224results about How to "Stable play" patented technology

The invention provides a heat insulation / heat dissipation sheet and an intra-device structure. The purpose of the present invention is to efficiently dissipate heat generated from a heat generating component of an electronic device, a battery, a heat generating machine component or the like each having the heat generating component mounted on a circuit board or the like, while simultaneously preventing a component to be protected, which is adjacent to the heat generating component, from being heated and thereby being deteriorated in the performance, by suppressing transmission of the heat to the component to be protected. Therefore, specifically disclosed is a heat insulation / heat dissipation sheet, which is arranged between a heat generating component and a component to be protected that is adjacent to the heat generating component for the purpose of connecting the components with each other, and in which an adhesive layer or a heat conductive adhesive layer, a heat conductive layer, an adhesive layer or a heat insulating adhesive layer, a heat insulating layer, and an adhesive layer or a heat insulating adhesive layer are laminated in this order. In addition, an intra-device structure is obtained by bonding the heat conductive layer-side adhesive layer of the heat insulation / heat dissipation sheet to a heat generating component, while bonding the heat insulating layer-side adhesive layer to a component to be protected.

A liquid crystal composition according to the present invention can be used for, for example, a liquid crystal display element of an IPS type, a TN type or the like which is rapidly responsive and rarely undergoes the occurrence of display defects including a burn-in phenomenon and the formation of dropping marks. The liquid crystal composition comprises a dielectrically positive component containing a dielectrically positive compound and a dielectrically neutral component having a dielectric anisotropy degree of -2 to +2 exclusive, and has such excellent properties that the composition has a wide liquid crystal phase temperature range, has a small viscosity, has good solubility at a lower temperature, a high specific resistivity and a high voltage holding ratio, and is stable against heat and light.

Provided is a fixed type constant velocity universal joint wherein heat generation can be suppressed during high load operation or high speed rotation, resulting in improved durability, and wherein the contact resistance between the cage and the inner and outer races can be curbed, leading to improved constant velocity performance. The shaft direction offset of the center of curvature of a track groove (22) of an outside joint member and that of a track groove (25) of an inside joint member are zero. In the case of the outside joint member and the inside joint member, track grooves (22a, 22b, 25a, 25b), which are inclined reversely to each other with respect to the respective axes, are alternately formed in the circumferential direction. The outside diameter surface (24) of the inside joint member is a spherical surface which is in fitting contact with an inner spherical surface (28b) of the cage (28). The inside diameter surface (21) of the outside joint member is a cylindrical surface.

A multilayer piezoelectric element 20 includes a plurality of piezoelectric layers 11 and a plurality of inner electrode layers 12 alternately stacked, a first outer electrode 18 that electrically couples together every other inner electrode layers 12 in the lamination direction, and a second outer electrode 19 that electrically couples together the remaining inner electrode layers 12. The piezoelectric layers 11 are obtained by molding and firing a mixture containing a Pb component, a Zr component, a Ti component, a Sr component, a Nb component, and a Zn component. When the piezoelectric layers 11 are each represented by general formula Pb(Zr a Ti 1-a )O 3 + bSrO + cNbO 2.5 + dZnO, the relative amounts of the individual components, for example, satisfy the relationships a = 0.51, b = 2.0 × 10 -2 , c = 1.50 × 10 -2 , d = 0.5×10 -2 , and c / d = 3.0.

A liquid crystal composition including one or two or more compounds selected from the group consisting of compounds represented by general formula (i) shown below, and one or two or more compounds selected from the group consisting of compounds represented by general formula (ii) shown below. (In formulae, R i1 and R ii1 independently represent an alkyl group having 1 to 8 carbon atoms, and one -CH 2 - group or two or more -CH 2 - groups which are not adjacent to each other in the alkyl group may be independently substituted by -CH=CH-, -C‰¡C-, -O-, -CO-, -COO- or -OCO, and one or two or more hydrogen atoms in the alkyl group independently may be substituted by a fluorine atom or a chlorine atom; m i1 represents 0, 1 or 2; A i1 represents 1,4-phenylene group in which a hydrogen atom may be substituted by a fluorine atom or a chlorine atom, and when m i1 represents 2, A i1 may be the same or different; X i1 independently represents a hydrogen atom, a fluorine atom or a chlorine atom; m ii1 represents 0 or 1; X ii1 , X ii2 , X ii3 and X ii4 independently represent a hydrogen atom, a fluorine atom or a chlorine atom; and X ii5 represents a hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, -CF 3 or -OCF 3 .)