Abstract: A semiconductor device includes a logic circuit, a memory, and a storage device. The storage device has a first special information storage region into which special information is written before a solder reflow process, a second special information storage region into which special information for updating is written after the solder reflow process, and a data storage region. The first special information storage region is constituted by a memory cell having a high reflow resistance and in which data is retained even after the solder reflow process. The second special information storage region and the data storage region are constituted by memory cells having a low reflow resistance and in which data may not be retained during the solder reflow process.

Abstract: There is provided a disc brake device in which a plurality of annular seals that are disposed coaxially with rotation members, in which the annular seals are sandwiched in an axial direction between a caliper and a housing, and in which a position restriction portion includes: at least one caliper-side restriction portion provided on the caliper, which is disposed non-coaxially with the rotation member and is configured to serve as a reference of a position of the rotation member; and at least one housing-side restriction portion provided on the housing, which is disposed non-coaxially with an output member and is configured to serve as a reference of a position of the output member, and is configured to restrict a position of the housing with respect to the caliper by bringing the caliper-side restriction portion and the housing-side restriction portion into contact with each other.

Abstract: A dust core that can significantly reduce the iron loss is provided. The dust core of the present invention includes soft magnetic particles comprising pure iron or an iron alloy and a grain boundary layer existing between adjacent soft magnetic particles. The grain boundary layer has a compound layer comprising MxFe2-xSiO4 (0?x?1, M: one or more types of metal elements that serve as divalent cations). Such a dust core is obtained by annealing a compact. The compact is obtained by compression-molding a powder for magnetic cores. In the powder for magnetic cores, coating layers that coat the surfaces of soft magnetic particles are each composed of a composite phase in which spinel-type ferrite represented by MyFe3-yO4 (0?y?1, M: one or more types of metal elements that serve as divalent cations) is dispersed on a surface of a silicone resin or inside the silicone resin.

Abstract: A rotary electrical machine is equipped with a rotor that is rotatably supported, and a stator having a stator core that is disposed coaxially with the rotor. The stator core is configured as a plurality of stacked steel plates, and has a yoke portion that is of annular shape, a plurality of teeth extending radially from the yoke portion, and slots between adjacent teeth. A stator winding is wound in the slots. The yoke portion has holes that extend in the stacking direction of the steel plates, at positions of radial-direction extension of the slots, and molded powder bodies formed from a magnetic powder are provided within the holes.

Abstract: A semiconductor device capable of changing a data programming process in a simple manner according to a situation is provided. The semiconductor device includes a plurality of memory cells, a programming circuit for supplying a programming current to the memory cell, and a power supply circuit for supplying power to the programming circuit. The power supply circuit includes a charge pump circuit for boosting the external power supply, a voltage of the external power supply according to the selection indication, and a selectable circuit capable of switching the boosted voltage boosted by the charge pump circuit. The control circuit further includes a control circuit for executing data programming processing by the programming circuit by switching the selection indication.

Abstract: A semiconductor device includes a logic circuit, a memory, and a storage device. The storage device has a first special information storage region into which special information is written before a solder reflow process, a second special information storage region into which special information for updating is written after the solder reflow process, and a data storage region. The first special information storage region is constituted by a memory cell having a high reflow resistance and in which data is retained even after the solder reflow process. The second special information storage region and the data storage region are constituted by memory cells having a low reflow resistance and in which data may not be retained during the solder reflow process.

Abstract: A dust core including soft magnetic particles having pure iron or an iron alloy and a grain boundary layer present between adjacent soft magnetic particles. The grain boundary layer has a main phase and a barrier phase. The main phase having a spinel-type ferrite of a metal element. The metal element serves as a divalent cation. The barrier phase having one or more of Cu, Sn, or Co. The dust core can be obtained by using a powder for magnetic cores including soft magnetic particles coated with a film in which a first ferrite and a second ferrite coexist. The barrier phase blocks the Fe diffusion from the soft magnetic particles and suppresses the deterioration of the main phase having the second ferrite responsible for the insulating property.

Abstract: A dust core that can significantly reduce the iron loss is provided. The dust core of the present invention includes soft magnetic particles comprising pure iron or an iron alloy and a grain boundary layer existing between adjacent soft magnetic particles. The grain boundary layer has a compound layer comprising MxFe2-xSiO4 (0?x?1, M: one or more types of metal elements that serve as divalent cations). Such a dust core is obtained by annealing a compact. The compact is obtained by compression-molding a powder for magnetic cores. In the powder for magnetic cores, coating layers that coat the surfaces of soft magnetic particles are each composed of a composite phase in which spinel-type ferrite represented by MyFe3-yO4 (0?y?1, M: one or more types of metal elements that serve as divalent cations) is dispersed on a surface of a silicone resin or inside the silicone resin.

Abstract: A dust core including soft magnetic particles having pure iron or an iron alloy and a grain boundary layer present between adjacent soft magnetic particles. The grain boundary layer has a main phase and a barrier phase. The main phase having a spinel-type ferrite of a metal element. The metal element serves as a divalent cation. The barrier phase having one or more of Cu, Sn, or Co. The dust core can be obtained by using a powder for magnetic cores including soft magnetic particles coated with a film in which a first ferrite and a second ferrite coexist. The barrier phase blocks the Fe diffusion from the soft magnetic particles and suppresses the deterioration of the main phase having the second ferrite responsible for the insulating property.

Abstract: A powder for dust cores includes an aggregate of soft magnetic particles, each of which includes a soft magnetic metal particle, and a ferrite film that covers a surface of the soft magnetic metal particle and includes ferrite crystal grains having a spinel structure. A diffraction peak derived from the ferrite crystal grains exists in a powder X-ray diffraction pattern. By a method for producing a powder for dust cores, a raw material powder that includes an aggregate of soft magnetic metal particles is prepared. Furthermore, many ferrite fine particles are formed on a surface of each of the soft magnetic metal particles of the raw material powder. Additionally, the ferrite fine particles are coarsely crystallized through heat treatment to form a ferrite film, which includes ferrite crystal grains having a spinel structure, on the surface of the each of the soft magnetic metal particles.

Abstract: A rotary electrical machine is equipped with a rotor that is rotatably supported, and a stator having a stator core that is disposed coaxially with the rotor. The stator core is configured as a plurality of stacked steel plates, and has a yoke portion that is of annular shape, a plurality of teeth extending radially from the yoke portion, and slots between adjacent teeth. A stator winding is wound in the slots. The yoke portion has holes that extend in the stacking direction of the steel plates, at positions of radial-direction extension of the slots, and molded powder bodies formed from a magnetic powder are provided within the holes.

Abstract: A method produces a coating treatment solution to be used for forming a ferrite film having a spinel type crystal structure MFe2O4 on a surface of a soft magnetic material. The coating treatment solution contains a solution having a metal element and Fe. The metal element becomes divalent cations in the solution. The method prepares a first solution containing the metal element M and Fe, prepares a second solution by adding an alkaline solution to the first solution in a non-oxidizing atmosphere. The method produces the coating treatment solution by using the second solution.

Abstract: Provided is a compound capable of effectively control worst weeds of higher leaf stages that present practical problems. A specific pyrazolylpyrazole derivative of formula (I) is disclosed that is able to solve the above-mentioned problems.

Abstract: Provided is a compound capable of effectively control worst weeds of higher leaf stages that present practical problems. A specific pyrazolylpyrazole derivative of formula (I) is disclosed that is able to solve the above-mentioned problems.

Abstract: Provided is a compound capable of effectively control worst weeds of higher leaf stages that present practical problems. A specific pyrazolylpyrazole derivative of formula (I) is disclosed that is able to solve the above-mentioned problems.

Abstract: According to an embodiment, a semiconductor device includes a pre-charge transistor configured to supply a pre-charge voltage to a bit line, a sense amplifier configured to change a logic level of an output signal according to a result of a comparison between a drawing current of a storage element and a reference current, a clamp transistor disposed between the bit line BL and the sense amplifier, and a clamp voltage output transistor, in which a gate of the clamp voltage output transistor is connected to a gate of the clamp transistor, a source of the clamp voltage output transistor is connected to a back gate thereof, the pre-charge voltage is supplied to the source of the clamp voltage output transistor, a drain of the clamp voltage output transistor is connected to the gate thereof, and a ground voltage is supplied to a back gate of the clamp transistor.

Abstract: In order to reduce the manufacturing cost, a flash memory includes a memory cell array formed by a plurality of memory cells arranged in a matrix shape; a plurality of word lines provided in each column of the memory cell array; a first word line driver that outputs a first voltage group to each of the word lines; and a second word line driver that outputs a second voltage group to each of the word lines together with the first word line driver.

Abstract: A powder for dust cores includes an aggregate of soft magnetic particles, each of which includes a soft magnetic metal particle, and a ferrite film that covers a surface of the soft magnetic metal particle and includes ferrite crystal grains having a spinel structure. A diffraction peak derived from the ferrite crystal grains exists in a powder X-ray diffraction pattern. By a method for producing a powder for dust cores, a raw material powder that includes an aggregate of soft magnetic metal particles is prepared. Furthermore, many ferrite fine particles are formed on a surface of each of the soft magnetic metal particles of the raw material powder. Additionally, the ferrite fine particles are coarsely crystallized through heat treatment to form a ferrite film, which includes ferrite crystal grains having a spinel structure, on the surface of the each of the soft magnetic metal particles.

Abstract: Provided is a compound capable of effectively control worst weeds of higher leaf stages that present practical problems. A specific pyrazolylpyrazole derivative of formula (I) is disclosed that is able to solve the above-mentioned problems.

Abstract: Provided is a compound capable of effectively control worst weeds of higher leaf stages that present practical problems. A specific pyrazolylpyrazole derivative of formula (I) is disclosed that is able to solve the above-mentioned problems.