Abstract: A wafer placement table includes: a ceramic plate having a wafer placement surface on an upper surface and a built-in electrode; a plug placement hole extending through the ceramic plate from a lower surface to the upper surface; a plug placed in the plug placement hole and allowing gas to pass therethrough; and a plug joint joining an outer edge of an upper surface of the plug and an upper opening edge of the plug placement hole and covering the outer edge of the upper surface of the plug from above.

Abstract: A zeolite membrane complex includes a porous support and a zeolite membrane made of an LTA-type zeolite and formed on the support. The zeolite membrane has a Si/Al molar ratio of higher than or equal to 1.74 and lower than or equal to 2.80, or the zeolite membrane has a Si/Al molar ratio of higher than or equal to 1.2 and, in an X-ray diffraction pattern obtained by X-ray irradiation of the surface of the zeolite membrane, at least either a peak intensity around 2?=24.0° or a peak intensity around 2?=30.0° is 0.85 times or more a peak intensity around 2?=7.2°.

Abstract: A lithium secondary battery including a laminate that is a sintered body of positive electrode layers, negative electrode layers, and separators, and in which the positive electrode layers and the negative electrode layers are alternately laminated through the separators. The laminate includes a first insulating layer contacting a first end portion of each of the positive electrode layers in a width direction thereof, and a second insulating layer contacting a second end portion of each of the negative electrode layers in a width direction thereof on a side opposite to the first end portion in the width direction. When an external thickness of the laminate is represented by T, and an average of thicknesses of the first insulating layers and thicknesses of the second insulating layers is represented by tave, (tave/T)×100?30 (%) is satisfied.

Abstract: A lithium secondary battery including a plurality of positive electrode layers, negative electrode layers, and separators, and in which the positive electrode layers and the negative electrode layers are alternately laminated through the separators. The laminate includes a first insulating layer contacting a first end portion of each of the positive electrode layers in a width direction thereof, and a second insulating layer contacting a second end portion of each of the negative electrode layers in a width direction thereof on a side opposite to the first end portion in the width direction. When an external width of the laminate is represented by W, and an average of widths of the first insulating layers and widths of the second insulating layers is represented by wave, a ratio “(wave/W)×100” falls within a range of from 0.8 (%) to 40 (%).

Abstract: A circuit board assembly includes a wiring board, a coin-type secondary cell that is a lithium secondary cell electrically connected to the wiring board by reflow soldering, and a wireless communication device electrically connected to the wiring board. The coin-type secondary cell includes a positive electrode including a sintered body, a negative electrode including a sintered body, an electrolyte layer provided between the positive electrode and the negative electrode, and a cell case having an enclosed space in which the positive electrode, the negative electrode, and the electrolyte layer are housed. When C is given as the capacity of the positive electrode and A is given as the capacity of the negative electrode, 1.03<C/A<1.60 is satisfied.

Abstract: Provided is a lithium secondary battery including: a positive electrode plate that is a lithium complex oxide sintered plate with a thickness of 50 ?m or more; a negative electrode plate; a separator interposed therebetween; and an electrolytic solution. The sintered plate has a structure in which primary grains having a layered rock-salt structure are bound to each other, the lithium complex oxide has a composition represented by Lix(Co1-yMy)O2±?, wherein 1.0?x?1.1, 0<y?0.8, and 0??<1 are satisfied, and M is at least one selected from Mg, Ni, Al, Ti, and Mn, and the primary grains have a mean tilt angle of over 0° and 30° or less. The mean tilt angle is a mean value of angles defined by (003) planes of the primary grains and the plate face of the sintered plate.

Abstract: A honeycomb structure comprising an outer peripheral wall; a partition wall defining a plurality of cells each extending from one end face to other end face, a plurality of slits extending radially inward from an outer peripheral surface of the honeycomb structure and extending in an extending direction of the cells; and a filling material filled in the slits. A difference between a width Y of the filling material when viewed from the outside in the radial direction of the honeycomb structure, and a width X of each of the slits on the outer peripheral surface of the honeycomb structure, represented by (Y?X), is determined for each of the slits, and a difference between a maximum value A of the difference and a minimum value B of the difference, represented by the (A?B), is 0.4 mm or less.

Abstract: A zeolite membrane complex includes a porous support and a zeolite membrane formed on the support and containing aluminum, silicon, and carbon. In the zeolite membrane, the molar ratio of carbon to the sum of aluminum and silicon is higher than or equal to 0.1. In the zeolite membrane complex, when a mixed solution having a temperature of 60° C. and containing 50 mass % of water and 50 mass % of ethanol is supplied with a permeate pressure of ?94.66 kPaG, the total permeation flux is higher than or equal to 1.0 kg/m2 h, and a separation factor of water to ethanol is greater than or equal to 1000.

Abstract: In a sensor element for a limiting-current type gas sensor measuring concentration of NOx in a measurement gas, an inner pump electrode located to face a first internal space communicating with a gas inlet through which the measurement gas is introduced from an external space under predetermined diffusion resistance is made of a cermet of a Pt—Au alloy and zirconia, and the inner pump electrode is located, from among surfaces defining the first internal space, at least on a surface farthest from a heater part in a thickness direction of the element, and is not located on a surface closest to the heater part in the thickness direction.

Abstract: An oriented ceramic sintered body production method includes (a) a step of preparing a ceramic compact before firing into an oriented ceramic sintered body; and (b) a step of obtaining an oriented ceramic sintered body by sandwiching the ceramic compact between a pair of releasing sheets, placing the ceramic compact and the releasing sheets in a hot press firing furnace, and hot press firing the ceramic compact while applying a pressure by a pair of punches through the pair of releasing sheets, wherein each of the releasing sheets is a releasing sheet such that, after the releasing sheet is sandwiched between PET films, is then placed and vacuum-packed on a stainless steel sheet, and is isostatically pressed at 200 kg/cm2, a surface of the releasing sheet on the side opposite from the stainless steel sheet has a profile curve with a total profile height Pt of 0.8 ?m or less.

Abstract: A sensor element includes an element body provided with a measurement-object gas flow section therein; a measurement electrode disposed in the measurement-object gas flow section; a measurement-object-gas side electrode disposed on the element body; a reference electrode disposed inside the element body; and a reference-gas introduction section having a reference-gas introduction space and a porous reference-gas introduction layer, the reference-gas introduction space introducing a reference gas into the element body, the porous reference-gas introduction layer causing the reference gas to flow from the reference-gas introduction space to the reference electrode. Limiting current A as a limiting current when oxygen is pumped out from a periphery of the reference electrode to a periphery of the measurement-object-gas side electrode is 30 ?A or lower, A×Ra as a product of a diffusion resistance Ra [/mm] of the reference-gas introduction space and the limiting current A is 50,000 or smaller.

Abstract: A cylindrical can body capable of housing a honeycomb structure therein, the cylindrical can body including: a coil for induction-heating the honeycomb structure; a cylindrical member made of an insulating material; and a cylindrical metal member capable of housing the coil and the cylindrical member therein, wherein, in a cross section parallel to an axial direction of the cylindrical member, (i) the coil is provided radially outward from an inner circumferential surface of the cylindrical member, and at least a part of the coil is embedded in the cross section of the cylindrical member; or (ii) the coil is provided on an outer circumferential portion of the cylindrical member.

Abstract: A wafer placement table includes: a ceramic plate having a pore extending vertically through the ceramic plate, a conductive plate bonded to a lower surface of the ceramic plate and having a gas supply passage; a plug chamber that is in communication with the pore and the gas supply passage; an insulating gas passage plug located in the plug chamber and a dense insulating film. The dense insulating film allows ventilation at a gas outlet portion that is a portion of an upper surface of the insulating gas passage plug and serves as a gas flow path to the pore, and the dense insulating film is disposed across the upper surface of the conductive plate and the upper surface of the insulating gas passage plug to cover a boundary between the upper surface of the conductive plate and the upper surface of the insulating gas passage plug.

Abstract: A separation membrane module a tubular housing, a monolith type membrane structure housed in the housing, and a first flow regulation portion housed in the housing. The housing has an inner circumferential surface and a first opening formed in the inner circumferential surface and configured to allow a sweep gas to flow therethrough. The membrane structure has an outer circumferential surface and a first slit formed in the outer circumferential surface and configured to allow the sweep gas to flow therethrough. The first flow regulation portion has a first flow regulation surface configured to regulate a flow of the sweep gas between the first opening and the first slit.

Abstract: A multi-zone heater capable of heating a wafer mounted on a disc-shaped ceramic substrate includes: a plurality of lift pin holes which are provided in the substrate; an inner zone heater embedded in an inner zone of the ceramic substrate; an outer zone heater embedded in an outer zone outside the inner zone; first and second feed terminals to which opposite ends of the inner zone heater are connected; first and second leads to which opposite ends of the outer zone heater are connected; and third and fourth feed terminals to which the first and second leads are respectively connected, the plurality of lift pin holes, the inner zone heater, and the outer zone heater are arranged to be symmetric with respect to a common axis of symmetry, and the first and second leads are arranged along the axis of symmetry to be symmetric to each other.

Abstract: A heater element includes a honeycomb structure, and satisfies either of the following condition (i) or (ii): (i) a first electrode is provided on one end surface, and a second electrode has an electrode portion A provided on the other end surface, and an electrode portion B connected to the electrode portion A and provided on a surface of partition walls; (ii) the first electrode has an electrode portion A provided on the one end surface, and an electrode portion B connected to the electrode portion A and provided on the surface of the partition walls, and the second electrode has an electrode portion A provided on the other end surface, and an electrode portion B connected to the electrode portion A and provided on a surface of the partition walls.

Abstract: Provided is a bonded body of copper alloy and steel material that has high bonding property at the interface of the copper alloy and the steel material, and is capable of maintaining a high strength without carrying out the subsequent precipitation hardening process accompanied by solution annealing (or by carrying out only the precipitation hardening process that is not accompanied by the solution annealing). This bonded body includes a first member composed of a precipitation-hardenable copper alloy and a second member including an additively manufactured object made of a steel material bonded to the first member at at least one bonding interface. The bonded body, when the cross section perpendicular to the bonding interface is observed by a scanning electron microscope (SEM), is free of voids having a length of 50 ?m or more at the bonding interface in a direction parallel to the bonding interface.

Abstract: Provided is a method for recycling a lithium-ion secondary battery, which includes: providing a used lithium-ion secondary battery that includes: (i) a battery element including a positive electrode, a separator, and a negative electrode, wherein at least one of the positive electrode and the negative electrode is a ceramic electrode; (ii) an electrolytic solution; and (iii) a battery container accommodating the battery element and the electrolytic solution; taking out the ceramic electrode from the lithium-ion secondary battery so that the positive electrode and the negative electrode are separated from each other, provided that the separator may be bonded to the ceramic electrode taken out; subjecting the ceramic electrode taken out to an electrode restoration treatment including cleaning and/or heat treatment; and putting the ceramic electrode subjected to the electrode restoration treatment back into the battery container to assemble a lithium-ion secondary battery.

Abstract: A gas adsorption system includes a plurality of gas adsorption units each including an electrochemical device configured to adsorb and release a predetermined gas. The plurality of gas adsorption units include: a first adsorption unit to which the predetermined gas is supplied; and a second adsorption unit to which the gas having passed through the first adsorption unit is supplied.

Abstract: There is provided a lead-free free-cutting beryllium copper alloy consisting of from 1.80% to 2.10% by weight of Be, from 0.10% to 3.00% by weight of Si, from 0.20% to 0.40% by weight of Co, from 0% to 0.10% by weight of Fe, from 0% to 0.10% by weight of Ni, and the balance being Cu and inevitable impurities, wherein the beryllium copper alloy includes a matrix phase being an ? phase, a Si-rich phase being a ? phase rich in Si, and Co—Be—Si intermetallic compound grains containing Co, Be, and Si, and optionally Fe and/or Ni.