Fujifilm Corporation

Fuji Xerox Co., Ltd.

Keiichiro Sato

Haruyasu Nakatsugawa

Yasunori Ohta

Naoyuki Nishino

Naoto Iwakiri

Fumito Nariyuki

Munetaka Kato

Kenji Hara

Masakatsu Eda

Keita Yano

Noriyuki Miyoshi

Seiji Taira

Keiji Miba

Yoshiaki Tainaka

Yutaka Yoshida

Keiji Tsubota

Yusuke Kitagawa

Takeshi Kamiya

Makoto Kitada

Hirona Yumbe

Shuhei Yamazaki

Yumiko Onuma

Tomofumi Suzuki

Kei Miura

Yasuhiro Funayama

Hirofumi Hamada

Hiroshi Nakahashi

Kazuki Kuramoto

Toru Morioka

A radiographic imaging apparatus includes a sensor substrate including a flexible base material, and an active area which is provided on a first surface of the base material and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on the first surface side in the sensor substrate to convert radiation into the light; and a grid that is disposed on a second surface side opposite to the first surface of the base material and has a removal portion that has a mesh-like radiation absorbing member provided between a plurality of partitions in units of a predetermined number of pixels to remove scattered radiation according to the radiation.

Radiographic imaging apparatus

A bearing component for rotatably receiving a rotating shaft on an end of a rotating unit includes a component body, an inner protrusion, and one or more outer protrusions. The component body has a recess into which the rotating shaft is rotatably inserted. The inner protrusion protrudes from a wall portion of the recess facing an end surface of the rotating shaft. The inner protrusion receives an axial load by the rotating shaft. The outer protrusions protrude from an outer surface of the component body opposite to the recess. The one or more outer protrusions are in contact with a holding unit. A contact portion between the outer protrusions and the holding unit is offset from a contact portion position between the inner protrusion and the end surface. The contact portion between at least one of the outer protrusions and the holding unit has a non-planar shape.

Bearing component, rotating device using the same, and image forming apparatus

A cleaning device that cleans a surface of an image holding unit capable of holding an image formed using an image forming material includes: a cleaning tool that is movable along an intersecting direction intersecting with a moving direction of the image holding unit and cleans the surface of the image holding unit when placed in a contact position where the cleaning tool is in contact with the surface of the image holding unit; and a guiding unit that guides the cleaning tool so that the cleaning tool moves from a non-contact position where the cleaning tool is not in contact with the image holding unit to the contact position for cleaning the surface of the image holding unit, wherein when the image holding unit is moved, the cleaning tool placed in the contact position cleans the surface of the image holding unit.

Cleaning device and image forming apparatus using same

A cleaning device includes a cleaning member, a first bearing member, a second bearing member, and a moving mechanism. The cleaning member includes a shaft portion and an elastic layer disposed around the shaft portion. The elastic layer is brought into contact with a rotating charging body. The cleaning member cleans the charging body while rotating. The first bearing member supports a first end portion of the shaft portion while rendering the shaft portion rotatable. The second bearing member supports a second end portion of the shaft portion while rendering the shaft portion rotatable. The moving mechanism is supported by the first bearing member and the second bearing member. The moving mechanism periodically moves the shaft portion in an axial direction of the shaft portion together with a rotation of the cleaning member.

Cleaning device and image forming apparatus

A radiation detector and a radiological image radiographing apparatus capable of improving the quality of an obtained radiological image without causing an additional cost are provided. A first scintillator configured to include columnar crystals generating first light corresponding to a radiation emitted through a TFT substrate is laminated on the other surface of the TFT substrate that has a first photoelectric conversion element, which has one surface from which a radiation is emitted and the other surface from which at least one of the first light and the second light is emitted and which generates electric charges corresponding to the light, and a first switching element. A second scintillator which generates second light corresponding to a radiation emitted through the first scintillator and has different energy characteristics of absorbed radiations from the first scintillator is laminated on a surface of the first scintillator not facing the TFT substrate.

Radiation detector and radiological image radiographing apparatus

A radiation image capture device is provided with a radiation detection panel including optoelectronic conversion elements, a signal processing board that performs signal processing of the signals provided by the radiation detection panel, a flexible printed circuit, and a casing. One end of the flexible printed circuit is connected to the radiation detection panel and the other end is connected to the signal processing board. The flexible printed circuit includes a base film fowled of an insulating resin film, wiring disposed over the base film, a coating layer formed of an insulating resin disposed over the wiring, and a shield layer provided between the base film and the wiring and/or between the wiring and the coating layer. An insulator is interposed between the shield layer and the wiring, and the shield layer is connected to a fixed potential.

Radiation image capture device

Bias lines are provided for respective columns of pixels, and of a plurality of bias lines, bias lines provided at an interval of 10 mm are connected to a bias power source through a current detector. The remaining bias lines are connected directly to the bias power source without passing through the current detector. In each pixel, if electric charge is generated by a radiation detection element in accordance with the dose of irradiated radiation, a current flows in the bias line in accordance with the generated electric charge. The current detector detects the current flowing in the bias line, and a control unit detects, as the timing of starting irradiation of a radiation, when the detected current (current value) is equal to or greater than a threshold value, and starts radiographing of a radiological image.

Radiological image radiographing device, radiation image radiographing system, and radiation image radiographing method

A radiation image capture device is provided with a radiation detection panel, a signal processing board, a flexible printed circuit, a casing, and a first conductor. The radiation detection panel includes optoelectronic conversion elements that convert radiation to electronic signals. The signal processing board is disposed to oppose the radiation detection panel and performs signal processing of the electronic signals provided by the radiation detection panel. One end of the flexible printed circuit is electrically connected to the radiation detection panel and the other end is electrically connected to the signal processing board. The casing accommodates the radiation detection panel and the signal processing board, and accommodates the flexible printed circuit in a state of being separated from inner walls of the casing. The first conductor is provided at a region of the flexible printed circuit that comes in contact with the casing by movements of the flexible printed circuit.

A photoelectric conversion substrate includes: plural pixels, each provided with a sensor portion and a switching element that are formed on the substrate, the sensor portion including a photoelectric conversion element that generates charge according to illuminated light, and the switching element reading the charge from the sensor portion, a flattening layer that flattens the surface of the substrate having the switching elements and the sensor portions formed thereon, a conducting member formed over the whole face of the flattening layer; and a connection section that connects the conducting member to ground.

Photoelectric conversion substrate, radiation detector, radiographic image capture device, and manufacturing method of radiation detector

A portable radiographic imaging device including: a radiation detection panel including optoelectric conversion elements that convert irradiated radiation into an electrical signal; a signal processing substrate performing predetermined signal processing on the input electrical signal; a holding base provided between the radiation detection panel and the signal processing substrate and holding the signal processing substrate; a flexible substrate including a flexed portion, with one end of the flexible substrate being connected to the radiation detection panel and the other end of the flexible substrate being connected to the signal processing substrate; a casing in which the radiation detection panel, the signal processing substrate, the holding base and the flexible substrate are installed; and a contact avoidance portion formed at at least one of the signal processing substrate, the holding base or the casing such that contact of with the flexible substrate is avoided, is provided.

Portable radiographic imaging device and radiographic imaging system

A method of producing a radiographic image detector includes: preparing a thin-film transistor substrate comprising an insulating substrate and a thin-film transistor that is disposed on a surface of the insulating substrate at a first side; attaching, to the thin-film transistor substrate, a protective member comprising a protective member support and an adhesive layer that includes conductive particles and that is disposed on the protective member support, such that the adhesive layer and a surface of the thin-film transistor substrate at the first side contact each other; polishing a surface of the thin-film transistor substrate at a second side opposite to the first side, after the attaching of the protective member; separating and removing the protective member from the thin-film transistor substrate after the polishing; and providing a scintillator layer on a surface of the thin-film transistor substrate at the first side, after the removing of the protective member.

Radiographic image detector, method of producing the same, and protective member

A radiation image capturing device is provided with plural pixels, a detection unit and a control unit. The pixels are each provided with a sensor portion and a switching element that reads out charges generated at the sensor portion and outputs the charges to a signal line. The detection unit detects the start of irradiation if electronic signals according to the charges satisfy a pre-specified condition for irradiation detection. After the start of irradiation of radiation is detected, the control unit acquires electronic signals corresponding to the charges and determines whether the acquired electronic signals include an electronic signal caused by noise. If the electronic signal caused by noise is included, the control unit controls a reporting unit so as to report this.

Radiation image capturing device, radiation image capturing system, computer readable medium and radiation image capturing device control method

A management device that includes an acquiring component and a numericalizetion component is provided. The acquiring component acquires correlation information that correlates with a degree of deterioration of a radiation detection component from plurality of imaging devices, each of the plurality of imaging devices comprising a radiation detection component that detects radiation that has passed through respective investigation subjects, and each of the plurality of imaging devices performing image capture by generating image data representing a radiographic image according to the amount of radiation detected by the radiation detection component, and storing the image data in a predetermined storage region. The numericalization component numericalizes the degree of deterioration of each of the respective radiation detection components of the plurality of imaging devices based on the correlation information acquired by the acquiring component.

Growing community of inventors

Kanagawa, Japan

Keiichiro Sato