Abstract: A radiation detection element includes a plurality of pixel electrodes, each pixel electrodes including a first electrode placed on the first surface of an insulating member and having an opening portion and a second electrode placed at the opening portion of the first electrode. The plurality of pixel electrodes is arrayed in the row direction and the column direction. The pitch of the pixel electrodes in the row direction and the column direction is 380 ?m or less. An area ratio between the first electrode and the second electrode falls within the range of 14.5:1 to 154.6:1.

Abstract: A radiation detection element includes a plurality of pixel electrodes, each pixel electrodes including a first electrode placed on the first surface of an insulating member and having an opening portion and a second electrode placed at the opening portion of the first electrode. The plurality of pixel electrodes is arrayed in the row direction and the column direction. The pitch of the pixel electrodes in the row direction and the column direction is 380 ?m or less. An area ratio between the first electrode and the second electrode falls within the range of 14.5:1 to 154.6:1.

Abstract: A nuclear medicine examination apparatus is a nuclear medicine examination apparatus incorporating a Compton camera using gas amplification. The Compton camera has a chamber in which a gas is sealed. The nuclear medicine examination apparatus includes sensors that output signals each representing a gas state in the chamber and a controller that controls the gas state in the chamber on the basis of output signals from the sensors.

Abstract: A nuclear medicine examination apparatus is a nuclear medicine examination apparatus incorporating a Compton camera using gas amplification. The Compton camera has a chamber in which a gas is sealed. The nuclear medicine examination apparatus includes sensors that output signals each representing a gas state in the chamber and a controller that controls the gas state in the chamber on the basis of output signals from the sensors.

Abstract: A detection element can obtain a high-resolution radiation image having a high signal intensity and a high S/N ratio. A detection element including a substrate having a through hole, an insulating layer arranged inside of the through hole, a through electrode arranged further to the inner side of the through hole than the insulating layer, a resin layer having insulating properties and having an opening portion exposing the through electrode, a first electrode arranged above the through electrode and the resin layer, the first electrode being connected to the through electrode through the opening portion, and a second electrode arranged above the resin layer, the second electrode being separated from the first electrode.

Abstract: A radiation image forming apparatus includes a detection unit including a plurality of Compton cameras. Each of the plurality of Compton cameras including a radiation detection device that includes a plurality of pixels, each configured to detect an electron generated by the track of a recoil electron generated by Compton scattering, and is configured to output a detection signal configured to specify the position of a pixel that has detected the electron and a time when the pixel has detected the electron, and a detection module configured to detect the incident position of scattered ? rays generated by the Compton scattering. The plurality of the Compton cameras arranged annularly to surround a region in which a specimen is placed.

Abstract: Adhesion of an underlying diffusion barrier metal film and an electroless copper plating film with respect to an insulating film can be improved. A method for manufacturing a wiring structure includes a process of forming the underlying diffusion barrier metal film 5, including a base metal with respect to copper, on the insulating film 1; and a process of forming the electroless copper plating film 6 on the underlying diffusion barrier metal film 5 by performing an electroless copper displacement plating process with a copper displacement plating solution. The copper displacement plating solution is an acidic copper displacement plating solution of pH1 to pH4, in which copper ions are contained but a reducing agent for reducing the copper ions is not contained.

Abstract: Adhesion of an underlying diffusion barrier metal film and an electroless copper plating film with respect to an insulating film can be improved. A method for manufacturing a wiring structure includes a process of forming the underlying diffusion barrier metal film 5, including a base metal with respect to copper, on the insulating film 1; and a process of forming the electroless copper plating film 6 on the underlying diffusion barrier metal film 5 by performing an electroless copper displacement plating process with a copper displacement plating solution. The copper displacement plating solution is an acidic copper displacement plating solution of pH1 to pH4, in which copper ions are contained but a reducing agent for reducing the copper ions is not contained.

Abstract: In the radiographic imaging device, a portion of a second effective imaging region at a first side or a second side of a sensor unit of a second radiation detection panel, and a portion of a first effective imaging region at a third side or a fourth side of the sensor unit of a first radiation detection panel, are overlapped in a radiation irradiating direction. A portion of a second effective imaging region at the third side or the fourth side of the sensor unit of the second radiation detection panel, and a portion of a third effective imaging region at the third side or the fourth side of the sensor unit of the third radiation detection panel, are overlapped in the radiation irradiating direction. The second radiation detection panel is disposed at a side opposite the radiation irradiating section side of the first radiation detection panel and the third radiation detection panel.

Abstract: In the radiographic imaging device, a portion of a second effective imaging region at a first side or a second side of a sensor unit of a second radiation detection panel, and a portion of a first effective imaging region at a third side or a fourth side of the sensor unit of a first radiation detection panel, are overlapped in a radiation irradiating direction. A portion of a second effective imaging region at the third side or the fourth side of the sensor unit of the second radiation detection panel, and a portion of a third effective imaging region at the third side or the fourth side of the sensor unit of the third radiation detection panel, are overlapped in the radiation irradiating direction. The second radiation detection panel is disposed at a side opposite the radiation irradiating section side of the first radiation detection panel and the third radiation detection panel.

Abstract: A honeycomb structured body includes a plurality of silicon carbide-based honeycomb fired bodies and adhesive layers. The plurality of silicon carbide-based honeycomb fired bodies each include silicon carbide particles and cell walls. The silicon carbide particles have a surface coated with a silicon-containing oxide layer. The cell walls are provided along a longitudinal direction of the plurality of silicon carbide-based honeycomb fired bodies to define cells. Each of the cells has a first end and a second end opposite to the first end along the longitudinal direction. Either the first end or the second end is sealed. The adhesive layers are provided between the plurality of silicon carbide-based honeycomb fired bodies to bond the plurality of silicon carbide-based honeycomb fired bodies. The adhesive layers include alumina fibers and inorganic balloons.

Abstract: A honeycomb structured body includes a plurality of pillar-shaped honeycomb fired bodies and adhesive layers. The plurality of pillar-shaped honeycomb fired bodies each include cell walls provided along a longitudinal direction of the plurality of pillar-shaped honeycomb fired bodies to define cells. Each of the cells has a first end and a second end opposite to the first end along the longitudinal direction. Either the first end or the second end is sealed. The adhesive layers are provided between the plurality of pillar-shaped honeycomb fired bodies to bond the plurality of pillar-shaped honeycomb fired bodies. The adhesive layers include alumina fibers and inorganic balloons. The alumina fibers have an average length of about 25 ?m to about 100 ?m. The inorganic balloons have an average particle size of about 150 ?m to about 250 ?m.

Abstract: An optical pickup apparatus includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light flux; and an objective optical unit having a first optical path difference providing structure and a second optical path difference providing structure. Magnifications of the objective optical unit for the first-third light fluxes have almost same value. The first optical path difference providing structure provides a predefined optical path difference and changes a spherical aberration to be one of under-correction and over-correction for all of the first light flux, the second light flux, and the third light flux. The second optical path difference providing structure provides a predefined optical path difference and changes a spherical aberration to be the other of under-correction and over-correction of the spherical aberration only for the second light flux.

Abstract: An optical pickup apparatus according to the present invention includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light flux; and an objective optical element. The objective optical element has an optical surface including at least two areas provided with optical path difference providing structures. The objective optical element converges the first to third light fluxes each passing through the predetermined areas on the objective optical element onto respective information recording surfaces of the first to third optical disks. The optical pickup apparatus provides a wavelength dependency of a spherical aberration so as to correct a change in a spherical aberration due to a refractive index change with a temperature change of the objective optical element.

Abstract: A honeycomb catalyst body includes a honeycomb structure and a catalyst. The honeycomb structure includes a porous honeycomb fired body having at least one cell wall defining a plurality of cells extending along a longitudinal direction of the porous honeycomb fired body. The plurality of cells is provided in parallel with one another. The honeycomb fired body contains silicon carbide particles and a silica layer formed on a surface of each of the silicon carbide particles. The silica layer has a thickness of from about 5 nm to about 100 nm measured by X-ray photoelectron spectroscopy. The catalyst contains at least one of oxide ceramics and zeolite. The catalyst is provided on a surface of the silica layer. An amount of at least one of the oxide ceramics and the zeolite is about 50 g/L or more.

Abstract: A honeycomb structure includes a porous silicon carbide honeycomb fired body and a silicon-containing oxide layer. The porous silicon carbide honeycomb fired body has at least one cell wall defining a plurality of cells extending along a longitudinal direction of the silicon carbide honeycomb fired body. The plurality of cells is provided in parallel with one another. The silicon carbide honeycomb fired body contains silicon carbide particles. The silicon-containing oxide layer is provided on a surface of each of the silicon carbide particles. The silicon-containing oxide layer has a thickness of from about 5 nm to about 100 nm measured with an X-ray photoelectron spectroscopy.

Abstract: Provided is an objective lens for an optical pickup apparatus. The objective lens collects diffracted light generated by an optical path difference giving structure onto the information recording surface of an optical information recording medium as a spot and suppresses fluctuation of diffraction efficiency due to a change of using wavelength. The optical pickup apparatus using such objective lens is also provided. The total diffraction efficiency can be improved by adjusting a wavelength at which the diffraction efficiencies of a plurality of basic structures forming the optical path difference giving structure in the objective lens are maximum, in accordance with a basic structure.

Abstract: An optical pickup apparatus according to the present invention includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light flux; and an objective optical element. The objective optical element has an optical surface including at least two areas provided with optical path difference providing structures. The objective optical element converges the first to third light fluxes each passing through the predetermined areas on the objective optical element onto respective information recording surfaces of the first to third optical disks. The optical pickup apparatus provides a wavelength dependency of a spherical aberration so as to correct a change in a spherical aberration due to a refractive index change with a temperature change of the objective optical element.

Abstract: An optical system has an optical functional surface including a common region used for conducting information recording and/or reproducing for both of a first optical information recording medium and a second optical information recording medium. The common region comprises a refractive surface of an imaginary basic aspherical surface and a optical path difference providing structure in which plural ring-shapes zones are separated around the center of an optical axis and neighboring ring-shaped zones are displaced to each other in a direction of an optical axis so as to cause an optical path difference obtained by multiplying a predetermined wavelength ?s (?1<?s<?2) with almost an integer. The refractive surface of the imaginary basic aspherical surface is structured such that a spherical aberration becomes under on the first information recording medium and a spherical aberration becomes over on the second information recording medium.

Abstract: An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a second wavelength, the first wavelength being different from the second wavelength; a converging optical system having an optical axis and a diffractive portion, and a photo detector; wherein in case that the first light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the first light flux is greater than that of any other ordered diffracted ray of the first light flux, and in case that the second light flux passes through the diffractive portion to generate at least one diffracted ray, an amount of n-th ordered diffracted ray of the second light flux is greater than that of any other ordered diffracted