Abstract: A vibrator element includes: a base portion; and a vibrating arm extending from the base portion, the vibrating arm including a piezoelectric film that contains Cu at a crystal grain boundary.

Abstract: According to an embodiment, a semiconductor package includes a semiconductor chip mounted on an interposer board, a encapsulant sealing the semiconductor chip, and a conductive shielding layer covering the encapsulant and at least part of a side surface of the interposer board. The interposer board has plural vias through an insulating substrate. A part of the plural vias has a cutting plane exposing to the side surface of the interposer board and cut in a thickness direction of the interposer board. The cutting plane of the via is electrically connected to the conductive shielding layer.

Abstract: An R-T-B-based rare earth sintered magnet, comprising a rare earth element R, B, a metallic element M which includes one or more metals selected from Al, Ga and Cu, a transition metal T which includes Fe as a main component, and inevitable impurities, wherein the sintered magnet includes 13 atom % to 15.5 atom % of R, 5.0 atom % to 6.0 atom % of B, 0.1 atom % to 2.4 atom % of M, and T and the inevitable impurities as a balance, and wherein the sintered magnet includes 0.015 atom % to 0.10 atom % of Zr as the transition metal T.

Abstract: According to an embodiment, a semiconductor package includes a semiconductor chip mounted on an interposer board, a encapsulant sealing the semiconductor chip, and a conductive shielding layer covering the encapsulant and at least part of a side surface of the interposer board. The interposer board has plural vias through an insulating substrate. A part of the plural vias has a cutting plane exposing to the side surface of the interposer board and cut in a thickness direction of the interposer board. The cutting plane of the via is electrically connected to the conductive shielding layer.

Abstract: An audio signal processing device 100 includes a period detecting unit 102 for detecting the fundamental period of an input audio signal 101; a square wave generating unit 106 for generating, according to the fundamental period the period detecting unit 102 detects, a square wave 107 whose period is an integer multiple of the fundamental period; an amplitude correction coefficient generating unit 103 for calculating an amplitude correction coefficient 109 approximately equal and proportional to the intensity of the input audio signal 101; a first multiplier 108 for generating an amplitude-corrected square wave 110 by multiplying the square wave 107 by the amplitude correction coefficient 109; and an adder 104 for adding the amplitude-corrected square wave 110 to the input audio signal 101.

Abstract: There is provided a light-emitting device including a wireless communication unit that performs wireless communication with another device, a light-emitting unit that emits light, and a control unit that performs control by switching between a mode in which the light emission of the light-emitting unit is controlled in accordance with a timing at which a signal is received by the wireless communication unit and a mode in which the light emission of the light-emitting unit is controlled in accordance with an internal timer based on a light emission timing included in a signal received from the other device by the wireless communication unit.

Abstract: Provided is a method of manufacturing an alloy for an R-T-B-based rare earth sintered magnet, with which an R-T-B-based magnet having high coercive force can be obtained even when the B concentration is low and the Dy concentration is zero or extremely low. This method includes: a casting step of manufacturing a cast alloy by casting a molten alloy, a hydrogenating step of absorbing hydrogen in the cast alloy; and a dehydrogenating step of removing hydrogen from the cast alloy absorbing hydrogen in an inert gas atmosphere at a temperature lower than 550° C., wherein the molten alloy consists of B, a rare earth element R, a transition metal T essentially containing Fe, a metal element M, and unavoidable impurities, in which the R content is 13 at % to 15.5 at %, the B content is 5.0 at % to 6.0 at %, the M content is 0.1 at % to 2.4 at %, the T content is a balance, a ratio of a Dy content to the total content of the rare earth element is 0 at % to 65 at %, and the molten alloy satisfies the below formula (1).

Abstract: Capacity of space in a drawing furnace is decreased so as to reduce variations in pressure in the furnace and also the side of an insertion port of a glass perform is stably sealed. When drawing is started, an outer peripheral surface of the optical fiber glass preform 11 is sealed with a first seal part 17 of the seal mechanism. After a vicinity of a taper part of the optical fiber glass preform 11 starts to pass through the first seal part 17, switching to a second seal part 18 arranged above the first seal part 17 is performed, and an outer peripheral surface of a sleeve member 20 fixed so as to surround an outer periphery of the dummy rod 12 is sealed with the second seal part 18.

Abstract: A tuning fork type vibrator element, as a vibrator element, includes a base formed on a plane including a first axis and a second axis orthogonal to the first axis, a connection portion extending in a first axis direction from the base, with a thickness thereof being smaller than that of the base and a vibrating arm extending in the first axis direction from one end portion of the connection portion, with a thickness thereof being the same as that of the connection portion, in which the vibrating arm performs flexural vibration along a vertical direction with respect to the plane, and in which the connection portion is provided such that a relationship between a length L2 in the first axis direction of the connection portion and a length L1 in the first axis direction of the vibrating arm falls within a range of L1/15?L2?L1.

Abstract: There is provided a light-emitting device including a wireless communication unit that performs wireless communication with another device, a light-emitting unit that emits light, and a control unit that performs control by switching between a mode in which the light emission of the light-emitting unit is controlled in accordance with a timing at which a signal is received by the wireless communication unit and a mode in which the light emission of the light-emitting unit is controlled in accordance with an internal timer based on a light emission timing included in a signal received from the other device by the wireless communication unit.

Abstract: A vibrator (electronic device) includes: a vibrator element including vibrating arms; a base portion supporting the vibrator element and having a rectangular shape in a plan view; and a lid provided on the side of the vibrator element opposite to the base portion 3. Extending directions of long and short sides of the base portion and an extending direction of the vibrating arms cross each other. When an angle formed by the vibrating arms and a Y-axis direction is ?, the angle ? is more than 0° and less than 90°.

Abstract: A seal structure of an optical fiber drawing furnace for sealing a gap between an upper end opening of the optical fiber drawing furnace and an optical fiber glass preform inserted from the upper end opening, includes a plurality of blade members, a support mechanism for supporting the plurality of blade members, and a pressing operation mechanism for individually pressing the plurality of blade members in a radial direction of the optical fiber glass preform so as to bring distal ends of the plurality of blade members into contact with a side surface of the optical fiber glass preform, wherein a pressing force at the time of bringing the plurality of blade members into contact with the optical fiber glass preform is set at 0.1 to 10 N per blade member.

Abstract: A piezoelectric film producing process includes depositing a piezoelectric body in a mixed atmosphere of N2 gas and Ar gas by using a sputtering method, using an Al—Cu alloy as deposition material.

Abstract: The present invention provides a glass preform heating furnace in which the occurrence of arching is suppressed. The glass preform heating furnace is equipped with a susceptor (3); a slit heater (4); an insulator; and a furnace body, wherein, in the case that the space between the slit heater (4) and the susceptor or between the slit heater (4) and the conductive member closest to the slit heater is D, that the maximum value of the electric field in this space is E1, that the number of the slits in the slit heater is N, that the slit width of the slit heater is S, and that the maximum value of the electric field in the slit space is E2, the values of D, N and S are set so that E1?E2 is established.

Abstract: A scanning transmission electron microscope system includes: an annular dark-field detector; an electron energy loss spectroscopic apparatus configured to acquire an electron energy loss spectroscopy spectrum of a first electron beam from the annular dark-field detector; and an image processing apparatus configured to generate a first STEM image based on an output signal from the annular dark-field detector and generate a second STEM image based on an integrated value of the electron energy loss spectroscopy spectrum.

Abstract: A method of manufacturing a fluorine-containing aromatic compound represented by the following formula (2-1) or formula (2-2): R1 is a linear perfluoroalkyl group having a carbon number of 1 to 3; X2 to X5 are a halogen atom or a hydrogen atom; R2 to R5, L1 and L2 are a monovalent hydrocarbon group having a carbon number of 1 to 12, a monovalent aromatic hydrocarbon group, a monovalent hetero aromatic group, a halogen atom, or a hydrogen atom; one or more groups selected from R2 to R5 are a monovalent hydrocarbon group having a carbon number of 1 to 12, a monovalent aromatic hydrocarbon group, or a monovalent heteroaromatic group; and m is an integer of 0 or more, n is an integer of 1 or more, and m+n is an integer of 2 or more and 6 or less.

Abstract: A resonator element includes: a base portion; a vibrating arm including an arm portion, extending from the base portion, and a wide portion which is connected to a distal end of the arm portion and has a width larger than that of the arm portion; a first driving electrode provided in the vibrating arm; and a weight layer which is provided in the wide portion and has a thickness larger than that of the first driving electrode. The weight layer includes a first weight portion, and a second weight portion which is disposed on the base portion side with respect to the first weight portion and has a fixed-width portion having a width smaller than that of the first weight portion.

Abstract: Provided is a wind power generation apparatus to which general purpose inverters are applicable. An inverter in a constant-voltage mode is used. While a wind power generator is generating electricity, switching circuits are turned on and off at a controlled duty cycles to intermittently short-circuit an armature winding, boosting the voltage and controlling the rotational speed of a windmill rotating blade, with the result that the voltage applied to the inverter is made constant. At the activation, in order to prevent an excessive voltage from being generated while an inverter is changing from the stand-by state to the activated state, ON/OFF control of a switching circuit is performed to switch between the output voltage of a rectifier and the voltage generated at a resistor, with the result that the voltage is controlled and maintained at an appropriate value.

Abstract: The invention provides a production method for a glass particulate deposit M which includes a deposition step where a starting rod 111 and a burner 222 for production of glass particles 130 are installed in a reactor 102, a glass source material is introduced into the burner 222, the glass source material is subjected to flame thermal decomposition in the flame formed by the burner 222 to thereby form glass particles 130, and the formed glass particles 130 are deposited on the starting rod 111 to produce a glass particulate deposit M. In the deposition step of the production method, at least two ejecting ports 231 are provided per one burner 222 for ejecting the glass source material from the burner 222, and a flow rate of the glass source material jetting out through one glass source material ejecting port 231 is from 4 m/s to 60 m/s.

Abstract: A semiconductor device of embodiment includes: a wiring substrate having a first surface, a second surface and a side surface; a semiconductor element mounted on the first surface; a sealing resin layer sealing the semiconductor element and the first surface; a conductive shield layer covering the sealing resin layer and the side surface; and plural vias. At least one via is electrically connected to the conductive shield layer, and the plural vias are each arranged along peripheral part of the wiring substrate. When plural predetermined vias arranged at one side part of the peripheral part of the wiring substrate are seen through thickness direction of the wiring substrate, width of area totally occupied by the plural predetermined vias in direction perpendicular to the side part is larger than width an area occupied by each of the predetermined vias as a single via in direction along the side part.