Abstract: A sensor includes an avalanche photodiode (APD), a first resistor, a second resistor, and a rectification element. The first resistor is connected between a current output terminal of the APD and a first output terminal. The second resistor and the rectification element are connected in series between the current output terminal and a second output terminal. The rectification element is connected between the second resistor and the second output terminal.

Abstract: According to one embodiment, a sensor includes a first avalanche photodiode, a first quenching element, a second avalanche photodiode, and a second quenching element. The first quenching element is connected to a current output terminal of the first avalanche photodiode at one end and is connected to an output terminal at another end. The second avalanche photodiode is arranged adjacent to the first avalanche photodiode. The second quenching element is connected to a current output terminal of the second avalanche photodiode at one end and is connected to a specific electric potential at another end.

Abstract: According to an embodiment, a distance measuring device is a signal processing device that performs processing on time-series luminance signals of each of frames acquired on the basis of reflected lights of laser lights irradiated in order in a plurality of predetermined directions for each of the frames. The distance measuring device includes a storage circuit and a selection circuit. The storage circuit stores information concerning a distance value obtained on the basis of a time-series luminance signal of a preceding frame. The selection circuit selects a peak based on the distance value as a candidate of the distance value out of peaks in the time-series luminance signal in a present frame.

Abstract: In one embodiment, a method of manufacturing a semiconductor device includes forming a stacked film on a substrate. The method further includes forming, on the stacked film, a mask layer formed of a tungsten compound and including impurity atoms having a concentration of 1.0×1020 atoms/cm3 or more. The method further includes etching the stacked film using the mask layer as an etching mask.

Abstract: According to one embodiment, a light detector includes: a first set of light detection elements and a second set of light detection elements each being disposed in a first region on a substrate; and a first selection and integration circuit and a second selection and integration circuit each being disposed in a second region outside of the first region on the substrate. The first selection and integration circuit is configured to select a first subset of light detection elements in the first set, and integrate outputs from the light detection elements in the first subset. The second selection and integration circuit is configured to select a second subset of light detection elements in the second set, and integrate outputs from the light detection elements in the second subset.

Abstract: According to an embodiment, a distance measuring device includes emission circuitry, an optical mechanism system, and measurement circuitry. The emission circuitry emits pulse light having a predetermined pulse width. The optical mechanism system emits the pulse light emitted by the emission circuitry to an object to be measured and receives scattered light of the pulse light scattered by the object to be measured. The measurement circuitry measures, via the optical mechanism system, a distance to the object to be measured using a detection signal having magnitude corresponding to light intensity received within a time range corresponding to the pulse width.

Abstract: A laminate structure includes a substrate; a first layer provided on a first surface of the substrate; and a second layer provided on a second surface of the substrate. The first layer includes a first end portion and a second end portion along a width direction of the substrate, the second layer includes a third end portion and a fourth end portion along the width direction of the substrate, the first end portion is opposite to the third end portion, the second end portion is opposite to the fourth end portion. An end surface of the third end portion includes an inclined surface or a stair shape or a combined shape of the inclined surface and the stair shape.

Abstract: According to an embodiment, a distance measuring device measures a distance to the measured object base on light scattered on the measured object is detected. The distance measuring device includes an optical detector and a measurer. The optical detector detects the scattered light. The measurer has a sampler to sample a signal corresponding to an output signal of the optical detector every time when the light is emitted at a plurality of sampling time points and a storage to accumulate sampling values and store an accumulation value at each sampling time point. The measurer measures the distance based on a plurality of accumulation values at the sampling time points.

Abstract: In an embodiment, in a sliding component, a sliding face of a stationary-side seal ring 6 has a fluid circulation groove 10 communicating with a high-pressure fluid side via an entrance portion 10a and an exit portion 10b. A rotating-side seal ring 5 has a larger outer diameter and a smaller inner diameter than the seal ring 6. A groove 15 into which a claw is loosely fitted is provided on an outer periphery of the seal ring 5. A width of the groove 15 is smaller than a distance between the portion 10a and the 10b in the circumferential direction. WMR/WSR is set within a range of 0.75<WMR/WSR<1.4 (WMR is a face width between an inner diameter of the groove 15 and an inner diameter 6b of the sliding face; WSR is a face width of the sliding face).

Abstract: A coating of an outer plate contains a perylene-based pigment, and satisfies (ROH(P)/ROH(OA))?74, where ROH(P) is the highlight reflectance of the coating of the outer plate at a peak wavelength at which reflectance reaches the maximum value in a spectral reflectance curve, and ROH(OA) is the average highlight reflectance of the coating of the outer plate in a complementary wavelength range. A coating of an inner plate part contains a perylene-based pigment and an iron oxide-based pigment, the content of the perylene-based pigment in the coating of the inner plate part is in units of PWC, and the mass ratio of the content of the iron oxide-based pigment to the content of the perylene-based pigment in the coating of the inner plate part is 3-20%.

Abstract: According to an embodiment, a distance measuring device measures a distance to the measured object base on light scattered on the measured object is detected. The distance measuring device includes an optical detector and a measurer. The optical detector detects the scattered light. The measurer has a sampler to sample a signal corresponding to an output signal of the optical detector every time when the light is emitted at a plurality of sampling time points and a storage to accumulate sampling values and store an accumulation value at each sampling time point. The measurer measures the distance based on a plurality of accumulation values at the sampling time points.

Abstract: A distance measuring device according to an embodiment includes a time acquisition circuit and a distance measurement circuit. The time acquisition circuit acquires a rising time in which a measurement signal obtained by converting reflected light of a laser beam from an object into a signal reaches a first threshold and a falling time in which the measurement signal reaches a second threshold after reaching the first threshold. The distance measurement circuit measures the distance to a target object on the basis of a time difference between timing based on the rising time and the falling time and irradiation timing of the laser beam.

Abstract: A distance measuring device according to an embodiment includes a weight value generator, a cumulative signal generator, and a distance measurer. The weight value generator generates, on the basis of similarity between a first digital signal obtained by digitizing reflected light of laser light irradiated in a first irradiation direction and a second digital signal obtained by digitizing reflected light of laser light irradiated in a second irradiation direction different from the first irradiation direction, a weight value of the second digital signal. The cumulative signal generator accumulates, on the first digital signal, a signal obtained by weighting the second digital signal with the weight value and generates a third digital signal. The distance measurer measures a distance to a target object on the basis of a time difference between irradiation timing of the laser light and timing of a peak position in the third digital signal.

Abstract: A distance measurement processing device according to an embodiment includes an information acquisition circuit and a reliability-degree generation circuit. The information acquisition circuit acquires a two-dimensional distance image having a measured distance as a pixel value and signal information concerning a signal value corresponding to the measured distance image. The reliability-degree generation circuit sets, for each of the pixels of the two-dimensional distance image, each of the pixels as a center pixel and generates a reliability degree based on information concerning the pixels having distance values equal to or smaller than a predetermined value from a distance value of the center pixel among the pixels contiguous within a predetermined range from the center pixel and a signal value corresponding to the center pixel.

Abstract: In an embodiment, a slide component includes one slide part 5 provided, on a low-pressure side of a sealing face thereof, with a negative pressure generation mechanism 10 including a negative pressure generation groove 10. The negative pressure generation groove 10a communicates with a high-pressure fluid side and is separated from a low-pressure fluid side by a land portion R. Another slide part 1 is provided, in a sealing face thereof, with at least one interference groove 15 communicating with the high-pressure fluid side for producing pressure variations in a fluid in the negative pressure generation groove 10a. The at least one interference groove 15 has an end 15a on an inside-diameter side extending to a position to radially overlap the negative pressure generation groove 10a.

Abstract: In an embodiments, a slide component includes a pair of slide parts that relatively slide on each other, one of the slide parts being provided in a sealing face with fluid circulation grooves 10 that communicate with a high-pressure fluid side via inlet portions and outlet portions and are separated from a low-pressure fluid side by land portions, the other of the slide parts being circumferentially provided in a sealing face with a plurality of interference grooves 15, 16, 17, 20 for producing pressure variations in a fluid in the fluid circulation grooves 10, adjacent ones of the interference grooves 15, 16, 17, 20 being set to have different shapes.

Abstract: Circuits and methods for testing wafers are disclosed herein. An embodiment of a method includes electrically contacting a first probe and a second probe to a wafer. A gas is blown in the areas proximate the first probe and the second probe. An electric potential is then applied between the first probe and the second probe while the gas is being blown.

Abstract: Provided is a slide component that can prevent deposit formation on a sealing face as well as promoting circulation of a fluid on sealing faces while fulfilling both conflicting conditions of sealing and lubrication, to maintain the sealing function of the sealing faces for a long period of time. The slide component includes a pair of slide parts that relatively slide on each other, one of the slide parts being provided in a sealing face with fluid circulation grooves 10 that communicate with a high-pressure fluid side via an inlet portion and an outlet portion and are separated from a low-pressure fluid side by a land portion, the other of the slide parts being provided in a sealing face with interference grooves 15 that communicate with the high-pressure fluid side and produce pressure variations in a fluid in the fluid circulation grooves 10.

Abstract: A system includes a transmission apparatus that transmits data, and an output apparatus that outputs the received data. Output of the data is restricted if the output apparatus does not satisfy a predetermined security requirement. If a time period for outputting the data is specified, a confirmation is made with a recipient as to whether to permit removal of the restriction within the time period, and a response thereto is obtained. The output apparatus outputs the data if the response obtained from the recipient indicates removal of the restriction.

Abstract: A distance measuring device according to an embodiment includes a weight value generator, a cumulative signal generator, and a distance measurer. The weight value generator generates, on the basis of similarity between a first digital signal obtained by digitizing reflected light of laser light irradiated in a first irradiation direction and a second digital signal obtained by digitizing reflected light of laser light irradiated in a second irradiation direction different from the first irradiation direction, a weight value of the second digital signal. The cumulative signal generator accumulates, on the first digital signal, a signal obtained by weighting the second digital signal with the weight value and generates a third digital signal. The distance measurer measures a distance to a target object on the basis of a time difference between irradiation timing of the laser light and timing of a peak position in the third digital signal.