Abstract: The toner contains binder resin-containing toner particles and silica fine particle S1, wherein the weight-average particle diameter of the toner is 4.0-15.0 ?m, both inclusive, peaks originating with the silica fine particle S1 are observed in 29 Si-NMR measurement of the silica fine particle S1, and, in the spectrum obtained by 29Si CP/MAS NMR or 29Si DD/MAS NMR, the peak area of a peak corresponding to the D1 unit structure in the silica fine particle S1, the peak area of a peak corresponding to the D2 unit structure in the silica fine particle S1, and the peak area of a peak corresponding to the Q unit structure in the silica fine particle S1 satisfy a prescribed relationship.

Abstract: One pixel unit including at least one light receiving element of a light receiving element array (photodiode array) and a light source have a one-to-one correspondence, and only when the light source emits light, the light beam is detected by at least one light receiving element (one pixel unit) corresponding to the light source. An illumination optical system includes a light guiding means for guiding to an inspection object by reducing an interval between optical axes of light beams emitted from a plurality of light sources in an arrangement direction of a plurality of the light sources.

Abstract: A ventilation fan includes: first and second electronic components attached to a back surface of a flange; a third electronic component including a claw portion on an outer portion of the third electronic component and attached to the back surface of the flange; internal wiring routed on the back surface of the flange and connecting the first and second electronic components; and a retention portion including: a first rib protruding from the back surface of the flange in a perpendicular direction to the back surface of the flange; and a second rib protruding from a side face of the first rib in a direction parallel with the plane direction of the back surface of the flange or protruding toward the back surface of the flange, the retention portion retaining the internal wiring between the undersurface of the second rib and the back surface of the flange.

Abstract: A ventilation fan includes: first and second electronic components attached to a back surface of a flange; a third electronic component including a claw portion on an outer portion of the third electronic component and attached to the back surface of the flange; internal wiring routed on the back surface of the flange and connecting the first and second electronic components; and a retention portion including: a first rib protruding from the back surface of the flange in a perpendicular direction to the back surface of the flange; and a second rib protruding from a side face of the first rib in a direction parallel with the plane direction of the back surface of the flange or protruding toward the back surface of the flange, the retention portion retaining the internal wiring between the undersurface of the second rib and the back surface of the flange.

Abstract: The present invention provides a rubber composition for an undertread, which has improved in processability, fuel economy, and tensile properties in a balanced manner, and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for an undertread, including: a rubber component containing a modified natural rubber having a phosphorus content of 200 ppm or less; and carbon black and/or a white filler, wherein the modified natural rubber is contained in an amount of 5% by mass or more per 100% by mass of the rubber component.

Abstract: The invention provides a rubber composition that can enhance fuel economy, wet-grip performance, abrasion resistance, and handling stability in a balanced manner, and a pneumatic tire using this composition.

Abstract: The present invention provides a rubber composition for an undertread, which has improved in processability, fuel economy, and tensile properties in a balanced manner, and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for an undertread, including: a rubber component containing a modified natural rubber having a phosphorus content of 200 ppm or less; and carbon black and/or a white filler, wherein the modified natural rubber is contained in an amount of 5% by mass or more per 100% by mass of the rubber component.

Abstract: The invention provides a rubber composition that can enhance fuel economy, wet-grip performance, abrasion resistance, and handling stability in a balanced manner, and a pneumatic tire using this composition.

Abstract: The present invention provides a rubber composition capable of enhancing the fuel economy, wet-grip performance, abrasion resistance, handling stability, and processability in a balanced manner, and a pneumatic tire using this rubber composition.

Abstract: The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a compound represented by formula (1) below, wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component.

Abstract: A photomask material which has high-definition image reproducibility and gives a photomask having good image strength, heat resistance and durability against light (ultraviolet light) and which is for use to form a circuit pattern etc., and a method of effectively processing the above photomask material. The photomask material comprises has at least a silver halide emulsion layer and a physical development center layer on a glass substrate, the physical development center layer being formed between the glass substrate and the silver halide emulsion layer, and gives a photomask having a metal silver image having a thickness of 1 &mgr;m or less formed on the glass substrate and having a maximum optical density of at least 1.

Abstract: A solidifying agent comprising slag dust from the refining of metals, silicates, water-soluble, high molecular weight compounds, metal salts of an organic acid and calcium carbonate. The solidifying agent is useful for solidifying liquid organic halogenides into solid composites containing organic halogenides. The organic halogenides are disposed of by a burning method which comprises converting the organic halogenides to vapors and disposing the organic halogenides by burning the vapors.