Patents by Inventor Frédéric Stichelbaut

Frédéric Stichelbaut 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).

  • Publication number: 20180009711
    Abstract: The present invention relates to a low-activation concrete comprising high-purity limestone aggregate and white cement, or high-purity limestone aggregate and aluminous cement. The low-activation concrete reduces the content of Europium, Cobalt and Cesium, as well as the content of elements such as Aluminium, Sodium, and Magnesium, when compared to standard concrete compositions and compositions for low-activation concrete already known in the art. The use of the low-activation concrete for forming an interior wall of a particle accelerator vault is provided as well.
    Type: Application
    Filed: July 5, 2017
    Publication date: January 11, 2018
    Inventors: Frédéric Stichelbaut, Julie Piérard, Laura Kupers
  • Publication number: 20170345523
    Abstract: The present disclosure relates to an isotope production apparatus. In one implementation, the apparatus may include a cyclotron for producing a particle beam, a shielding surrounding the cyclotron, and a target system within the shielding. The shielding may include a first layer having a hydrogen content of at least 100 kg/m3 and a second layer having at least 4900 kg/m3 of material having an atomic number equal to or higher than 26, and at least 29 kg/m3 of hydrogen.
    Type: Application
    Filed: May 25, 2017
    Publication date: November 30, 2017
    Inventors: Benoît Nactergal, Frédéric Stichelbaut
  • Patent number: 9186525
    Abstract: The invention is related to an apparatus and method for charged hadron therapy verification by detecting and/or quantifying prompt gammas produced when irradiating a target (6) with a charged hadron beam. The apparatus comprises a collimator (1) provided with a slit-shaped portion (2) configured to be arranged perpendicularly to the beam line and facing the target, a detection means (3,4) suitable for detecting said prompt gammas and a calculation and representation means. In the apparatus and method of the invention, the slit is configured to allow the passage of prompt gammas emitted from a range of depths in said target (6), said depths being measured in the direction of the charged hadron beam.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: November 17, 2015
    Assignees: Ion Beam Applications S.A., Université Libre de Bruxelles
    Inventors: Damien Prieels, Frédéric Stichelbaut, Julien Smeets, Alain Dubus, Jean-Claude Dehaes
  • Publication number: 20140061493
    Abstract: The invention is related to an apparatus and method for charged hadron therapy verification by detecting and/or quantifying prompt gammas produced when irradiating a target (6) with a charged hadron beam. The apparatus comprises a collimator (1) provided with a slit-shaped portion (2) configured to be arranged perpendicularly to the beam line and facing the target, a detection means (3,4) suitable for detecting said prompt gammas and a calculation and representation means. In the apparatus and method of the invention, the slit is configured to allow the passage of prompt gammas emitted from a range of depths in said target (6), said depths being measured in the direction of the charged hadron beam.
    Type: Application
    Filed: February 3, 2012
    Publication date: March 6, 2014
    Inventors: Damien Prieels, Frédéric Stichelbaut, Julien Smeets, Alain Dubus, Jean-Claude Dehaes
  • Patent number: 8481951
    Abstract: The invention is related to the field of charged Hadron Therapy, i.e. radiation therapy using strongly interacting particles. More particularly, the invention relates to a detector and method for measuring the beam range of a charged hadron beam in a target object as well as the particle dose distribution in the target object.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: July 9, 2013
    Assignee: Ion Beam Applications S.A.
    Inventors: Yves Jongen, Frédéric Stichelbaut
  • Patent number: 8093574
    Abstract: A shielding (11) for reducing the amount of radiation passing through the shielding comprises a first part (111) and a second part (112), wherein the first part is arranged for being withdrawn from the second part and wherein said first and second parts comprise abutments. At least one pair of corresponding abutments of said first and second parts has a transverse section which is curvilinearly shaped along a portion of at least half of said transverse section.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: January 10, 2012
    Assignee: Ion Beam Applications S.A.
    Inventors: Frederic Stichelbaut, Albert Blondin, Jean-Claude Amelia
  • Publication number: 20110186720
    Abstract: The invention is related to the field of charged Hadron Therapy, i.e. radiation therapy using strongly interacting particles. More particularly, the invention relates to a detector and method for measuring the beam range of a charged hadron beam in a target object as well as the particle dose distribution in the target object.
    Type: Application
    Filed: July 3, 2009
    Publication date: August 4, 2011
    Inventors: Yves Jongen, Frédéric Stichelbaut
  • Publication number: 20090194713
    Abstract: A shielding (11) for reducing the amount of radiation passing through the shielding comprises a first part (111) and a second part (112), wherein the first part is arranged for being withdrawn from the second part and wherein said first and second parts comprise abutments. At least one pair of corresponding abutments of said first and second parts has a transverse section which is curvilinearly shaped along a portion of at least half of said transverse section.
    Type: Application
    Filed: June 1, 2007
    Publication date: August 6, 2009
    Inventors: Frederic Stichelbaut, Albert Blondin, Jean-Claude Amelia
  • Patent number: 7486771
    Abstract: Method for irradiating in an irradiation chamber products being stored in the form of pallets or in the form of bulk material in appropriate containers by means of a high energy X-ray beam source including the following steps: placing and arranging the products onto two different levels of products, so that a first set of products is placed on an upper level and a second set of products is placed on a lower level; irradiating both sets of products during a first period of time; submitting the products arranged on the two levels to a switch or transposition, so that the set of products arranged on an upper level is arranged on the lower level and vice versa and irradiating during a second period of time the new arrangement formed of the two transposed sets of products.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: February 3, 2009
    Assignee: Ion Beam Applications S.A.
    Inventors: Frederic Stichelbaut, Jean-Louis Bol
  • Patent number: 7289600
    Abstract: The present invention is related to process and an apparatus for irradiating products by means of high energy X-ray beam source (1) in an installation having an irradiation chamber (2), said process comprising the following steps, controlled by controlling means: determining the density of the products to be irradiated, in order to irradiate said products as a stack predetermining, on the basis of said density, the optimal size of the product stack able to optimize the throughput of the installation and/or the dose uniformity ratio (DUR), in the irradiation chamber (2), loading products as a stack onto rotation means (3) located in front of the X-ray beam source (1), while rotating the rotation means around a rotation axis (10), irradiating said products from a lateral side of said product stack.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: October 30, 2007
    Assignee: Ion Beam Applications S.A.
    Inventors: Arnold S. Herer, Fréderic Stichelbaut
  • Patent number: 7274026
    Abstract: The present invention is related to an apparatus for irradiating products conveyed on a pallet, comprising a beam source (3) for producing a radiation beam, a shielding wall (4) encompassing an irradiation chamber (2) and a revolving cylindrical door (6) having a recess (8) for holding said pallet, for bringing said pallet in and out of the irradiation chamber (2) wherein said high-energy radiation beam is directed towards a lateral side of said revolving door (6), for irradiating said pallet in said recess (8), or brought before said recess (8). The present invention is also related to a process wherein a product pallet is brought into an irradiation chamber (2) through a revolving cylindrical door (6) having a recess (8), and irradiated while in said recess (8) or in front of said recess (8).
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: September 25, 2007
    Assignee: Ion Beam Application S.A.
    Inventors: Jean-Louis Bol, Benoit Mullier, Fréderic Stichelbaut, Glenn Nelson
  • Patent number: 7197111
    Abstract: The present invention is related to a process for irradiation of a product pallet having four vertical faces by a photon beam such as an X-ray beam, a gamma source or similar, consisting in an irradiation procedure comprising the following steps: introducing the product pallet into an irradiation zone according to a horizontal translation movement, submitting said product pallet to said photon beam, the source of which having a vertical movement, the horizontal translation movement of the product pallet and the vertical movement of the beam resulting in the irradiation of a vertical face of said product pallet, moving out said product pallet from the irradiation zone. giving a rotation of substantially 90° to said product pallet using rotation means, repeating said irradiation process until at least the four vertical faces of said product pallet have been irradiated.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: March 27, 2007
    Assignee: Ion Beam Applications S.A.
    Inventors: Graham Rose, Muriel Vander Donckt, Frédéric Stichelbaut, Olivier Gregoire
  • Publication number: 20070009090
    Abstract: Method for irradiating in an irradiation chamber products being stored in the form of pallets or in the form of bulk material in appropriate containers by means of a high energy X-ray beam source, comprising the following steps: placing and arranging the products onto two different levels of products, so that a first set of products is placed on an upper level and a second set of products is placed on a lower level; irradiating both sets of products during a first period of time; submitting the products arranged on said two levels to a switch or transposition, so that the set of products arranged on an upper level is arranged on the lower level and vice-versa; irradiating during a second period of time the new arrangement formed of the two transposed sets of products.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 11, 2007
    Applicant: ION BEAM APPLICATIONS, S.A.
    Inventors: Frederic Stichelbaut, Jean-Louis Bol
  • Patent number: 7067827
    Abstract: The present invention is related to an apparatus and method for irradiating a product package, comprising a radiation source directing a radiation beam along a beam direction towards said product package, conveying means for transporting said product package past said radiation source along a transport path, and reflecting means located on at least one side of the plane formed by said beam direction and said transport path. By adjusting the distance and angle of the reflecting means to the conveyor and beam, and improved dose uniformity ratio is obtained.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: June 27, 2006
    Assignee: Ion Beam Applications S.A.
    Inventors: Jean Louis Bol, Olivier Gregoire, Francis Martin, Benoît Mullier, Frédéric Stichelbaut
  • Patent number: 6940944
    Abstract: The present invention is related to a method and apparatus of radiation processing of a product package in a device having a radiation source, a collimator having a variable aperture, and a turntable, said radiation processing resulting in a point in the product package where the dose is minimal (Dmin point) and a point in said product package where the dose is maximal (Dmax point) comprising the steps of: determining a first value of the collimator aperture, by increasing said aperture from a small value, where the Dmax point is located near the centre of the product package, up to a value where the Dmax point moves near to the centre of a small side of said package's rectangular horizontal cross-section; determining a second value of the collimator aperture, by further increasing the collimator aperture up to a point where the Dmin point moves from a point near the corner of the product package to the centre of said package; processing said package with radiation, the collimator aperture being kept at a
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: September 6, 2005
    Assignee: Ion Beam Applications S. A.
    Inventor: Frederic Stichelbaut
  • Publication number: 20050167613
    Abstract: The present invention is related to an apparatus for irradiating products conveyed on a pallet, comprising a beam source (3) for producing a radiation beam, a shielding wall (4) encompassing an irradiation chamber (2) and a revolving cylindrical door (6) having a recess (8) for holding said pallet, for bringing said pallet in and out of the irradiation chamber (2) wherein said high-energy radiation beam is directed towards a lateral side of said revolving door (6), for irradiating said pallet in said recess (8), or brought before said recess (8). The present invention is also related to a process wherein a product pallet is brought into an irradiation chamber (2) through a revolving cylindrical door (6) having a recess (8), and irradiated while in said recess (8) or in front of said recess (8).
    Type: Application
    Filed: February 13, 2003
    Publication date: August 4, 2005
    Applicant: ION Beam Applications SA
    Inventors: Jean-Louis Bol, Benoit Mullier, Frederic Stichelbaut, Glenn Nelson
  • Publication number: 20050098740
    Abstract: The present invention is related to an apparatus and method for irradiating a product package, comprising a radiation source directing a radiation beam along a beam direction towards said product package, conveying means for transporting said product package past said radiation source along a transport path, and reflecting means located on at least one side of the plane formed by said beam direction and said transport path. By adjusting the distance and angle of the reflecting means to the conveyor and beam, and improved dose uniformity ratio is obtained.
    Type: Application
    Filed: July 28, 2004
    Publication date: May 12, 2005
    Applicant: ION BEAM APPLICATIONS S.A.
    Inventors: Jean Bol, Olivier Gregoire, Francis Martin, Benoit Mullier, Frederic Stichelbaut
  • Publication number: 20050058246
    Abstract: The present invention is related to a process for irradiation of a product pallet having four vertical faces by a photon beam such as an X-ray beam, a gamma source or similar, consisting in an irradiation procedure comprising the following steps: introducing the product pallet into an irradiation zone according to a horizontal translation movement, submitting said product pallet to said photon beam, the source of which having a vertical movement, the horizontal translation movement of the product pallet and the vertical movement of the beam resulting in the irradiation of a vertical face of said product pallet, moving out said product pallet from the irradiation zone. giving a rotation of substantially 90° to said product pallet using rotation means, repeating said irradiation process until at least the four vertical faces of said product pallet have been irradiated.
    Type: Application
    Filed: December 3, 2001
    Publication date: March 17, 2005
    Inventors: Graham Rose, Muriel Vander Donckt, Frederic Stichelbaut, Olivier Gregoire
  • Publication number: 20050053194
    Abstract: The present invention is related to a method and apparatus of radiation processing of a product package in a device having a radiation source, a collimator having a variable aperture, and a turntable, said radiation processing resulting in a point in the product package where the dose is minimal (Dmin point) and a point in said product package where the dose is maximal (Dmax point) comprising the steps of: determining a first value of the collimator aperture, by increasing said aperture from a small value, where the Dmax point is located near the centre of the product package, up to a value where the Dmax point moves near to the centre of a small side of said package's rectangular horizontal cross-section; determining a second value of the collimator aperture, by further increasing the collimator aperture up to a point where the Dmin point moves from a point near the corner of the product package to the centre of said package; processing said package with radiation, the collimator aperture being kept at a
    Type: Application
    Filed: September 8, 2003
    Publication date: March 10, 2005
    Applicant: ION BEAM APPLICATIONS S.A.
    Inventor: Frederic Stichelbaut
  • Publication number: 20040223870
    Abstract: The present invention is related to process and an apparatus for irradiating products by means of high energy X-ray beam source (1) in an installation having an irradiation chamber (2), said process comprising the following steps, controlled by controlling means:
    Type: Application
    Filed: March 18, 2004
    Publication date: November 11, 2004
    Applicant: ION BEAM APPLICATIONS S.A.
    Inventors: Arnold S. Herer, Frederic Stichelbaut