a gas discharge pulse upon interaction with radiation received from the photocathode. Each gas discharge pulse is counted as having an approximately equal value.Type: ApplicationFiled: February 17, 2010Publication date: June 24, 2010Applicant: INTEGRATED SENSORS, LLCInventor: Peter S. FRIEDMAN
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Patent number: 7696485Abstract: A radiation detector is formed from a plasma panel that includes a front substrate, and a back substrate that forms a generally parallel gap with the front substrate. X (column) and Y (row) electrodes are coupled by gas discharge events to define one or more pixels. Impedances are coupled to the X and Y electrodes, and a power supply is coupled to one or both types of electrodes. Discharge event detectors are coupled to the impedances.Type: GrantFiled: March 5, 2009Date of Patent: April 13, 2010Assignee: Integrated Sensors, LLCInventors: Peter S. Friedman, Ray A. Stoller