Abstract: A piezoelectric element according to the present disclosure includes: a substrate; a first adhesion layer formed on the substrate and containing titanium; at least one of second adhesion layers formed on the substrate and containing titanium oxide; a first electrode formed on the first adhesion layer and the second adhesion layer; a seed layer formed on the first electrode and the substrate and containing titanium; a piezoelectric layer formed on the seed layer; and a second electrode formed on the piezoelectric layer. At least a part of an end portion of the first electrode is formed on the second adhesion layer.

Abstract: A manufacturing method of a piezoelectric element includes: forming a first conductive film on a vibration plate as a substrate; etching a first conductive film; forming a second conductive film on the first conductive film; etching the second conductive film to form a first electrode having a step region as a step formed by the second conductive film and the first conductive film at ends thereof; forming a seed layer as an orientation control layer covering the first electrode by a liquid phase method; forming a piezoelectric film on the seed layer; etching the piezoelectric film to form a piezoelectric body; and forming a second electrode covering the piezoelectric body.

Abstract: A piezoelectric element according to the present disclosure includes: a substrate containing silicon; a first electrode formed on the substrate; a piezoelectric layer formed on the first electrode and containing potassium, sodium, and niobium; and a second electrode formed on the piezoelectric layer, in which a first diffusion inhibition layer containing an insulating material is disposed between the substrate and the piezoelectric layer, the piezoelectric layer is continuously formed on a first region which is a surface of the first electrode, a second region which is a surface of the first diffusion inhibition layer, and a third region which is a surface of the substrate, and the third region is between the first region and the second region.

Abstract: A piezoelectric element includes an adhesion layer formed at a vibration plate and containing titanium, a lower electrode formed at the adhesion layer, a diffusion reduction layer formed at the lower electrode and containing iridium, a seed layer formed at the diffusion reduction layer and containing bismuth, a piezoelectric layer formed at the seed layer and containing potassium, sodium, and niobium, and an upper electrode formed at the piezoelectric layer.

Abstract: An outer peripheral surface of a cylindrical cell is coated with a heat insulation material. A heat-resistant material is stacked radially outside the heat insulation material. An electrical insulation material is stacked radially outside the heat-resistant material. The order in which the heat insulation material, the heat-resistant material and the electrical insulation material are stacked one on top of another may be changed. A coating material other than the heat insulation material, the heat-resistant material and the electrical insulation material may be provided.

Abstract: A sodium-sulfur battery according to the present invention is provided with a reservoir space 100 that retains and solidifies a high-temperature molten material having flowed out of a cell 4, in order to prevent the high-temperature molten material from leaking out of a casing 1, even when an accident occurs to generate the high-temperature molten material inside the casing. The reservoir space 100 can be formed along a perimeter of the casing 1, or alternatively, can be formed inside the casing 1. The reservoir space 100 includes, for example, a composite member 15 of a rigid member 11, a heat-insulating material 12, and a heat-resisting material 13.

Abstract: A sodium-sulfur battery according to the present invention is provided with a reservoir space 100 that retains and solidifies a high-temperature molten material having flowed out of a cell 4, in order to prevent the high-temperature molten material from leaking out of a casing 1, even when an accident occurs to generate the high-temperature molten material inside the casing. The reservoir space 100 can be formed along a perimeter of the casing 1, or alternatively, can be formed inside the casing 1. The reservoir space 100 includes, for example, a composite member 15 of a rigid member 11, a heat-insulating material 12, and a heat-resisting material 13.

Abstract: An outer peripheral surface of a cylindrical cell is coated with a heat insulation material. A heat-resistant material is stacked radially outside the heat insulation material. An electrical insulation material is stacked radially outside the heat-resistant material. The order in which the heat insulation material, the heat-resistant material and the electrical insulation material are stacked one on top of another may be changed. A coating material other than the heat insulation material, the heat-resistant material and the electrical insulation material may be provided.

Abstract: The drying method performs drying the honeycomb formed article by such an arrangement that superheated steam or mixed gas of steam and hot air, temperature and humidity of which is regulated so that wet-bulb temperature thereof becomes 70° C. or higher, is made to pass through the cells of the honeycomb formed article. The drying apparatus includes a steam supply unit that supplies the superheated steam, a buffer chamber that aligns the superheated steam supplied from the steam supply unit, an upper chamber disposed above the buffer chamber to locate the honeycomb formed article, and a hood unit that recovers the superheated steam which has passed through the honeycomb formed article.

Abstract: A method of drying a honeycomb formed article, in which the honeycomb formed article can be dried in a short time while prohibiting occurrence of defects such as deformation, breakage and the like. There is provided a drying method of an unfired honeycomb formed article including raw material composition containing ceramics raw material, water, and binder, and having a plurality of cells, the cells being separated by partition walls to be passage of fluid, and electromagnetic wave drying is performed to dry the honeycomb formed article after the honeycomb formed article is preheated by steam.

Abstract: There is provided a method for drying a honeycomb formed article 1. The method has the first step, where an unfired honeycomb formed article 1 having a plurality of cells separated by partition walls made from raw material composition containing a ceramic raw material, water, and a binder is heated and dried by microwave drying or dielectric drying, and a second step, where the honeycomb formed article 1 is dried by hot air drying, where hot air whose humidity was adjusted to have a wet-bulb temperature of 50 to 100° C. using a hot air drying apparatus 11 after the first step is passed through the cells. The method can dry a honeycomb formed article in a shorter period of time with inhibiting generation of a defect such as a deformation or breakage.

Abstract: There is provided a method for drying a honeycomb formed article 1. The method has the first step, where an unfired honeycomb formed article 1 having a plurality of cells separated by partition walls made from raw material composition containing a ceramic raw material, water, and a binder is heated and dried by microwave drying or dielectric drying, and a second step, where the honeycomb formed article 1 is dried by hot air drying, where hot air whose humidity was adjusted to have a wet-bulb temperature of 50 to 100° C. using a hot air drying apparatus 11 after the first step is passed through the cells. The method can dry a honeycomb formed article in a shorter period of time with inhibiting generation of a defect such as a deformation or breakage.

Abstract: The drying method performs drying the honeycomb formed article by such an arrangement that superheated steam or mixed gas of steam and hot air, temperature and humidity of which is regulated so that wet-bulb temperature thereof becomes 70° C. or higher, is made to pass through the cells of the honeycomb formed article. The drying apparatus includes a steam supply unit that supplies the superheated steam, a buffer chamber that aligns the superheated steam supplied from the steam supply unit, an upper chamber disposed above the buffer chamber to locate the honeycomb formed article, and a hood unit that recovers the superheated steam which has passed through the honeycomb formed article.

Abstract: A method of drying a honeycomb formed article, in which the honeycomb formed article can be dried in a short time while prohibiting occurrence of defects such as deformation, breakage and the like. There is provided a drying method of an unfired honeycomb formed article including raw material composition containing ceramics raw material, water, and binder, and having a plurality of cells, the cells being separated by partition walls to be passage of fluid, and electromagnetic wave drying is performed to dry the honeycomb formed article after the honeycomb formed article is preheated by steam.

Abstract: There is disclosed formed ceramic article drying means capable of evenly and uniformly drying even a large formed ceramic article containing much moisture as a drying target for a short time without causing any crack or deformation, to efficiently obtain a dry formed ceramic article having a high quality with a satisfactory yield. There is provided a drying method of a formed ceramic article including the steps of subjecting an unfired formed ceramic article formed of a ceramic material as a main material to dielectric drying and then microwave drying.

Abstract: A laminated sheet made from a sheet roll that is formed by biaxially rolling a resin ingot includes a first sheet and a second sheet. The first sheet is cut out from one side of the sheet roll with respect to a center of a width (W) of the sheet roll. The first sheet has an outer surface which corresponds to a roll outer surface of the sheet roll. The second sheet is cut out from the one side of the sheet roll and has an inner surface which corresponds to a roll inner surface of the sheet roll. The first and second sheets are laminated so that the outer surface of the first sheet faces toward the inner surface of the second sheet.

Abstract: A primary printed wiring board includes: secondary printed wiring boards arranged in plural lines; main plated leads formed between the plural lines of secondary printed wiring boards; and auxiliary plated leads which connect patterns forming the secondary printed wiring boards to the main plated leads. In the primary printed wiring board, each main plated lead is zig-zagged to provide forward lines and backward lines which are laid respectively on both sides of a cutting line with respect to the pattern, and the auxiliary plated leads are connected to the backward lines.With the primary printed wiring board thus designed, the auxiliary plated leads can be isolated from one another without being processed by blanking. That is, by cutting the board along a predetermined cutting line or lines, the auxiliary plated leads can be separated from the main plated leads and isolated from one another.

Abstract: The present invention is to provide an electronic part mounting device including: a lamination body composed of a circuit board and a structural member; an electronic part attached in an opening formed in the lamination body; and an encapsulant layer to encapsulate the electronic part, wherein an outer circumferential line of the opening is arranged inside an outer circumferential line of the encapsulant layer. Due to the foregoing arrangement, in the electronic part mounting device of the present invention, even if the device is bent, the encapsulant layer to encapsulate the electronic part is engaged with the circuit board or the structural member arranged inside the outer circumferential line of the encapsulant layer, so that electronic parts are prevented from coming off. Further, the manufacturing process is simple. Therefore, the cost of the electronic part mounting device can be greatly reduced.

Abstract: An epoxy resin-impregnated glass cloth sheet having an adhesive layer provided on at least one side of the surface thereof, characterized in that (A) said epoxy resin-impregnated glass cloth sheet is formed by impregnating glass cloth with a curable epoxy resin composition and curing it, said curable epoxy resin composition comprising an epoxy resin represented by the following structural formula (I), a brominated epoxy resin and a curing agent for epoxy resin in such an amount that the content of the epoxy resin represented by the following structural formula (I) is 5 to 50% by weight based on the amount of the entire epoxy resins and the content of bromine atom is 14 to 30% by weight based on the combined amount of the entire epoxy resins and the curing agent for epoxy resin; and (B) said adhesive layer is composed of a curable epoxy resin composition comprising an epoxy resin represented by the following structural formula (I), a brominated epoxy resin, an acrylonitrile/butadiene copolymer having carboxyl