Abstract: Provided is a glass composition including tin oxide, wherein a content of the tin oxide is, in mass %, 0.1?T-SnO2?2.5, where T-SnO2 represents total tin oxide calculated as SnO2. The glass filler formed of this glass composition may be a flaky glass, a chopped strand, a milled fiber, glass powder, a glass bead, a flat fiber, a thin glass piece, or the like. This glass composition is suitable for stably manufacturing, for example, a glass filler.

Abstract: Provided is a glass composition including the following components in mass %: 45?SiO2?80; 10?B2O3?40; 0.1?Al2O3?20; 0.1?(MgO+CaO)?10; 0?(Li2O+Na2O+K2O)?5; and 0.1?T-SnO2?2, where T-SnO2 represents total tin oxide calculated as SnO2, wherein 0?MgO/(MgO+CaO)?0.50 is satisfied on a mass basis. This glass composition is suitable for stably manufacturing a low-permittivity glass fiber.

Abstract: A provided glass composition includes, in mass %: 50?SiO2?65; 20?B2O3?30; and 5?Al2O3?20, and further includes: at least one selected from the group consisting of MgO and CaO; and at least one selected from the group consisting of Li2O, Na2O, and K2O. In the glass composition, 0.1?(MgO+CaO)<5, 0?(Li2O+Na2O+K2O)?4, and 0.50<MgO/(MgO+CaO)?1.00 are satisfied. The glass composition is suitable for manufacturing a glass filler that has a low permittivity and that can exhibit an excellent water resistance.

Abstract: A glass filler of the present disclosure includes glass having a composition, the composition including iron oxide. For the content in mass % of the iron oxide in the composition, 0.005?FeO?0.30 and 0.01?T-Fe2O3?0.80 (T-Fe2O3 represents total iron oxide calculated as Fe2O3) are satisfied. For the iron oxide in the composition, Fe2+/(Fe2++Fe3+), which represents the proportion by mass of Fe2+ to total iron, is 0.15 or more and 1.00 or less. The glass filler of the present disclosure is a glass filler having a new composition including a coloring component, the glass filler having a high visible transmittance and a controlled color which can be, for example, within a range of colors different from those of conventional glass fillers that have a low visible transmittance.

Abstract: A heat treatment method for an additive manufactured object formed of a laminate-molded Ni-base alloy includes: a heat treatment step for carbide precipitation optimization of heating the additive manufactured object for 1 hour or longer and 100 hours or shorter at a temperature which is equal to or higher than a temperature T1 determined by Formula (1) according to amounts of component elements and is equal to or lower than 1,350° C.; and an aging treatment step of heating the additive manufactured object for 1 to 30 hours at a temperature of 800° C. to 950° C. after the heat treatment step for carbide precipitation optimization. T1 (° C.

Abstract: A glass filler of the present disclosure includes glass having a composition, the composition including iron oxide. For the content in mass % of the iron oxide in the composition, 0.005?FeO?0.30 and 0.01?T-Fe2O3?0.80 (T-Fe2O3 represents total iron oxide calculated as Fe2O3) are satisfied. For the iron oxide in the composition, Fe2+/(Fe2++Fe3+), which represents the proportion by mass of Fe2+ to total iron, is 0.15 or more and 1.00 or less. The glass filler of the present disclosure is a glass filler having a new composition including a coloring component, the glass filler having a high visible transmittance and a controlled color which can be, for example, within a range of colors different from those of conventional glass fillers that have a low visible transmittance.

Abstract: Provided is a golf shaft, capable of ensuring bending rigidity required for a golf club and providing good hit feeling in a composite shaft with 50 g-130 g. The golf shaft comprises an element tube made of metal, an outer layer made of a fiber reinforced plastic and covering an outer periphery of the element tube over an entire length of the element tube in an axial direction, an adhesive layer interposed between the element tube and the outer layer to bond between the element tube and the outer layer, wherein weight of a whole including the element tube, the outer layer, and the adhesive layer is 50 g-130 g, and weight of the element tube is 50%-90% of the weight of the whole.

Abstract: Provided is a golf shaft comprising an element tube made of steel, a plating layer formed on an outer periphery of the element tube, an outer layer covering the plating layer, an adhesive layer interposed between the plating layer and the outer layer to bond between the plating layer and the outer layer. The outer layer is formed of a fiber reinforced plastic having a matrix resin that is an epoxy resin, and the adhesive layer is an epoxy resin composition or a carbon nano tube resin composition, the epoxy resin composition comprising an epoxy resin and a mixed curing agent in which two or more kinds of amine-based curing agents are mixed, and the carbon nano tube resin composition comprising an epoxy resin and at least one kind of curing agents as well as dispersed carbon nano tubes.

Abstract: Provided is a production method for a magnetoresistive element including treating a stacked layer into a predetermined shape. The stacked layer includes a magnetoresistive layer whose resistance changes depending on a magnetic field and a cap layer above the magnetoresistive layer and having a thickness in a range of 10 nm to 60 nm. The method further includes covering and protecting the stacked layer with an insulating layer, forming an opening in the insulating layer by reactive etching and exposing a surface of the cap layer at the opening, etching the cap layer in a range less than a total thickness of the cap layer by ion milling of the surface, and depositing an upper layer to be a part of the magnetoresistive element. The upper layer is in contact with the surface of the cap layer after the etching.

Abstract: A bookbinding machine calculates a rotational speed coefficient, which represents the percent change of a rotational speed of a pump 6 relative to the reference rotational speed of the pump, depending on a thickness of a book block P to be bound and a conveying speed of a clamper by use of a first function defining a relationship between the thickness of the book block and the rotational speed coefficient and a second function defining a relationship between the rotational speed coefficient and the conveying speed of the clamper, calculates the set value of the rotational speed of the pump based on the rotational speed coefficients and the reference rotational speed, and sets the rotational speed of the pump according to the set value of the rotational speed.

Abstract: A method for producing a tunnel magnetoresistive element includes a stacking step, then in-magnetic field heating, and then dry etching. The stacking includes stacking a B absorption layer which is in contact with an upper surface of a CoFeB layer. The dry etching includes removal of layers to the B absorption layer. An end of etching is set as an end point time detected by an analysis device when a final layer before the B absorption layer directly above the CoFeB layer is exposed has reduced to a prescribed level, or when the B absorption layer directly above the CoFeB layer has increased to the prescribed level. An amount of over-etching after the end point time is specified in advance, and the B absorption layer is stacked such that the thickness from the prescribed level to the upper surface of the CoFeB layer corresponds to the over-etching amount.

Abstract: A bookbinding machine calculates a rotational speed coefficient, which represents the percent change of a rotational speed of a pump 6 relative to the reference rotational speed of the pump, depending on a thickness of a book block P to be bound and a conveying speed of a clamper by use of a first function defining a relationship between the thickness of the book block and the rotational speed coefficient and a second function defining a relationship between the rotational speed coefficient and the conveying speed of the clamper, calculates the set value of the rotational speed of the pump based on the rotational speed coefficients and the reference rotational speed, and sets the rotational speed of the pump according to the set value of the rotational speed.

Abstract: Provided is a golf shaft comprising an element tube made of steel, a plating layer formed on an outer periphery of the element tube, an outer layer covering the plating layer, an adhesive layer interposed between the plating layer and the outer layer to bond between the plating layer and the outer layer. The outer layer is formed of a fiber reinforced plastic having a matrix resin that is an epoxy resin, and the adhesive layer is an epoxy resin composition or a carbon nano tube resin composition, the epoxy resin composition comprising an epoxy resin and a mixed curing agent in which two or more kinds of amine-based curing agents are mixed, and the carbon nano tube resin composition comprising an epoxy resin and at least one kind of curing agents as well as dispersed carbon nano tubes.

Abstract: A heat treatment method for an additive manufactured object formed of a laminate-molded Ni-base alloy includes: a heat treatment step for carbide precipitation optimization of heating the additive manufactured object for 1 hour or longer and 100 hours or shorter at a temperature which is equal to or higher than a temperature T1 determined by Formula (1) according to amounts of component elements and is equal to or lower than 1,350° C.; and an aging treatment step of heating the additive manufactured object for 1 to 30 hours at a temperature of 800° C. to 950° C. after the heat treatment step for carbide precipitation optimization. T1 (° C.

Abstract: A tunnel magnetic resistance element includes the following, a fixed magnetic layer with a fixed direction of magnetization, a free magnetic layer in which the direction of magnetization changes, and an insulating layer which is positioned between the fixed magnetic layer and the free magnetic layer. The fixed magnetic layer, the free magnetic layer, and the insulating layer form a magnetic tunnel junction. A resistance of the insulating layer changes by a tunnel effect according to a difference in an angle between the direction of magnetization of the fixed magnetic layer and the direction of magnetization of the free magnetic layer. The free magnetic layer includes a ferromagnetic layer, a soft magnetic layer, and a magnetic bonding layer placed in between. Material of the magnetic bonding layer include Ru or Ta, and a layer thickness is 1.0 nm to 1.3 nm.

Abstract: A method for producing a tunnel magnetoresistive element includes a stacking step, then in-magnetic field heating, and then dry etching. The stacking includes stacking a B absorption layer which is in contact with an upper surface of a CoFeB layer. The dry etching includes removal of layers to the B absorption layer. An end of etching is set as an end point time detected by an analysis device when a final layer before the B absorption layer directly above the CoFeB layer is exposed has reduced to a prescribed level, or when the B absorption layer directly above the CoFeB layer has increased to the prescribed level. An amount of over-etching after the end point time is specified in advance, and the B absorption layer is stacked such that the thickness from the prescribed level to the upper surface of the CoFeB layer corresponds to the over-etching amount.

Abstract: Provided is a production method for a magnetoresistive element including treating a stacked layer into a predetermined shape. The stacked layer includes a magnetoresistive layer whose resistance changes depending on a magnetic field and a cap layer above the magnetoresistive layer and having a thickness in a range of 10 nm to 60 nm. The method further includes covering and protecting the stacked layer with an insulating layer, forming an opening in the insulating layer by reactive etching and exposing a surface of the cap layer at the opening, etching the cap layer in a range less than a total thickness of the cap layer by ion milling of the surface, and depositing an upper layer to be a part of the magnetoresistive element. The upper layer is in contact with the surface of the cap layer after the etching.

Abstract: A glass filler of the present disclosure includes glass having a composition, the composition including iron oxide. For the content in mass % of the iron oxide in the composition, 0.005?FeO?0.30 and 0.01?T-Fe2O3?0.80 (T-Fe2O3 represents total iron oxide calculated as Fe2O3) are satisfied. For the iron oxide in the composition, Fe2+/(Fe2++Fe3+), which represents the proportion by mass of Fe2+ to total iron, is 0.15 or more and 1.00 or less. The glass filler of the present disclosure is a glass filler having a new composition including a coloring component, the glass filler having a high visible transmittance and a controlled color which can be, for example, within a range of colors different from those of conventional glass fillers that have a low visible transmittance.

Abstract: Provided is a method for manufacturing a metal molded article capable of suppressing leaching of a molten liquid that may be created due to heat treatment of a metal member, from the metal member. The method for manufacturing a metal molded article includes the steps of: applying a ceramic coating to a metal member; and performing heat treatment of the metal member to which the ceramic coating has been applied.

Abstract: A method for manufacturing a core (S1) includes: a coating step (S20) of adding an organic binder to a large particle group composed of silica-containing large particles, and coating surfaces of the large particles with the organic binder; a mixing step (S30) of mixing, after the coating step (S20), the large particle group and a small particle group composed of silica-containing small particles having a smaller particle size than the large particles; a laminate shaping step (S40) of forming, after the mixing step (S30), a molding in which a mixture of the large and small particle groups is used; and a sintering step (S60) of sintering the molding after the laminate shaping step (S40).