Abstract: Provided is a method of manufacturing a Si—SiC-based composite structure capable of improving the manufacturing efficiency of the Si—SiC-based composite structure. The method of manufacturing a Si—SiC-based composite structure includes a step of impregnating a molten metal containing Si into a molded body containing SiC by heating a supply body containing Si under a state in which the supply body is in contact with the molded body, wherein a contact portion of the supply body with the molded body is a part of a surface of the supply body facing the molded body.

Abstract: A ceramic material that has a high resistivity and high corrosion resistance according to the present invention contains magnesium-aluminum oxynitride and has a carbon content of 0.005 to 0.275 mass %.

Abstract: A composite sintered body contains a silicon phase, a cordierite phase, and a high-resistance silicon carbide phase. The content of silicon in the composite sintered body to the composite sintered body is not lower than 30 mass % and not higher than 50 mass %. The content of cordierite in the composite sintered body to the composite sintered body is not lower than 10 mass % and not higher than 50 mass %. The content of high-resistance silicon carbide in the composite sintered body to the composite sintered body is not lower than 20 mass % and not higher than 50 mass %.

Abstract: A method for producing a honeycomb structure includes: a step of adjusting a penetration depth of a processing tool from an outer peripheral surface of a honeycomb structure base body having the honeycomb structure portion to a radially inward direction; and a step of forming at least one slit in the honeycomb structure base body according to the adjusted penetration depth, and wherein the penetration depth is adjusted by measuring a wall thickness of the outer peripheral wall of the honeycomb structure base body and then adding a predetermined value to the wall thickness.

Abstract: There is provided a positive electrode active material containing a lithium composite oxide having a layered rock salt structure containing Li, Ni, Co and Mn, and further containing at least one additive selected from Li3BO3, Li3PO4 and Li2SO4.

Abstract: A member for semiconductor manufacturing apparatus includes: a ceramic plate having a wafer placement surface on its upper surface; and a porous plug that is disposed in a plug insertion hole penetrating the ceramic plate in a up-down direction, and allows a gas to flow, wherein the porous plug has a first porous member exposed to the wafer placement surface, and a second porous member having an upper surface covered by the first porous member, the first porous member is higher in purity and smaller in thickness than the second porous member, and the second porous member is higher in porosity than the first porous member.

Abstract: A heat conductive member includes a honeycomb structure including: an outer peripheral wall; and a plurality of partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path for a first fluid. In a cross section of the honeycomb structure perpendicular to a flow path direction for the first fluid, the partition walls include a plurality of first partition walls extending in a radial direction and a plurality of second partition walls extending in a circumferential direction. At least a part of the first partition walls has a thickness of a portion that defines the cells closest to the outer peripheral wall larger than a thickness of a portion that defines the cells closest to a central portion.

Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 8 to 12 and in a pore diameter distribution which indicates a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak that includes a maximum value of the log differential pore volume has a pore diameter value of 10 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.

Abstract: A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 13 to 18 ?m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (?m) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 15 ?m or less, the pore diameter value corresponding to a ? value width of the maximum value.

Abstract: A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells, wherein a major component of the partition wall is cordierite, a porosity of the partition wall is 45 to 55%, an average pore diameter of the partition wall is 8 to 19 ?m, a cumulative pore volume of the partition wall is such that a pore volume ratio of the pores having a pore diameter larger than a thickness of the partition wall relative to an overall pore volume of the partition wall is 3.0% or less, and a pore volume ratio of the pores having a pore diameter of 10 ?m or less relative to the overall pore volume of the partition wall is 30% or more, and a pore diameter distribution of the partition wall is a unimodal distribution, or a multimodal distribution.

Abstract: A wafer support includes an RF electrode and a heater electrode that are embedded inside a disk-shaped ceramic base having a wafer placement surface. The RF electrode is constituted by a plurality of RF zone electrodes that are individually disposed for each of a plurality of divided zones of the wafer placement surface. The plurality of RF zone electrodes are separately disposed in at least two stages that are positioned at different distances from the wafer placement surface. The heater electrode is constituted by a plurality of heater zone electrodes that are individually disposed for each of a plurality of divided zones of the wafer placement surface, the zones being divided in a similar or different way to or from the RF zone electrodes.

Abstract: A inspection method for a cylindrical honeycomb structure including a step of placing a cylindrical honeycomb structure made of ceramics on a rotation stage; a step of irradiating the side surface of the cylindrical honeycomb structure with light having a wavelength of 300 to 500 nm; a step of repeatedly capturing a reflected light from the side surface with a line sensor camera having a pixel resolution of 1 to 25 ?m/pix while the light is irradiated to the side surface and the cylindrical honeycomb structure is rotated around the axis of rotation, with a depth of field of the line sensor camera being adjusted to 0.5 to 5 mm; a step of generating an inspection image of the entire side surface; and a step of determining presence or absence of defects on the side surface based on the inspection image.

Abstract: A method for manufacturing a pillar-shaped honeycomb structure filter including preparing a pillar-shaped honeycomb structure having a plurality of first cells and a plurality of second cells that are alternately arranged adjacent to each other with a porous partition wall interposed therebetween; adhering ceramic particles containing 50% by mass or more in total of one or two selected from SiC and SiN to a surface of the first cells; and performing a heat-oxidation treatment on the pillar-shaped honeycomb structure in which the ceramic particles are adhered to the surface of the first cells to form a porous film comprised of the ceramic particles having an oxide film thereon so as to satisfy: (1) 0.05?T?0.5; (2) 0.05?T/D50; and (3) 4?{(W1?W0)/W0×100}/D50.

Abstract: Provided is a beryllium copper alloy bonded body including a first member made of a beryllium copper alloy and a second member made of a beryllium copper alloy, wherein the first member and the second member are bonded to each other via the nickel layer having a thickness of 8 ?m or less.

Abstract: Provided is a tubular member for an exhaust gas treatment device, including: a tubular main body made of a metal; an insulating layer arranged at least on an inner peripheral surface side of the tubular main body; and an intermediate layer arranged between the tubular main body and the insulating layer, wherein the insulating layer contains glass, and wherein the intermediate layer is at least not identical in composition to the insulating layer.

Abstract: A honeycomb structure 1 includes a honeycomb structure portion comprising: an outer peripheral wall 20; a partition wall 21 arranged on an inner side of the outer peripheral wall 20, the partition wall 21 defining a plurality of cells 21a each extending from one end face to other end face to form a flow path, wherein the honeycomb structure 1 further includes: a plurality of slits 3 extending radially inward from an outer peripheral surface 1a of the honeycomb structure 1 and extending in an extending direction of the cells 21a; and a filling material 4 filled in the slits 3, and wherein, when a difference between a width Y of the filling material 4 and a width X of each of the slits 3, represented by the following equation (1), is determined for each of the slits 3, a difference between a maximum value A of the difference and a minimum value B of the difference, represented by the following equation (2), is 0.

Abstract: A member for a semiconductor manufacturing apparatus, includes: a base substrate that has a wafer-placement-table support and a focus-ring-placement-table support; a focus-ring placement table that is joined to the focus-ring-placement-table support; a wafer placement table that is separate from the focus-ring placement table, that overlaps an inner peripheral portion of the focus-ring placement table in plan view, and that is joined to the inner peripheral portion of the focus-ring placement table and to the wafer-placement-table support; an internal space that is surrounded by a lower surface of the wafer placement table, an outer peripheral surface of the wafer-placement-table support, an inner peripheral surface of the focus-ring placement table, and an upper surface of the focus-ring-placement-table support; and a communication path that is provided at the base substrate and that causes the internal space and an outside of the base substrate to communicate with each other.

Abstract: A heat exchanger includes: a heat recovery member through which a first fluid can flow; an inner cylinder configured to house the heat recovery member; an outer cylinder having a feed port capable of feeding a second fluid and a discharge port capable of discharging the second fluid, the outer cylinder being disposed on a radially outer side of the inner cylinder with a distance such that a flow path for the second fluid is formed between the outer cylinder and the inner cylinder; a feed pipe connected to the feed port; and a discharge pipe connected to the discharge port.

Abstract: Provided is a method of manufacturing a honeycomb structure capable of manufacturing a honeycomb structure excellent in external dimension accuracy. A method of manufacturing a honeycomb structure includes: a preparation step of preparing a honeycomb molded body; a storage step of storing the honeycomb molded body under a state in which temperature and humidity are adjusted; and a fitting step of inserting the honeycomb molded body after the completion of the storage step into a heated metal tube and then cooling the metal tube.

Abstract: Provided is a secondary lithium battery including: a positive electrode plate that is a sintered lithium complex oxide plate; a negative electrode containing carbon and styrene butadiene rubber (SBR); and an electrolytic solution containing lithium borofluoride (LiBF4) in a non-aqueous solvent composed of ?-butyrolactone (GBL), or composed of ethylene carbonate (EC) and ?-butyrolactone (GBL).