Abstract: A film forming method includes preparing a substrate having an amorphous silicon film on a surface thereof, diffusing nickel into the amorphous silicon film by supplying a nickel source gas to the amorphous silicon film, and forming a polycrystalline silicon film by heating the amorphous silicon film, and crystallizing the amorphous silicon film by metal-induced lateral crystallization using the nickel diffused in the amorphous silicon film as a nucleus.

Abstract: The coil component includes a coil, a first core having a first magnetic permeability, and a second core having a second magnetic permeability lower than the first magnetic permeability. The first core and the second core form a magnetic path. The coil forms two or more winding windows. The first core contacts with an entirety of one side line extending in a second direction of each of the winding windows, and protrudes from both ends of one side line of at least one of the winding windows. The second core contacts with three side lines other than the one side line of each of the winding windows. A surface resistance of the first core between two points that are 20 mm away from each other is not less than 5 ? after a high-temperature storage test. A drive frequency of the coil component is not less than 20 kHz.

Abstract: An electrolytic capacitor with improved connectivity between a cathode body including a carbon layer and a lead terminal, and a production method thereof are provided. The electrolytic capacitor 1 includes an anode body 2 having a dielectric oxide film 5 on a surface thereof, a cathode body 3 having a cathode foil 31 and a carbon layer 32 formed on the cathode foil 31, electrolytic solution 6 interposed between the anode body 2 and the cathode body 3, and a lead terminal 7 connected to each of the anode body 2 and the cathode body 3 by cold pressure welding. A maximum static friction coefficient of a surface of the carbon layer of the cathode body is 0.6 or more.

Abstract: With the aim of improving the reliability of a power conversion device for driving a motor, this power conversion device is provided with a rectifying portion for rectifying an AC voltage and outputting a DC voltage, a smoothing capacitor for smoothing the DC voltage, an inverter portion into which the DC voltage is input and which outputs AC power, an inverter drive portion for outputting a gate signal to the inverter portion, a regenerative braking portion connected in parallel with the smoothing capacitor, a regenerative braking drive portion for outputting a gate signal to the regenerative braking portion, a control portion for outputting drive signals to the inverter drive portion and the regenerative braking drive portion, a regenerative braking overcurrent detecting portion for outputting an overcurrent detection signal if the current flowing through the regenerative braking portion exceeds a determination value, and a latch portion into which the overcurrent detection signal output from the regenerati

Abstract: Provided are a power conversion device and a remote monitoring system capable of calculating the life of a power semiconductor device with high accuracy. In order to achieve the above purpose, a power conversion device, which controls the flow or interruption of a current with an inverter having a power semiconductor device and performs desired power conversion, comprises: a motor control unit which calculates a gate signal on the basis of a current value, a speed command, and a carrier frequency detected by a current sensor and controls the inverter; a temperature history calculator which estimates the loss of the power semiconductor device and calculates a temperature history; a temperature history storage device which stores the calculation result of the temperature history; and a damage calculator which calculates damage to the power semiconductor device from the temperature history read from the temperature history storage device.

Abstract: Provided is a power conversion device which comprises a main circuit board, a first board, and a second board and which has a reduced size. The main circuit board has a rectifier circuit and an inverter circuit which are disposed in a high-power section, the rectifier circuit rectifying AC voltage and The second board is provided with a The first board is connected to the main circuit board and to the second board, and is provided with: a first circuit disposed in a low-power section. The second board is provided with a second circuit disposed in a low-power section. section from each other in a reinforced manner; an insulating transformer disposed in the reinforced insulation region and constituting a constituent component of a power supply circuit for receiving the DC voltage and supplying power to the first circuit and to the second circuit; and an insulating element disposed in the reinforced insulation region and allowing a signal to be exchanged between the first circuit and the second circuit.

Abstract: This voltage imbalance assessment method is for a power conversion device comprising a forward converter for rectifying the voltage of a three-phase AC power supply, a smoothing capacitor for smoothing the rectified voltage, a detection unit for detecting the smoothed voltage, and a control unit. The control unit: uses the detected voltage to generate data indicating frequency components; compares, in the data indicating frequency components, the magnitude of the component that is four times the power supply frequency with the magnitude of the component that is six times the power supply frequency; and assesses the voltage imbalance of the three-phase AC power supply on the basis of the comparison.

Abstract: This voltage imbalance assessment method is for a power conversion device comprising a forward converter for rectifying the voltage of a three-phase AC power supply, a smoothing capacitor for smoothing the rectified voltage, a detection unit for detecting the smoothed voltage, and a control unit. The control unit: uses the detected voltage to generate data indicating frequency components; compares, in the data indicating frequency components, the magnitude of the component that is four times the power supply frequency with the magnitude of the component that is six times the power supply frequency; and assesses the voltage imbalance of the three-phase AC power supply on the basis of the comparison.

Abstract: There are provided an electronic device that enables a user to perform handwriting input in one-subject display of a content and to call, from an item, a one-subject display screen of the item to which handwriting is added, and a control method of the electronic device. Electronic device includes input keys, a touch panel, a display, a ROM storing a content database, a hard disk, and a CPU. Display is a sensor-incorporated display that can accept the handwriting input. CPU searches the item from content database, based on an instruction. CPU displays an item display screen based on the searched item on display. CPU displays, on display, handwritten expression corresponding to the handwriting input so as to superimpose the same on the item display screen. CPU stores the handwritten expression in hard disk as handwritten memo data.

Abstract: An evaporation apparatus that is capable of stably forming a good quality thin film and is highly suitable for mass production is provided. The evaporation apparatus include an evaporation source discharging an evaporation material by heating, a retention member retaining an evaporation object, and a heat shield member that is located between the evaporation source and the evaporation object retained by the retention member, has an opening for passing the evaporation material in a state of vapor phase from the evaporation source to the evaporation object, and shields the evaporation object from part of radiation heat of the evaporation source. The heat shield member is located closer to the evaporation source than to the retention member.

Abstract: There are provided an electronic device that enables a user to perform handwriting input in one-subject display of a content and to call, from an item, a one-subject display screen of the item to which handwriting is added, and a control method of the electronic device. Electronic device includes input keys, a touch panel, a display, a ROM storing a content database, a hard disk, and a CPU. Display is a sensor-incorporated display that can accept the handwriting input. CPU searches the item from content database, based on an instruction. CPU displays an item display screen based on the searched item on display. CPU displays, on display, handwritten expression corresponding to the handwriting input so as to superimpose the same on the item display screen. CPU stores the handwritten expression in hard disk as handwritten memo data.

Abstract: An evaporation apparatus that is capable of stably forming a good quality thin film and is highly suitable for mass production is provided. The evaporation apparatus include an evaporation source discharging an evaporation material by heating, a retention member retaining an evaporation object, and a heat shield member that is located between the evaporation source and the evaporation object retained by the retention member, has an opening for passing the evaporation material in a state of vapor phase from the evaporation source to the evaporation object, and shields the evaporation object from part of radiation heat of the evaporation source. The heat shield member is located closer to the evaporation source than to the retention member.