The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 2013
Filed:
Feb. 07, 2011
Yasushi Iseki, Yokohama, JP;
Katsushi Hanawa, Kita-Ku, JP;
Kazunao Maeda, Suginami-Ku, JP;
Nobukazu Kakutani, Yokohama, JP;
Takuji Furukawa, Chiba, JP;
Taku Inaniwa, Chiba, JP;
Shinji Sato, Chiba, JP;
Kouji Noda, Chiba, JP;
Yasushi Iseki, Yokohama, JP;
Katsushi Hanawa, Kita-Ku, JP;
Kazunao Maeda, Suginami-Ku, JP;
Nobukazu Kakutani, Yokohama, JP;
Takuji Furukawa, Chiba, JP;
Taku Inaniwa, Chiba, JP;
Shinji Sato, Chiba, JP;
Kouji Noda, Chiba, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
National Institute of Radiological Sciences, Chiba-Shi, JP;
Abstract
A particle beam irradiation apparatus that can measure and display a dose two-dimensional distribution during scan while reducing degradation of a particle beam shape, including a particle beam generation portion; a particle beam emission control portion; a two-dimensional beam scanning portion; a sensor portion including first linear electrodes arranged in parallel in a first direction and second linear electrodes arranged in parallel in a second direction orthogonal to the first direction; a beam shape calculation portion that calculates a center of gravity of the particle beam from outputs of each the first linear and second linear electrodes and that obtains a two-dimensional beam shape of the particle beam around the center of gravity; a storage portion that accumulates and stores the two-dimensional beam shapes; and a display portion that displays the two-dimensional beam shapes as a two-dimensional distribution of a dose.