Abstract: An R-T-B based permanent magnet includes a rare-earth element R, a transition metal element T, and B. The R-T-B based permanent magnet includes at least Nd as R. The R-T-B based permanent magnet includes at least Fe as T. The R-T-B based permanent magnet contains a plurality of main phase grains and a plurality of voids. The plurality of main phase grains includes at least R, T, and B. An area ratio of the plurality of voids in an arbitrary cross-section of the R-T-B based permanent magnet is larger than 0.2% and 2% or smaller.

Abstract: A task is to provide a wire regulator that can prevent a wire and a guide rail from rusting and prevent an operation failure of the wire regulator. A first rain water guide part 170 that prevents rain water from entering an ascending wire end housing part 157, a descending wire end housing part 163 and a gutter part 161 is provided at a part above a lower end of the ascending wire end housing part 157 of a slider 103, and the first rain water guide part 170 includes first eaves 171, and second eaves 173 that overlap the first eaves 171 on a lower side of the first eaves 171 and in a drop direction R of the rain water.

Abstract: A hand for holding the substrate includes a hand main body and a plurality of seating members mounted on the hand main body and on which the substrate is to be seated. Each of the plurality of seating member includes a shaft member supported to the hand main body and a lever member that is supported to the shaft member and includes a first end portion including a seating portion on which the substrate is to be seated and a second end portion disposed on a side opposite to the first end portion across the shaft member. At least a part of the plurality of seating members further includes a biasing member for giving a force of rotating the lever member to the lever member such that the second end portion moves downward and a seating sensor configured to detect an upward movement of the second end portion.

Abstract: A control system is provided for a power conversion system having a power converter that controls a virtual synchronous generator simulating a synchronous generator and interconnected to a power grid. The control system has a virtual synchronous impedance compensation block inputting an output current detection value of the power converter and a set voltage amplitude command value, simulating a voltage drop due to a virtual synchronous impedance, and calculating an output voltage command value and an internal induced voltage according to the simulated voltage drop; a virtual synchronous generator model determining an angular frequency simulating the synchronous generator; and a PCS output voltage control unit performing control so that an output voltage of the power conversion system coincides with the output voltage command value calculated by the virtual synchronous impedance compensation block.

Abstract: A low height type actuator capable of performing a two-dimensional motion includes a magnet structure that includes a first array in which the first and second magnets are alternately arranged in x-direction and a second array in which the first and second magnets are alternately arranged in y-direction, and first and second wirings. The first wiring crosses the first magnets included in the first array in y-direction, and the second wiring crosses the first magnets included in the second array in x-direction. According to the present invention, by making current flow in the first and second wirings, a two-dimensional motion can be achieved. Further, since the first and second wirings are each a planar wiring that crosses the magnets, height reduction can be achieved.

Abstract: A voltage drop Vzs is calculated based on an output current detection value Iac and a virtual synchronous impedance Zs or a corrected virtual synchronous impedance Zs?, and a value obtained by subtracting the voltage drop Vzs from an internal induced voltage Ef is output as a grid voltage command value Vac*. Zs calculation unit 7 limits an output current phase ? so that the output current phase ? is within an effective range by a phase limiter 12a, and calculates the corrected virtual synchronous impedance Zs? based on a limited output current phase ?, the internal induced voltage Ef, a grid voltage detection value Vac and a current limit value Ilim. Accordingly, in grid interconnection power conversion device that controls a virtual synchronous generator, it is possible to continue operation while suppressing an overcurrent and possess a synchronizing power generated by action or working of a virtual synchronous impedance.

Abstract: A vehicular lighting tool of the present invention includes light source and light guide lens, the light guide lens has introduction section into which light is introduced, light distribution section that emits introduced light as illumination light, decoration section that emits introduced light as decoration light, and slit section that separates introduction section and decoration section, and introduction section has light incidence surface into which light from light source enters, lens cut that emits portion of light from light source and that causes portion of light to enter decoration section via slit section, first inclined surface located closer to light distribution section than lens cut, second inclined surface that connects first inclined surface and decoration section, and reflection cut surface provided on surface opposite to slit section and that reflects portion of light entering from light incidence surface so as to advance along second inclined surface.

Abstract: A polishing apparatus includes a polishing table which supports a polishing pad, a polishing head which polishes a substrate by pressing the substrate against a polishing surface of the polishing pad, a pad temperature measuring device which measures a temperature of the polishing surface, a pad temperature adjusting device which adjusts the temperature of the polishing surface, and a control device which controls the operation of the pad temperature adjusting device based on the temperature of the polishing surface measured by the pad temperature measuring device. The pad temperature adjusting device includes a pad heater which is disposed to be separated upward from the polishing surface, and the pad heater includes a longitudinal portion which extends in a substantially radial direction of the polishing pad and a slit-shaped injection port which is formed in a longitudinal direction of the longitudinal portion and injects a heating fluid toward the polishing surface.

Abstract: A power module according to the present invention switches an operation mode between a control mode where an ON/OFF operation of a switching element having a first electrode, a second electrode, and a third electrode is controlled, and a deterioration determination mode where the deterioration is determined based on information including ?Vgs based on information including a threshold voltage detected before a stress current is supplied to the switching element and a threshold voltage detected after the stress current is supplied to the switching element. According to the power module of the present invention, the deterioration can be determined during an operation time and hence, breaking of the device can be prevented, and operation efficiency of the power module can be increased, and a manufacturing cost of the power module can be lowered.

Abstract: The rare-earth-based magnet powder has an average value of 0.65 or more as sphericity P1 defined by an equation (1) of P1=Ls/Ll. In the equation (1), Ll is a length or a long side of a rectangle that circumscribes the rare-earth-based magnet powder in a photomicrograph so that an area of the rectangle is minimized, and Ls is a length of a short side of the rectangle that circumscribes the rare-earth-based magnet powder in the photomicrograph so that the area of the rectangle is minimized.

Abstract: An actuator includes a first magnet whose magnetic pole surface has an N pole and a second magnet whose magnetic pole surface has an S pole. When current flows from one end of a first wiring to the other end, the current circulates in one direction at least partially on the first magnet in a first area, while it circulates in a direction opposite to the one direction at least partially on the second magnet in the first area. When current flows from one end of a second wiring to the other end, the current circulates in the direction opposite to the one direction at least partially on another first magnet in the second area, while it circulates in the one direction at least partially on another second magnet in the second area.

Abstract: A semiconductor switch control circuit configured to perform an ON/OFF control of a semiconductor switch and includes: a pulse signal generating part configured to generate a pulse signal; a drive current generating part configured to generate a drive current based on the pulse signal which the pulse signal generating part generates and supplies the drive current to a gate electrode of the semiconductor switch; a gate voltage detecting part configured to detect a gate voltage VGS of the semiconductor switch; and a drive current control part configured to control the drive current which the drive current generating part generates based on the pulse signal which the pulse signal generating part generates and the gate voltage VGS which the gate voltage detecting part detects.

Abstract: A switching element control circuit includes: a third electrode voltage control part which controls a third electrode voltage; a first electrode current detection part which detects a first electrode current which flows through the switching element; a memory part which stores information including an initial threshold voltage and an initial first electrode current, and a drain current characteristic of a threshold voltage; and a threshold voltage calculation part which calculates a threshold voltage at a time of operating the switching element based on information including the first electrode current, the initial threshold voltage, and an initial first electrode current, and information relating to the first electrode current characteristic of the threshold voltage, wherein the third electrode voltage control part controls the third electrode voltage based on a threshold voltage at the time of operating the switching element calculated by the threshold voltage calculation part.

Abstract: Since the cross-sectional area of the plastic deforming portion of the extrusion die gradually decreases from the starting end portion toward the terminal end portion, the pressure applied to the molded body in hot deforming is not loosened, hence, the occurrence of cracks can be effectively suppressed.

Abstract: To provide an R-T-B based permanent magnet in which the residual magnet flux density and the coercivity are improved. Provided is an R-T-B based permanent magnet including a rare-earth element R, and transition metal elements T and B. The R-T-B based permanent magnet includes at least Nd as R, the R-T-B based permanent magnet includes at least Fe among Fe and Co as T, the R-T-B based permanent magnet includes a plurality of main phase grains containing a crystal of R2T14B, and a two-grain boundary located between two main phase grains adjacent in an axis-of-easy-magnetization direction, the thickness of the two-grain boundary is 3 nm or less, and the two-grain boundary is crystalline, and is non-oriented.

Abstract: An R-T-B based permanent magnet includes a rare earth element R, a transition metal element T, and B. The permanent magnet includes at least Nd as R. The permanent magnet includes at least Fe as T. The permanent magnet contains main phase grains and R-rich phases. The main phase grains include at least R, T, and B. The R-rich phases include at least R. The main phase grains observed in a cross section of the permanent magnet are flat. The cross section is parallel to an easy magnetization axis direction of the permanent magnet. Each of the R-rich phases is located between the main phase grains. An average value of intervals between the R-rich phases in the easy magnetization axis direction is from 5 ?m to a width of the permanent magnet in the easy magnetization axis direction.

Abstract: A permanent magnet includes a rare earth element R; a transition metal element T; and B. The permanent magnet includes Nd as R. The permanent magnet includes Fe as T. The permanent magnet contains main phase grains and R-rich phases. The main phase grains include R, T, and B. The R-rich phases include R. The main phase grains observed in a cross section of the permanent magnet are flat. The cross section is parallel to an easy magnetization axis direction of the permanent magnet. Each of the R-rich phases is located between the main phase grains. An average value of intervals between the R-rich phases in a direction substantially perpendicular to the easy magnetization axis direction is from 30 ?m to 1,000 ?m. An average value of lengths of short axes of the main phase grains observed in the cross section is from 20 nm to 200 nm.

Abstract: A communication processing device including: a memory that stores data relating to a pre-update firmware, and second data relating to a post-update firmware, and that stores first reference destination address indicating the storage area of reference destination included in the first data in association with the reference destination; a rewriting unit configured to rewrite at least some of the first reference destination address stored in the memory with second reference destination address indicating the storage area of the reference destination in the second data; and a control unit configured to, when referring to the reference destination in the first data, refer to the second data on the basis of the second reference destination address stored in the memory.

Abstract: A power conversion device according to the present invention is provided with two or more sets of power modules each of which includes a switching element and a switching element control circuit having a third electrode voltage control part and a temperature detection part. The power modules PM1, PM2 are connected in parallel to each other. The switching element control circuit includes a temperature comparison part which calculates an average operation temperature of the switching element, and compares an operation temperature of the corresponding switching element and the average operation temperature. The third electrode voltage control part controls a third electrode voltage based on information including an average operation temperature, an operation temperature of the switching element, and a threshold voltage during operation.

Abstract: A semiconductor component 150 has a semiconductor layer 1 including a winding wire part 10 and a winding return wire part 50 connected at a terminal end part of the winding wire part 10 and returning from the terminal end part toward a starting end part side, wherein the semiconductor component is disposed so as to surround an object to be measured.