摘要:
A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate includes: a plurality of detectors upon which a γ-ray is incident; and an analog ASIC and digital ASIC for processing a γ-ray detection signal outputted by each of the detectors. The analog ASIC includes two slow systems having mutually different time constants, each of which outputs a pulseheight value. A noise determination part of the digital ASIC determines whether a relevant detection signal is an intended γ-ray detection signal or a noise based on a correlation between the pulseheight values, and a noise counting part counts the number of times of noise determination, and a detector output signal processing control part controls the signal processing with respect to an output signal from a relevant detector based on the count.
摘要:
A PET apparatus comprises a plurality of detector units in the circumferential direction, wherein the detector unit includes a plurality of unit substrates therein, and wherein the unit substrate includes: a plurality of detectors upon which a γ-ray is incident; and an analog ASIC and digital ASIC for processing a γ-ray detection signal outputted by each of the detectors. The analog ASIC includes two slow systems having mutually different time constants, each of which outputs a pulseheight value. A noise determination part of the digital ASIC determines whether a relevant detection signal is an intended γ-ray detection signal or a noise based on a correlation between the pulseheight values, and a noise counting part counts the number of times of noise determination, and a detector output signal processing control part controls the signal processing with respect to an output signal from a relevant detector based on the count.
摘要:
A radiation detector includes a semiconductor element capable of detecting a radiation, a substrate on which the semiconductor element is mounted, and a flexible substrate including a connection pattern connected to an element electrode on an opposite side to the substrate of the semiconductor element. The semiconductor element is disposed on one surface of the substrate, and the flexible substrate is disposed on the opposite side to the substrate of the semiconductor element.
摘要:
An antenna module and a portable communication terminal equipped with the antenna module are provided. The antenna module has a space-saving design, and also has both a capability for long communication distance for a tag function and a capability for wide communication range for a reader/writer function.A first antenna coil (11) for communication with a reader/writer and a second antenna coil (12) for communication with an IC tag are disposed on a base substrate (10). The first antenna coil (11) is disposed in an outermost periphery section of the base substrate (10) so that a communication distance is attained. The second antenna coil (12) is disposed within an inner periphery of the first antenna coil (11) so as to achieve overall size reduction of the module.
摘要:
A conductor of an electric cable for wiring, containing a copper alloy material containing 1.0 to 4.5 mass % of Ni, 0.2 to 1.1 mass % of Si, and the balance of Cu and unavoidable impurities, in which the copper alloy material has an average grain diameter of 0.2 to 5.0 μm.
摘要:
When a mover during moving is displaced in a direction (X2 direction) perpendicular to a moving direction, between a deformation pattern portion formed in stator-side electrodes of a stator and a deformation pattern portion formed in mover-side electrodes of the mover, a restoring force trying to return the mover toward a direction (X1 direction) opposite to the X2 direction acts on the mover. This makes it possible to prevent the mover from displacement, and consequently to provide an electrostatic actuator improved in the linear movability toward the moving direction.
摘要:
A problem of the invention is to provide a process of producing high purity terephthalic acid by selectively recovering p-toluic acid in wastewater which has hitherto been discarded and using it as a raw material of terephthalic acid.The invention is concerned with a process of producing high purity terephthalic acid, which is characterized in that a p-toluic acid recovery step of recovering p-toluic acid from a primary mother liquor and feeding it into an oxidation reaction step includes the following respective steps of: (I) an adsorption step of feeding, as a liquid to be treated, the primary mother liquor or a secondary mother liquor obtained by subjecting the primary mother liquor as cooled to solid-liquid separation into an adsorption tower filled with an adsorbing agent in which the breakthrough time of p-toluic acid is longer than the breakthrough time of benzoic acid to adsorb p-toluic acid and benzoic acid in the liquid to be treated to the adsorbing agent, (II) a feed stopping step of stopping the feed of the liquid to be treated into the adsorption tower at an arbitrary point of time of exceeding the breakthrough time of benzoic acid, (III) a desorption step of feeding a desorbing agent into the adsorption tower to desorb adsorbed p-toluic acid, and (IV) a circulation step of feeding p-toluic acid contained in the desorbing agent flown out from the adsorption tower into the oxidation reaction step.
摘要:
A conductor of an electric cable for wiring, containing a copper alloy material containing 1.0 to 4.5 mass % of Ni, 0.2 to 1.1 mass % of Si, and the balance of Cu and unavoidable impurities, in which the copper alloy material has an average grain diameter of 0.2 to 5.0 μm.
摘要:
An apparatus including a substrate and a card element to be installed on the substrate includes a first plane which inclines at a predetermined angle with respect to the substrate; a second plane which is provided on the card element, inclines at the angle with respect to the substrate, and slides on the first plane in a direction corresponding to the angle; a first terminal which is provided on the substrate, and inclines at the angle with respect to the substrate; and a second terminal which is provided on the card element, inclines at the angle with respect to the substrate, and connects with the first terminal.
摘要:
To provide a digital correlated double sampling circuit having a plurality of functions such as flaw compensation, shading compensation and the like specific to CCD, said functions being added to a correlated double sampling circuit.A solid-state image-pickup device signal processing apparatus comprising a solid-state image-pickup device, an amplifier for amplifying an output signal of said solid-state image-pickup device, an D/A conversion circuit for converting an-analog output signal of said amplifier to a digital signal and a digital correlated double sampling circuit for removing noises by performing a subtraction process between a field-through portion and its directly subsequent video signal portion of a digital output signal of said D/A conversion circuit, wherein said digital correlated double sampling circuit has an optional-value direct current signal added to said video signal portion and variably controls said optional-value direct current signal for each frame or each of said video signal portions.