Abstract: In a semiconductor device, protective films are formed on facing side surfaces of a plurality of circuit patterns and a plating process or the like is not performed on parts aside from the side surfaces where the protective films are formed. This means that when semiconductor elements and contact elements are directly bonded via solder onto the plurality of circuit patterns, a drop-in wettability of the plurality of circuit patterns for the solder is avoided.

Abstract: The invention has an object to provide a display device that enables a user to obtain information from a projection image without losing information obtained from the surrounding environment. The display device is to be mounted on a head of the user for allowing the user to view a predetermined image, and includes a light quantity detector (17) to detect a quantity of external light; a laser (211R, 211G, 211B) to emit a laser light having a light quantity depending on a current value; a light attenuator (22) including filters to switch an attenuation ratio so as to attenuate the laser light; an optical scanner (15) to scan the laser light transmitted through the filter; an optical projection system (16) to project the scanned laser light to form an image; and a controller (27) to control brightness of the image by increasing or decreasing the current value and by switching the attenuation ratio of the filter, based on the light quantity of the external light detected by the light quantity detector.

Abstract: A lighting tool for a vehicle includes a first condensing optical system configured to condense a first beam at a first condensing magnification, a second condensing optical system configured to condense a second beam at a second condensing magnification, and a projection optical system configured to project the first beam and the second beam forward, wherein each of a condensing point of the first beam condensed by the first condensing optical system and a condensing point of the second beam condensed by the second condensing optical system are adjusted according to a rear-side focus of the projection optical system.

Abstract: In a power converter for a railroad vehicle, adjacent ones of a plurality of fins are spaced apart from each other from a base connected to a base portion to a distal end, and the plurality of fins further spread to both one side and the other side in an alignment direction from the base toward the distal end.

Abstract: A wafer-fixing tape, having: an temporary-adhesive layer provided on a substrate film, wherein the substrate film contains an ionomer resin comprising a terpolymer crosslinked by a metal ion, and wherein an arithmetic average roughness Ra of a surface of the substrate film opposite to the temporary-adhesive layer 5b is from 0.1 to 3.0 ?m; a processing method of a semiconductor wafer; and a semiconductor chip.

Abstract: To reduce information used for processes of complementing a missing detection pulse of a magnetic field detecting section, the apparatus carries out the processes of storing, as rotation direction information of a movable section 43, “rightward direction”, “leftward direction”, “unidentified” and “unidentified inversion”, and setting the rotation direction information to “unidentified” when recognizing a missing detection pulse, and subsequently, adjusting a rotation change amount of the movable section using a first adjustment value if the rotation direction information becomes the “unidentified” and adjusting the rotation change amount of the movable section using a second adjustment value if the rotation direction information is updated from the “unidentified” to the “rightward direction” or the “leftward direction”.

Abstract: A surface-treated copper foil of the present disclosure includes a copper foil substrate, at least one surface of which has a surface treatment coat including at least a roughening-treated surface on which roughening particles are formed. Observation of a cross-section of the surface-treated copper foil with a scanning electron microscope shows that on a surface of the surface treatment coat, a standard deviation of the particle height of the roughening particles is 0.16 ?m or more and 0.30 ?m or less, and an average value of the ratio of the particle height to the particle width (particle height/particle width) of the roughening particles is 2.30 or more and 4.00 or less.

Abstract: An inverter device includes a sheet member that hermetically covers an operating section through which a user operates an inverter body and an ultraviolet shielding member that covers the operating section and the sheet member and shields ultraviolet rays.

Abstract: A semiconductor device includes a first semiconductor layer of a first conductivity type provided on a front surface of a silicon carbide semiconductor substrate of the first conductivity type, a first semiconductor region of a second conductivity type, a second semiconductor region of the second conductivity type and connected to the first semiconductor region, a first electrode forming a Schottky-contact with the first semiconductor layer and the first semiconductor region, and a second electrode forming an ohmic contact with the second semiconductor region. The second electrode has a Ti—Al alloy layer on a surface in contact with the first electrode. The second electrode further has therein a nickel silicide layer containing titanium.

Abstract: In order to reduce electric field concentration in a semiconductor device including a main transistor section and a sense transistor section, the semiconductor device is provided, the semiconductor device including a semiconductor substrate of a first conductivity type, a main transistor section in an active region on the semiconductor substrate, and a sense transistor section outside the active region on the semiconductor substrate, wherein the active region is provided with a main well region of a second conductivity type, and wherein the sense transistor section has a sense gate trench section formed extending from the outside of the active region to the main well region on the front surface of the semiconductor substrate.

Abstract: A vehicle lamp tool providing a controller which calculates the luminance distribution of light distribution pattern, an optical device which generates light distribution pattern in an illuminatable area D and a first driving circuit which drives the optical device. The controller transmits a first light distribution correction signal for correcting the inclination of a current light distribution pattern to the first driving circuit if the inclination angle of a vehicle with respect to vertical direction indicated by a detection signal received from a vehicle height sensor is equal to or less than a threshold value. The first driving circuit transmits a first correction driving signal based on the first light distribution correction signal to the optical device. The optical device drives an LD and a light deflector to correct the current light distribution pattern.

Abstract: A drive device includes: a gate driving unit that has gate driving circuits each driving gates of switching elements connected to each other in series; a negative-side power source that supplies a negative potential to the gate driving unit, where the negative potential steps down a reference potential that is a potential on a low side of the switching element; a negative-side capacitor for supplying a negative potential to the gate driving unit, where the negative potential steps down a reference potential that is a potential on a high side of the switching element; a timing detecting circuit that detects charging timing at which the negative-side capacitor is to be charged based on a potential state of the gate driving circuit on a high side; and a charging circuit that charges the negative-side capacitor by using the negative-side power source at the charging timing.

Abstract: A step-down chopper circuit having a filter reactor includes: a capacitor series circuit having a first capacitor and a second capacitor; a first series circuit having a semiconductor switching element and a diode, which is connected in parallel with the first capacitor, and a second series circuit having a diode and a semiconductor switching element, which is connected in parallel with the second capacitor; a chopper reactor whose one end is connected to a connection point of the first series circuit; and an output capacitor connected between the other end of the chopper reactor and a connection point of the second series circuit, in which a bypass current path with respect to the capacitor, which is configured to bypass a short-circuit current, is formed when one of the first series circuit and the second series circuit becomes a short-circuit state.

Abstract: A method and apparatus for controlling a hybrid direct-current (DC) transmission system. The method comprises: adjusting the total number of inserted sub-modules of a modular multi-level converter and the polarity of an output level of the inserted sub-modules in real time, according to a DC voltage of a rectifier station at other end; or adjusting the total number of inserted sub-modules of a modular multi-level converter and the polarity of an output level of the inserted sub-modules in real time, according to the magnitude of a DC current or DC power; or adjusting the total number of inserted sub-modules of a modular multi-level converter and the polarity of an output level of the inserted sub-modules in real time, according to both the magnitude of the DC current and the DC voltage of the rectifier station at the other end. The method can effectively control the DC voltage and the direct current of a hybrid DC transmission system, avoiding the power transmitting breakdown.

Abstract: A control method of an inverter for outputting polyphase alternate-current electrical power is provided. In the control method, modified PWM pulses of respective phases for controlling semiconductor switching elements of the inverter are generated, based on an output of a counter common to the respective phases. Each of the modified PWM pulses is configured such that a total pulse width, in a period corresponding to one or more cycles of a carrier, is substantially equal to a total pulse width of an assumed PWM pulse which is obtained by comparing, with the carrier, a time average value of an output voltage of the corresponding phase in the period. Further, at least one of a generation timing and a generation frequency of at least one of the modified PWM pulses is changed from the assumed PWM pulse.

Abstract: A power conversion device includes a power semiconductor switching device and a drive circuit. The power semiconductor switching device is configured to supply constant power to a load by switching and to be turned on and off by a control signal from an external control circuit. The drive circuit is configured to detect an operating temperature of the power semiconductor switching device and drive the power semiconductor switching device according to a result of the detection. The drive circuit includes a temperature detecting unit configured to receive the control signal from the external control circuit and detect the operating temperature of the power semiconductor switching device at timings according to the control signal.

Abstract: An optical module includes a first optical function device that has an emission end and emits a light from the emission end; a second optical function device that has an entry end and an emission end, amplifies the light entering the entry end, and emits the amplified light from the emission end, wherein the light is emitted from the emission end of the first optical function device and enters the entry end; a first optical non-reciprocal device that is arranged between the emission end of the first optical function device and the entry end of the second optical function device, transmits a light in a first direction from the emission end of the first optical function device toward the entry end of the second optical function device, and blocks or attenuates a light in a second direction opposite to the first direction; and a second optical non-reciprocal device that is arranged on the emission end side of the second optical function device, transmits a light in a third direction outward from the emission end

Abstract: An insulated gate device drive apparatus for driving an insulated gate device by using a charging current outputted from a totem-pole output circuit constituted by a high-side output transistor and a low-side output transistor. The insulated gate device drive apparatus includes a charging current correction circuit configured to perform correction to increase the charging current that is decreased by an increased voltage drop of high-side wiring resistance between a power supply and the high-side output transistor.

Abstract: A beverage dispensing apparatus for preparing a beverage and dispensing the prepared beverage into a container. The beverage dispensing apparatus includes a beverage reading device configured to read information indicating the beverage, the information including a kind and a volume of the beverage, a display operation device configured to display thereon the information indicating the beverage, and a control device configured to perform control to cause the display operation device to display the information indicating the beverage, and to cause the beverage to be prepared and dispensed into the container.

Abstract: A liquid crystal module includes: a rectangular-frame-shaped mold frame that is provided with a backlight therein; a liquid crystal cell that is arranged on a front face of the mold frame and is illuminated from a rear side by the backlight; a backlight chassis that is made of metal and fixed on a rear face of the backlight via a reflecting sheet made of synthetic resin; a plurality of supports that are formed on the backlight chassis; and a circuit board that is fixed to the supports by screwing, wherein the support is formed in a top-cut conical shape by swelling the backlight chassis backward by being subjected to drawing.