Photoelectric conversion apparatus, manufacturing method therefor, and X-ray imaging apparatus
Patent 7164115 Issued on January 16, 2007. Estimated Expiration Date: 
February 24, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 24, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesX-ray diagnostics installation Photoelectric converter, its driving method, and system including the photoelectric converter Patent #: 6075256 InventorAssigneeApplicationNo. 10786785 filed on 02/24/2004US Classes:250/214.1, Special photocell250/208.1, Plural photosensitive image detecting element arrays250/370.09, X-ray or gamma-ray system378/92, For plural X-ray sources257/53, Responsive to nonelectrical external signals (e.g., light)378/98.7, With automatic image brightness control378/98.8With solid-state image detectorExaminersPrimary: Epps, GeorgiaAssistant: Williams, Don Attorney, Agent or FirmInternational ClassesH01L 31/00H01L 27/00 H01L 25/00 H05G 1/70 AbstractIn an X-ray imaging apparatus, an optical sensor (phototimer detection unit) corresponding to a conventional photomultiplier is incorporated in a two-dimensional sensor (on a signal line), and a signal from the phototimer detection unit is integrated and monitored, thereby performing exposure control. This makes it possible to incorporate the phototimer detection unit without affecting the aperture ratio of pixels which influence the performance of the X-ray imaging apparatus and the characteristics of a MIS type photoelectric conversion unit, thereby performing proper exposure control.Field of SearchAmorphous semiconductorPolycrystalline semiconductor Responsive to electromagnetic radiation Having diverse electrical device Plural responsive devices (e.g., array, etc.) Including integrally formed optical element (e.g., reflective layer, luminescent layer, etc.) Responsive to nonelectrical external signals (e.g., light) With Schottky barrier to amorphous material Plural light sources or optical paths Plural photosensitive image detecting element arrays Particular detection structure (e.g., MOS, PIN) Special photocell Special photocell or electron tube circuits X-ray or gamma-ray system Plural diverse X-ray analyses For plural X-ray sources With visible light optics With automatic image brightness control With plural X-ray energies With solid-state image detector | |
