Abstract: This separator for a power storage device has a porous layer containing a polyolefin resin and surface-treated ionic compound. The ionic compound content of the porous layer is 5 to 99 mass %, and the degree of surface hydrophilicity of the ionic compound is 0.10 to 0.80.

Abstract: A separator for electricity storage devices, which comprises a porous layer that contains a polyolefin resin and an ionic compound, and which is configured such that: the content of the ionic compound in the porous layer is from 5% by mass to 99% by mass (inclusive); and the degree of whiteness of this separator is more than 98.0.

Abstract: A separator for electricity storage devices, which comprises a porous layer that contains a polyolefin resin and an ionic compound, and which is configured such that: the content of the ionic compound in the porous layer is from 5% by mass to 99% by mass (inclusive); and the degree of whiteness of this separator is more than 98.0.

Abstract: This separator for a power storage device has a porous layer containing a polyolefin resin and surface-treated ionic compound. The ionic compound content of the porous layer is 5 to 99 mass %, and the degree of surface hydrophilicity of the ionic compound is 0.10 to 0.80.

Abstract: A separator for electricity storage devices, which comprises a porous layer that contains a polyolefin resin and an ionic compound, and which is configured such that: the content of the ionic compound in the porous layer is from 5% by mass to 99% by mass (inclusive); and the degree of whiteness of this separator is more than 98.0.

Abstract: A wireless network control system includes a macrocell base station configured to form a macrocell, at least one small cell base station configured to form a small cell disposed within the macrocell, and a control apparatus including a controller configured to execute a process of acquiring a first value indicating a traffic state of a wireless terminal using the macrocell and a second value indicating a traffic state of a wireless terminal using the small cell, and a process of setting OFF the small cell when an added value of the first value and the second value falls within a predetermined range related to the macrocell.

Abstract: A polyolefin microporous membrane that can realize a lithium ion secondary battery having favorable resistance against foreign matters or the like, and high cycle characteristics at a high temperature is provided. The present invention provides a polyolefin microporous membrane having a ratio of tensile strength in a length direction to that in a width direction of 0.75 to 1.25, and a thermal shrinkage rate in the width direction at 120° C. of less than 10%.

Abstract: A wireless network control system includes a macrocell base station configured to form a macrocell, at least one small cell base station configured to form a small cell disposed within the macrocell, and a control apparatus including a controller configured to execute a process of acquiring a first value indicating a traffic state of a wireless terminal using the macrocell and a second value indicating a traffic state of a wireless terminal using the small cell, and a process of setting OFF the small cell when an added value of the first value and the second value falls within a predetermined range related to the macrocell.

Abstract: A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 ?m or less. A microporous membrane that is excellent in thickness uniformity and is favorably used as a separator for a lithium-ion secondary battery can be obtained from the microporous membrane winding.

Abstract: A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate compound as a main component.

Abstract: A polyolefin microporous membrane that can realize a lithium ion secondary battery having favorable resistance against foreign matters or the like, and high cycle characteristics at a high temperature is provided. The present invention provides a polyolefin microporous membrane having a ratio of tensile strength in a length direction to that in a width direction of 0.75 to 1.25, and a thermal shrinkage rate in the width direction at 120° C. of less than 10%.

Abstract: A semiconductor device includes a semiconductor substrate including a first surface and a second surface opposite to the first surface, and a through-via penetrating the semiconductor substrate. The through-via has a stacked structure of a first conductive film formed in a portion of the semiconductor substrate closer to the first surface, and a second conductive film formed in a portion of the semiconductor substrate closer to the second surface. An insulating layer is buried inside the semiconductor substrate. The first conductive film is electrically connected to the second conductive film in the insulating layer.

Abstract: A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 ?m or less. A microporous membrane that is excellent in thickness uniformity and is favorably used as a separator for a lithium-ion secondary battery can be obtained from the microporous membrane winding.

Abstract: A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate compound as a main component.

Abstract: A microporous membrane made of polyolefins which comprises polyethylene (PEA) 8-60 wt. % of which is accounted for by components having a molecular weight of 10,000 or lower and in which the ratio of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn), Mw/Mn, is 11-100 and the viscosity-average molecular weight (Mv) is 100,000-1,000,000 and polypropylene, and which has a content of components having a molecular weight of 10,000 or lower of 8-60 wt. %, a porosity of 20-95%, and a degree of thermal shrinkage at 100° C. of 10% or lower.

Abstract: A semiconductor device includes a semiconductor substrate including a first surface and a second surface opposite to the first surface, and a through-via penetrating the semiconductor substrate. The through-via has a stacked structure of a first conductive film formed in a portion of the semiconductor substrate closer to the first surface, and a second conductive film formed in a portion of the semiconductor substrate closer to the second surface. An insulating layer is buried inside the semiconductor substrate. The first conductive film is electrically connected to the second conductive film in the insulating layer.

Abstract: A polyolefin microporous membrane that can realize a lithium ion secondary battery having favorable resistance against foreign matters or the like, and high cycle characteristics at a high temperature is provided. The present invention provides a polyolefin microporous membrane having a ratio of tensile strength in a length direction to that in a width direction of 0.75 to 1.25, and a thermal shrinkage rate in the width direction at 120° C. of less than 10%.

Abstract: A polyolefin microporous film comprising polyethylene and polypropylene having a viscosity average molecular weight of 100,000 or higher, the polypropylene being contained in an amount of 4 wt % or more and the terminal vinyl group concentration per 10,000 carbon atoms in the polyolefin constituting the microporous film being 2 or more as measured by infrared spectroscopy. The microporous film has both of a good film breaking resistance and a low thermal shrinkage, is excellent in fuse property, and has a uniform film thickness. Particularly, the microporous film can retain safety in the oven safety test at 150° C. for a battery which is required for use as a lithium ion battery separator.

Abstract: It administers a plurality of wireless base stations grouped into a plurality of groups, and performs the processing about the management, control and maintenance of the wireless base stations selectively for each of the groups. This enables the efficient management, control and maintenance processing of the wireless base stations.

Abstract: The present invention provides a microporous polyolefin film having a thickness of 1 ?m (inclusive) to 50 ?m (inclusive), a porosity of 30% (inclusive) to 70% (inclusive), a piercing strength of 0.15 N/?m or more in terms of a film thickness of 1 ?m, tensile strengths in the length direction (MD tensile strength) and the width direction (TD tensile strength) of 30 MPa or more each, a thermal shrinkage in the width direction (TD thermal shrinkage) of 1% or less at 65° C., and a thermal shrinkage ratio in the length to width direction (MD/TD thermal shrinkage ratio) of more than 2 at 65° C. A process for producing the microporous film and a nonaqueous electrolyte secondary battery using the film are also provided.