Abstract: A method of evaluating a separation membrane module includes a step of supplying a performance degradation gas having a property of reducing permeance of a separation membrane to a primary side of the separation membrane, and a step of, after the previous step, supplying an evaluation fluid to the primary side of the separation membrane to measure a flow rate of the evaluation fluid to a secondary side of the separation membrane.

Abstract: A wafer placement table includes an upper substrate including a ceramic substrate and having a wafer placement surface, a lower substrate disposed on a lower surface of the upper substrate including a refrigerant flow path or a refrigerant flow-path groove, a through hole extending through the lower substrate in an up-down direction to intersect with the refrigerant flow path or the refrigerant flow-path groove, a screw hole provided in the lower surface of the upper substrate, at a position facing the through hole, a screw member inserted from a lower surface of the lower substrate into the through hole and screwed into the screw hole, and a refrigerant-leakage prevention member that prevents the refrigerant from leaking out to the lower surface of the lower substrate through the through hole into which the screw member is inserted.

Abstract: The gas sensor includes a sensor element, an element sealing member, a lead wire, a connector, an outer tube, and a grommet. The sensor element has, in the vicinity of a rear end thereof, a surface on which an electrode pad is formed. The element sealing member is configured to hold part of the sensor element. The connector is configured to hold the portion of the sensor element in which the electrode pad is formed, and to electrically connect the electrode pad and the lead wire. The outer tube is configured to be fixed to the element sealing member, and to surround the connector. The grommet is configured to be attached to a rear end of the outer tube, and to allow the lead wire to extend therethrough. A protruding portion is formed on a rear end face of the connector and is in contact with the grommet.

Abstract: A sensor element includes a first pump cell including a first pump electrode and a first reference electrode, a first pump circuit including the first pump cell and a first reference electrode lead, a second pump cell including a second pump electrode and a second reference electrode and a second pump circuit including the second pump cell and a second pump electrode. A resistance value R2 of the second pump circuit is higher than a resistance value R1 of the first pump circuit, and a porosity P2 of the second reference electrode lead is higher than a porosity P1 of the first reference electrode lead.

Abstract: There is provided a functional layer including layered double hydroxide. The functional has an average porosity of 1 to 40% and an average pore diameter of 100 nm or less.

Abstract: A heat sink includes first to fifth layers. The first layer supports a frame made of ceramics, is made of copper, and has a thickness t1. The second layer is laminated to the first layer, is made of molybdenum, and has a thickness t2. The third layer is laminated to the second layer, is made of copper, and has a thickness t3. The fourth layer is laminated to the third layer, is made of molybdenum, and has a thickness t4. The fifth layer is laminated to the fourth layer, is made of copper, and has a thickness t5. A formula 3?t1/t5?5 is satisfied. A formula 3?t3/t5?5 is satisfied.

Abstract: Provided is a solid electrolyte which contains a composition expressed by 3LiOH·Li2SO4. The solid electrolyte has a lithium ion conductivity of 0.1×10?6 S/cm or more at 25° C. and an activation energy of 0.6 eV or more.

Abstract: A lithium secondary battery includes a positive electrode composed of a sintered body containing lithium cobaltate, a negative electrode, and a separator composed of a sintered body containing magnesia interposed between the positive electrode and the negative electrode. The lithium secondary battery further includes an intermediate layer between the positive electrode and the separator, the intermediate layer containing an oxide containing Co and Mg.

Abstract: A honeycomb filter comprising a pillar-shaped honeycomb structure having a porous partition wall disposed so as to surround a plurality of cells which serve as a fluid through channel extending from an inflow end face to an outflow end face and a porous plugging portion provided at either an end on the inflow end face side or an end on the outflow end face side of the cell, wherein in a processed image obtained by binarizing an electron microscope image of a visual field area of 480 ?m×640 ?m of the plugging portion, the plugging portion is composed of a plurality of particles, and the number of the particles having an area of 0.25 ?m2 or more is 1000 or more and 3500 or less.

Abstract: The waveguide element includes: a dielectric portion having holes periodically formed in a substrate made of a ceramics material; a low-dielectric constant portion having a dielectric constant smaller than a dielectric constant of the dielectric portion; and a support substrate arranged below the dielectric portion, the support substrate being configured to support the dielectric portion. The waveguide element is configured to guide an electromagnetic wave having a frequency of 30 GHz or more and 20 THz or less, and a frequency range of the electromagnetic wave in which an absolute value of a propagation loss becomes 1 dB/cm or less is 50 GHz or more.

Abstract: A terminal substrate includes a signal terminal disposed on a terminal surface of an insulation ceramic layer. An insulation resin layer of a flexible substrate includes a first surface facing the terminal surface, and a second surface on an opposite side of the first surface. A first signal pad disposed on the first surface is joined to the signal terminal. A first penetration conductive part penetrates the insulation resin layer from the first signal pad. A first signal line is disposed on the second surface. A second penetration conductive part penetrates the insulation resin layer from the first signal line. A second signal line is disposed on the first surface. A third penetration conductive part penetrates the insulation resin layer from the second signal line. A second signal pad is disposed on the second surface.

Abstract: The composite sintered body includes Al2O3, and MgAl2O4. The content of Al2O3 in the composite sintered body is not less than 95.5% by weight. The average sintered grain size of Al2O3 in the composite sintered body is not less than 2 ?m and not greater than 4 ?m. The standard deviation of sintered grain size distribution of Al2O3 in the composite sintered body is not greater than 0.35. The bulk density of the composite sintered body is not less than 3.94 g/cm3 and not greater than 3.98 g/cm3. In the composite sintered body, the ratio of amount of crystal phase of MgAl2O4 to that of Al2O3 is not less than 0.003 and not greater than 0.01.

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 an air electrode/separator assembly including a hydroxide ion conductive separator including an inner space, a pair of catalyst layers covering both surfaces of the hydroxide ion conductive separator and containing a catalyst for an air electrode, a hydroxide ion conductive material, and an electron conductive material, a pair of gas diffusion electrodes provided on the pair of catalyst layers on a side opposite to the hydroxide ion conductive separator, and a water absorption/desorption layer provided so as to contact both of the pair of catalyst layers, having water absorbability and desorbability. One of the pair of catalyst layers is a catalyst layer for discharge and the other of the pair of catalyst layers is a catalyst layer for charge; and the hydroxide ion conductive separator, the catalyst layer, and the gas diffusion electrode are arranged vertically, and the water absorption/desorption layer is positioned below the catalyst layer.

Abstract: Provided is an air electrode/separator assembly including: a hydroxide ion conductive separator, an interface layer containing a hydroxide ion conductive material and an electron conductive material and covering one side of the hydroxide ion conductive separator; an air electrode layer provided on the interface layer and including a catalyst layer composed of a porous current collector and a layered double hydroxide (LDH) covering a surface thereof, and a water repellent porous layer covering a surface of the air electrode opposite to the hydroxide ion conductive separator.

Abstract: A monolith-type reactor includes a separation membrane, a first flow path, a second flow path, and a catalyst. The separation membrane is permeable to a product of conversion reaction of a raw material gas containing at least hydrogen and carbon dioxide to a liquid fuel. The raw material gas flows through the first flow path. A sweep gas for sweeping the product that has permeated through the separation membrane flows through the second flow path. The catalyst is disposed in the first flow path and configured to promote the conversion reaction of the raw material gas to the liquid fuel. In a side view of the separation membrane, a direction in which the sweep gas flows through the second flow path is opposite to the direction in which the raw material gas flows through the first flow path.

Abstract: A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall and a circumferential wall, wherein in a section orthogonal to the extending direction of the cells of the honeycomb structure body, the shape of the cell is a polygonal shape with a corner having an arc shape, a thickness T1[mm] of the partition wall is 0.0500 to 0.1400 mm, a radius of curvature R1[mm] of the corner having the arc shape of the cell and the thickness T1[mm] of the partition wall satisfy the relationship of Equation (1), in the section orthogonal to the extending direction of the cells of the honeycomb structure body, the outer diameter of the honeycomb structure body is 190.5 to 355.6 mm, and a porosity of the partition wall is 20 to 40%. 0.0050?R1×T1?0.

Abstract: A composite sintered body contains a silicon phase which is a main phase, a cordierite phase, and an amorphous phase containing Si. Further, the volume resistivity thereof at a room temperature is not lower than 0.1 ?·cm and not higher than 2.5 ?·cm.

Abstract: Provided is an all-solid lithium battery including: a low-angle oriented positive electrode plate that is a lithium complex oxide sintered plate having a porosity of 10 to 50%; a negative electrode plate containing Ti and capable of intercalating and deintercalating lithium ions at 0.4 V or higher (vs. Li/Li+); and a solid electrolyte having a melting point lower than the melting point or pyrolytic temperature of the oriented positive electrode plate or the negative electrode plate, wherein at least 30% of pores in the oriented positive electrode plate is filled with the solid electrolyte in an observation of a cross-section perpendicular to a main face of the oriented positive electrode plate.

Abstract: A method of manufacturing a composite sintered body includes a step (Step S11) of molding mixed powder in which Al2O3, SiC, and MgO are mixed, into a green body having a predetermined shape and a step (Step S12) of generating a composite sintered body by sintering the green body. Then, in Step S11, the ratio of SiC to the mixed powder is not lower than 4.0 weight percentage and not higher than 13.0 weight percentage. Further, the purity of Al2O3 in Step S11 is not lower than 99.9%. It is thereby possible to suppress the abnormal grain growth of Al2O3 and suitably manufacture a composite sintered body having high relative dielectric constant and withstand voltage, and low tan ?.