Patents by Inventor Risto Orava
Risto Orava 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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Publication number: 20200064281Abstract: A system (100) for producing analysis data indicative of presence of one or more predetermined components in a sample (110) is presented. The system includes source equipment (120) for directing a particle stream (130) towards the sample (110), detector equipment (140) for measuring a distribution of particles scattered from the sample (110) as a function of a scattering angle (?), and processing equipment (170) for producing the analysis data based on the measured distribution of the scattered particles and on reference information indicative of an effect of the one or more predetermined components on the distribution of the scattered particles. The scattering angle related to each scattered particle is an angle between an arrival direction of the particle stream and a trajectory (160) of the scattered particle. The system utilizes different directional properties of scattering related to different isotopes, different chemical substances, and different isomers.Type: ApplicationFiled: April 27, 2018Publication date: February 27, 2020Inventors: Jan KARLSSON, Risto ORAVA
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Publication number: 20200012000Abstract: Disclosed is an apparatus for measuring radiation. The apparatus includes an at least partially optically transparent first element. The partially optically transparent first element includes at least a first group of clusters of particles, wherein the clusters of particles of the first group are arranged at a first distance from each other and the particles of clusters of the first group are capable of converting a first type of radiation at least partly to photons having a first characteristic band of wavelengths. The apparatus also includes a photo detector arranged to measure light intensity emitted from the first group of clusters of particles and a processor configured to use the measured light intensity to determine an amount of the first type of radiation. The at least partially optically transparent element is a polymer sheet.Type: ApplicationFiled: December 14, 2017Publication date: January 9, 2020Inventor: Risto ORAVA
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Patent number: 9395454Abstract: A device for detecting neutrons includes at least one common module, where a number of solid state sensors are assembled. The sensors are configured in the module side by side and/or stacked in a layered structure. At least one of the sensors includes neutron reactive material as a neutron converter for interacting with neutrons incident thereon to be detected and to release ionizing radiation reaction products responsive to interactions with the incident neutrons. The neutron converters are coupled with corresponding semiconductor elements so that the semiconductor elements interact with the ionizing radiation reaction products for providing electrical charges in proportion to the energy of the ionizing radiation reaction products. The semiconductor elements are configured with electrodes for providing charge collection areas for collecting the electrical charges and to provide electrically readable signals proportional to the collected electrical charges.Type: GrantFiled: October 25, 2013Date of Patent: July 19, 2016Assignee: FINPHYS OYInventors: Risto Orava, Tom Schulman, Petteri Mehtala
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Publication number: 20140077089Abstract: A device for detecting neutrons includes at least one common module, where a number of solid state sensors are assembled. The sensors are configured in the module side by side and/or stacked in a layered structure. At least one of the sensors includes neutron reactive material as a neutron converter for interacting with neutrons incident thereon to be detected and to release ionizing radiation reaction products responsive to interactions with the incident neutrons. The neutron converters are coupled with corresponding semiconductor elements so that the semiconductor elements interact with the ionizing radiation reaction products for providing electrical charges in proportion to the energy of the ionizing radiation reaction products. The semiconductor elements are configured with electrodes for providing charge collection areas for collecting the electrical charges and to provide electrically readable signals proportional to the collected electrical charges.Type: ApplicationFiled: October 25, 2013Publication date: March 20, 2014Applicant: Finphys OyInventors: Risto ORAVA, Tom SCHULMAN, Petteri MEHTALA
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Patent number: 8461541Abstract: A radiation detector is disclosed. The detector has an entrance opening etched through a low-resistivity volume of silicon, a sensitive volume of high-resistivity silicon for converting the radiation particles into detectable charges, and a passivation layer between the low and high-resistivity silicon layers. The detector also has electrodes built in the form of vertical channels for collecting the charges generated in the sensitive volume, and read-out electronics for generating signals based on the collected charges.Type: GrantFiled: June 4, 2010Date of Patent: June 11, 2013Assignee: FinPhys OyInventors: Francisco Garcia, Risto Orava, Manuel Lozano, Giulio Pellegrini
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Publication number: 20130020661Abstract: A detector (100) for detecting neutrons comprises a neutron reactive material (102) adapted to interact with neutrons to be detected and release ionizing radiation reaction products in relation to said interactions with neutrons. The detector also comprises a first semiconductor element (101) being coupled with said neutron reactive material (102) and adapted to interact with said ionizing radiation reaction products and provide electrical charges proportional to the energy of said ionizing radiation reaction products. In addition electrodes are arranged in connection with said first semiconductor element (101) for providing charge collecting areas (106) for collecting the electrical charges and to provide electrically readable signal proportional to said collected electrical charges.Type: ApplicationFiled: October 26, 2010Publication date: January 24, 2013Applicant: Finphys OyInventors: Risto Orava, Tom Schulman
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Publication number: 20130015363Abstract: A detector (100) for detecting neutrons comprises a neutron reactive material (102) adapted to interact with neutrons to be detected and release ionizing radiation reaction products in relation to said interactions with neutrons. The detector also comprises a first semiconductor element (101) being coupled with said neutron reactive material (102) and adapted to interact with said ionizing radiation reaction products and provide electrical charges proportional to the energy of said ionizing radiation reaction products. In addition electrodes are arranged in connection with said first semiconductor element (101) for providing charge collecting areas (106) for collecting the electrical charges and to provide electrically readable signal proportional to said collected electrical charges. The thickness of the first semiconductor element (101) is adapted to be electrically and/or physically so thin that it is essentially/practically transparent for incident photons, such as background gamma photons.Type: ApplicationFiled: October 26, 2010Publication date: January 17, 2013Applicant: Finphys OyInventors: Risto Orava, Tom Schulman
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Patent number: 8263940Abstract: A detector for detecting neutrons includes a neutron reactive material interacting with neutrons to be detected and releasing ionizing radiation reaction products in relation to the interactions. It also includes a first semiconductor element being coupled with the neutron reactive material and adapted to interact with the ionizing radiation reaction products and provide electrical charges proportional to the energy of the ionizing radiation reaction products. In addition electrodes are arranged in connection with the first semiconductor element for providing charge collecting areas for collecting the electrical charges and to provide electrically readable signal proportional to the collected electrical charges.Type: GrantFiled: May 19, 2010Date of Patent: September 11, 2012Assignee: FinPhys OyInventors: Risto Orava, Tom Schulman
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Patent number: 8022369Abstract: A detector (100) for detecting neutrons includes a neutron reactive material (102) adapted to interact with neutrons to be detected and release ionizing radiation reaction products in relation to the interactions with neutrons. The detector also includes a first semiconductor element (101) being coupled with the neutron reactive material (102) and adapted to interact with the ionizing radiation reaction products and provide electrical charges proportional to the energy of the ionizing radiation reaction products. In addition electrodes are arranged in connection with the first semiconductor element (101) for providing charge collecting areas (106) for collecting the electrical charges and to provide electrically readable signal proportional to the collected electrical charges. The thickness of the first semiconductor element (101) is adapted to be electrically and/or physically so thin that it is essentially/practically transparent for incident photons, such as background gamma photons.Type: GrantFiled: March 8, 2010Date of Patent: September 20, 2011Assignee: FinPhys OyInventors: Risto Orava, Tom Schulman
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Publication number: 20110095194Abstract: A detector for detecting neutrons includes a neutron reactive material interacting with neutrons to be detected and releasing ionizing radiation reaction products in relation to the interactions. It also includes a first semiconductor element being coupled with the neutron reactive material and adapted to interact with the ionizing radiation reaction products and provide electrical charges proportional to the energy of the ionizing radiation reaction products. In addition electrodes are arranged in connection with the first semiconductor element for providing charge collecting areas for collecting the electrical charges and to provide electrically readable signal proportional to the collected electrical charges.Type: ApplicationFiled: May 19, 2010Publication date: April 28, 2011Applicant: FINPHYS OYInventors: Risto ORAVA, Tom SCHULMAN
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Publication number: 20110095193Abstract: A detector (100) for detecting neutrons includes a neutron reactive material (102) adapted to interact with neutrons to be detected and release ionizing radiation reaction products in relation to the interactions with neutrons. The detector also includes a first semiconductor element (101) being coupled with the neutron reactive material (102) and adapted to interact with the ionizing radiation reaction products and provide electrical charges proportional to the energy of the ionizing radiation reaction products. In addition electrodes are arranged in connection with the first semiconductor element (101) for providing charge collecting areas (106) for collecting the electrical charges and to provide electrically readable signal proportional to the collected electrical charges. The thickness of the first semiconductor element (101) is adapted to be electrically and/or physically so thin that it is essentially/practically transparent for incident photons, such as background gamma photons.Type: ApplicationFiled: March 8, 2010Publication date: April 28, 2011Applicant: FINPHYS OYInventors: Risto ORAVA, Tom SCHULMAN
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Publication number: 20110079728Abstract: A radiation detector is disclosed. The detector has an entrance opening etched through a low-resistivity volume of silicon, a sensitive volume of high-resistivity silicon for converting the radiation particles into detectable charges, and a passivation layer between the low and high-resistivity silicon layers. The detector also has electrodes built in the form of vertical channels for collecting the charges generated in the sensitive volume, and read-out electronics for generating signals based on the collected charges.Type: ApplicationFiled: June 4, 2010Publication date: April 7, 2011Applicants: FinPhys Oy, Consejo Superior de Investigaciones Cientificas (CSIC)Inventors: Francisco Garcia, Risto Orava, Manuel Lozano, Giulio Pellegrini