Abstract:
The present invention provides a compound selected from sulfated cellulose and salts thereof which can be used as an active ingredient for a cutaneous external preparation produced intending to prevent, soften, improve or cure atopic cutaneous symptoms and the like and which are excellent in a hydrolytic resistance, and dermatitis therapeutic agents and cosmetics using the same.
Abstract:
Disclosed is a method of readily removing particles from a stage, that is, a stage particle removing method for removing particles from a stage that holds a planar workpiece. A resin film is placed on the stage, and collected from the stage. The resin film is coated over at least one surface of the planar workpiece such as a semiconductor wafer or glass substrate. The resin film is brought into contact with the stage. The resin film may not be coated over the planar workpiece itself but may be coated over a dedicated planar piece shaped similarly to the planar workpiece, for example, a thin metallic plate that is very smooth. The used resin film is peeled off from the planar workpiece or dedicated planar piece, and the resin film is coated again. Thus, the planar workpiece or dedicated planar piece can be reused.
Abstract:
With using one scanning stage 19 where a plurality of wafers 16A to 16E is mounted through wafer holders 20A to 20E and balancing stage 21 disposed below scanning stage 19, scanning stage 19 is scanned based on exposure data common to a plurality of charged particle beam exposure apparatus 10A to 10E, and balancing stage 21 is scanned so that barycenter G of scanning stage 19 and balancing stage 21 becomes a fixed point. The positions of reflecting mirrors 70L and 70R secured to stage 19 are measured and based on their values, the expansion/contraction ratio of stage 19 and the positions of samples 16A to 16E are calculated to obtain deviation of the positions from target positions. Stage 19 is modeled such that rigid areas 19A to 19E are loosely connected, and for each area, the positions of three points are measured to calculate deviation of the exposure target position due to rotation of each ridged area. These deviations are corrected by deflectors 18A to 18D.
Abstract:
An X-Y stage includes a base having a first guide rail extending in a first direction, a stage having a second guide rail extending in a second direction perpendicular to the first direction, where the stage is movable with respect to the base in mutually perpendicular directions X and Y, and a slider arranged between the base and the stage and having a plurality of first wheels provided with respect to the first guide rail and rotatable under guidance of the first guide rail and a plurality of second wheels provided with respect to the second guide rail and rotatable under guidance of the second guide rail. The first wheels block a movement of the slider in the second direction by engaging the first guide rail when the stage moves in the second direction, and the second wheels block a movement of the slider in the first direction by engaging the second guide rail when the stage moves in the first direction. In addition, the slider is arranged in at least three locations.
Abstract:
The invention provides a metal salt of a crosslinked cellulose derivative represented by the following formula (I), wherein the degree of substitution of the hydroxyl group of glucose unit of the crosslinked cellulose derivative by a functional group a is 1 or more. R—O—A (I) {In the formula (I), R represents a crosslinked cellulose residue and A represents a functional group a having cation-exchange ability.}
Abstract:
The problem of the present invention is to provide a cosmetic composition, which has a moisturizing effect, and whose ability to inhibit hyaluronidase activity is high. According to the present invention, by using one or more substances selected from sulfated cellulose and a salt thereof in combination with polyhydric alcohol, the moisturizing effect of sulfated cellulose and the ability to inhibit hyaluronidase activity can be further improved, and thereby the above-described problem can be solved. In addition, the present invention can provide a cosmetic composition having excellent stability through inclusion of an electrolyte having pH buffering ability.
Abstract:
The present invention is a charged particle beam exposure apparatus comprising: a column portion in which an optical system for a charged particle beam is disposed; a chamber to be coupled with the column portion; a movable sample stage located in the chamber for mounting a sample thereon; and a stage position measurement device, having an optical path for measurement, along which a laser beam having a predetermined frequency is projected and is reflected by reflection means provided on the sample stage, and an optical path for reference, which in length almost equals a distance between a starting point of the optical path for measurement and the origin of the optical system in the column portion and for which the length is increased at a rate substantially consistent with a thermal expansion coefficient as material of the chamber is expanded, for measuring a change in position of the sample stage by employing a laser optical signal for measurement, which passes along the optical path for measurement, and a reference laser signal, which passes along the optical path for reference.