Abstract: A humidity controlling device includes a base material portion, and an adsorption portion provided on a surface of the base material portion and containing an adsorbent configured to adsorb and desorb moisture. The adsorbent has an amount of moisture adsorbed Ad20 of 15% by mass or more at a relative humidity of 20% or more, and a difference Ad8-Ad1 of 5% by mass or more, the difference being between an amount of moisture adsorbed Ad8 at a relative humidity of 8% and an amount of moisture adsorbed Ad1 at a relative humidity of 1%, in a moisture adsorption isotherm.

Abstract: A vehicle compartment purification system configured to be capable of executing a regeneration mode of a functional material by a controller, the regeneration mode including a first regeneration step in which the air is flowed through a plurality of cells of a heater element at a flow velocity A for a predetermined time from a start of the regeneration mode, and after the first regeneration step, a second regeneration step in which the air is flowed through the plurality of cells at a flow velocity B and flowed out to the outflow piping; wherein the flow velocity A and the flow velocity B satisfy the flow velocity A<the flow velocity B, provided that a direction from a first end surface to a second end surface of the heater element is regarded as a positive direction, and the flow velocity B is a positive value.

Abstract: A conductivity measurement method includes: a) measuring a first complex impedance between a first detection electrode and a second detection electrode at a first frequency with a liquid being in contact with a protective layer to face each of the first and second detection electrodes through the protective layer; b) extracting a first extraction value from the first complex impedance according to an extraction rule; c) determining whether the first extraction value is within a tolerance; d) deciding a conductivity of the liquid based on the first extraction value when it is determined that the first extraction value is within the tolerance in c); and e) deciding the conductivity of the liquid based on a second extraction value extracted according to the extraction rule from a second complex impedance at a second frequency when it is determined that the first extraction value is outside the tolerance in c).

Abstract: A wafer placement table includes: a ceramic substrate having a wafer placement surface and incorporating an electrode; a conductive embedded member electrically connected to the electrode; a conductive terminal with a female thread, the conductive terminal being electrically connected to the conductive embedded member, having a projection projecting from a surface, on an opposite side to the wafer placement surface, of the ceramic substrate, having the female thread at an end face of the projection; a conductive adapter that is mounted on the end face of the projection of the conductive terminal with the female thread, has a communication hole that communicates with the female thread, and is non-rotatable relative to the conductive terminal with the female thread; and a conductive connection member with a male thread, the conductive connection member having the male thread screwed into the female thread through the communication hole, and being integrated with the adapter.

Abstract: Provided is a semiconductor film having a corundum-type crystal structure composed of ?-Ga2O3 or an ?-Ga2O3 solid solution, and an impurity concentration and/or a heterogeneous phase amount differ between a front surface and a rear surface of the semiconductor film.

Abstract: A honeycomb structure includes: a honeycomb structure portion including: an outer peripheral wall; a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein the outer peripheral wall and/or the cells include at least one slit containing a filling material layer made of a filling material, wherein the filling material layer has pores, and wherein the pores having a pore diameter of 90 ?m or more account for 30% by volume or more of all the pores contained in the filling material layer.

Abstract: A Group-III element nitride semiconductor substrate includes: a first surface; and a second surface. The Group-III element nitride semiconductor substrate has a c-plane tilted with respect to a direction of the first surface, and a direction of the tilt falls between a <1-100> direction and a <11-20> direction.

Abstract: A honeycomb structure may comprise: a plurality of flow channels through which a fluid flows; a substrate that comprises a first flow channel of which outlet end surface is sealed and a second flow channel of which inlet end surface is sealed; and a catalyst that is inserted in at least one of the first and second flow channels.

Abstract: The ceramic heater includes: a first heater layer; a plurality of first power feeding terminals; a second heater layer; a plurality of second power feeding terminals; a plurality of jumper layers. The jumper layers are connected to a corresponding second power feeding terminal, and are connected to the second heater layer via a corresponding connecting portion. In the jumper layers, a slit is formed which divides the jumper layer into regions including: a first region on an innermost side, including a first end portion to which the second power feeding terminal is connected; second region on an outermost side, including a second end portion to which the connecting portion is connected. The first region extends in a positive direction, and the region other than the first region extends in an opposite direction to a direction in which the region being adjacent thereto on the inner side extends.

Abstract: A ceramic body according to this invention contains: a plurality of ceramic particles including one or more selected from silicon carbide, silicon nitride, and aluminum nitride; a silicon phase existing between the plurality of ceramic particles and having a dopant dissolved in solid solution therein; and a plurality of dopant particles existing in the silicon phase and containing the dopant. The dopant is a Group 13 element or a Group 15. A content of the silicon phase in the ceramic body is 20 to 80% by mass. A porosity of the ceramic body is 30% or less.

Abstract: A piezoelectric vibrating device includes a piezoelectric layer composed of a bulk piezoelectric material, a lower electrode on a first surface of the piezoelectric layer and a supporting substrate bonded with the lower electrode.

Abstract: There is provided a ceramic susceptor including a disk-shaped ceramic plate bonded body including an upper ceramic plate and a lower ceramic plate, an internal electrode embedded in the bonded body, and a purge gas groove, a vacuum suction groove, and a thermocouple insertion groove that are respectively provided on a bonding surface side of the upper ceramic plate or the lower ceramic plate. The ceramic plate bonded body has a central zone and an outer peripheral zone. The purge gas groove, the vacuum suction groove, and the thermocouple insertion groove respectively have straight-line portions in the central zone. An angle ?1 formed by a straight-line portion of the purge gas groove and a straight-line portion of the thermocouple insertion groove, and an angle ?2 formed by the straight-line portion of the purge gas groove and a straight-line portion of the vacuum suction groove satisfy 90°<?1<180°, 135°<?2<225°, and ?1<?2.

Abstract: A vehicle air conditioning system includes an adsorption device including: first and second adsorption portions provided in parallel to each other, each of the first adsorption portion and the second adsorption portion containing an adsorbent configured to adsorb at least one removal target component at a temperature equal to or lower than a predetermined temperature and to desorb the adsorbed removal target component when the temperature exceeds the predetermined temperature; a heating means configured to heat each of the first adsorption portion and the second adsorption portion; and at least one casing for holding the first adsorption portion and the second adsorption portion in an integrated manner, wherein the first adsorption portion and the second adsorption portion are provided to form a gap between them, and wherein the casing includes at least one support inserted into the gap between the first adsorption portion and the second adsorption portion.

Abstract: An electrostatic chuck fixing a workpiece disposed on a mounting surface via electrostatic attraction with application of a voltage to an electrode buried inside the electrostatic chuck comprises: the mounting surface having an uneven structure including a plurality of protrusions two-dimensionally spaced apart with predetermined pitches and a depression that is flat between the protrusions, each of the protrusions includes: a flat portion having a flat surface being vertical in a thickness direction of the electrostatic chuck and having a uniform height; and a sloped portion around the flat portion having a height decreasing from the flat portion toward the depression, and the sloped portion has an upper surface with a slope angle of 65 degrees or higher and 84 degrees or lower in the thickness direction of the electrostatic chuck.

Abstract: A waveguide device includes: a waveguide member capable of guiding an electromagnetic wave having a frequency of 30 GHz or more and 20 THz or less; a support substrate configured to support the waveguide member; and a low-dielectric constant portion. The waveguide member includes: an inorganic material substrate; and coplanar electrodes arranged above the inorganic material substrate. The support substrate is arranged below the inorganic material substrate. The low-dielectric constant portion is arranged below the inorganic material substrate, and has a dielectric constant smaller than a dielectric constant of the inorganic material substrate.

Abstract: A wafer placement table includes a ceramic plate having a wafer placement surface on its top surface and incorporating an electrode; an electrically conductive plate joined to a bottom surface of the ceramic plate; a ceramic plate penetrating part extending through the ceramic plate; an electrically insulating gas passage plug provided in the ceramic plate penetrating part and that allows gas to pass inside; a gas introduction passage provided at least inside the electrically conductive plate and communicating with the ceramic plate penetrating part; and an electrically conductive gas passage part provided in the gas introduction passage, being in contact with a bottom surface of the electrically insulating gas passage plug, being electrically continuous with the electrically conductive plate, and that allows gas to pass inside.

Abstract: A gas sensor includes: a sensor element including a sensing part on a side of one end portion thereof; a casing; and a connector disposed in the casing to electrically connect the sensor element to an outside, wherein the casing includes: an outer tube including a main portion in which a reference gas is included and a sealing portion being an end portion having a smaller diameter than the main portion, another end portion of the sensor element protruding to the main portion, a rubber seal member fitted into the sealing portion to seal the outer tube, and a spacer intervening between the seal member and the connector in the outer tube. The spacer includes a concave portion in an end surface on a side having contact with the connector, and has contact with the connector in the end surface except for the concave portion.

Abstract: A dielectric drying method for ceramic formed bodies includes drying a plurality of ceramic formed bodies placed side by side in a direction perpendicular to a conveying direction on upper surfaces of drying tables by conveying the ceramic formed bodies between electrodes of an upper electrode and a lower electrode, and applying a high frequency between the electrodes. In the direction perpendicular to the conveying direction of the ceramic formed body, a distance between the electrodes in two end regions between which a central region is interposed is shorter than a distance between the electrodes in the central region.

Abstract: A solid electrolyte contains M1, M2, and X, where M1 is an element(s) serving as a univalent cation and includes at least one element selected from a group consisting of Li, Na, and K, M2 is at least one element serving as a trivalent cation, and X is at least one element selected from a group consisting of F, Cl, Br, and I. All interaxial angles ?, ?, and ? of a unit cell in a crystal structure are 90°.

Abstract: A solid electrolyte contains Na, M?, M?, and F, where M? is at least one element serving as a trivalent cation, and M? is at least one element serving as a quadrivalent or higher-valent cation.