摘要:
A method for supporting a support to which a wafer is attached, by supporting the support against gravitational force by supporting three or more support points of an inner circumference section of a support surface of the support. The support surface of the support is opposite to a side on which the wafer is attached to the support.
摘要:
A vibration control apparatus of a wind turbine generator that can be installed in a small space inside a tower, without a weight increase of the tower, and that can change the natural frequency thereof is provided. Included is a swinging rod extending in the vertical direction and suspended from beams provided on an upper part of the tower via a first universal joint; a flange part extending outward from the upper end outer surface of the swinging rod in the radial direction along the circumferential direction; a pendulum including a bob attached to the swinging rod and capable of moving up and down in the vertical direction; and a plurality of attenuation devices each of whose upper end is attached to the beams with a second universal joint and whose lower end is attached to the flange part with a third universal joint.
摘要:
A projection display device is provided with a cooling section which supplies air drawn from an outside of the projection display device to a member to be cooled which is disposed in a main body cabinet to cool the member to be cooled; a filter section which removes unwanted matters from air drawn to the cooling section; and a filter housing portion which detachably houses the filter section therein. In this arrangement, the main body cabinet is formed with an opening which passes the filter section therethrough in detaching the filter section from the filter housing portion. Further, the filter housing portion is formed with a first space on an air flow-in side of the filter section. Furthermore, the opening has at least such a size that the first space communicates with the outside through the opening.
摘要:
A method for stripping a wafer from a supporting plate to which the wafer is adhered via an adhesive agent, wherein the supporting plate has a through hole penetrating the supporting plate in a thickness direction thereof, the method including dissolving the adhesive agent with a stripping solution by contacting the stripping solution with the adhesive agent via the through hole. The adhesive agent has a hydrocarbon resin as a viscous component, and the stripping solution is a hydrocarbon-based solvent having a viscosity of 1.3 mPa·s or less and a dissolving rate of 30 nm/sec or greater to dissolve the adhesive agent.
摘要:
The present invention provides cell populations that are enriched for mesendoderm and mesoderm, and cell populations that are enriched for endoderm. The cell populations of the invention are useful for generating cells for cell replacement therapy.
摘要:
An image display apparatus has a first exhaust fan (13) for mainly exhausting air from a light source unit (9) and discharging the air to the outside of the image display apparatus and a second exhaust fan (14) for mainly exhausting air from a power supply unit (11) and discharging the air to the outside of said image display apparatus. The inspiration face of the second exhaust fan is arranged to partly overlap the expiration face of the first exhaust fan. Accordingly, the internal temperature of the image display apparatus, and hence the temperature of the exhaust air, can be efficiently reduced, and at the same time fan noise of the fans can be reduced. As a result, uprating of power of the light source unit and downsizing of an image display apparatus can be simultaneously achieved.
摘要:
A grinding wheel formed on an outer peripheral surface with a grinding surface is attached to a grinding wheel spindle supported by axial active magnetic bearings and radial active magnetic bearings in a noncontact manner axially and radially and rotated by an electric motor. A casing is axially positioned and then is radially moved and a ground part of a workpiece is ground. Before the casing moves radially and the grinding wheel comes in contact with the workpiece, the stiffness value of the radial magnetic bearings is set to an initialization value lower than a value at the usual grinding time and after the grinding surface of the grinding wheel comes in contact with the workpiece, the stiffness value of the radial magnetic bearings is set to a value higher than the initialization value for grinding the workpiece.
摘要:
A projection type image display apparatus of the invention is equipped with a lamp cooling mechanism, which has a duct (121) for guiding the air sent from an air intake fan (12) in the forward direction from a position lateral to a lamp (16). The duct (121) has a curved wall (122) for directing the air in the duct (121) to the air intake port (164) formed near the open end of the lamp (16). The lamp cooling mechanism has a further guide plate (123) for spreading the air stream directed by the curved section (122) over the region from the tip (161b) to the luminous section (161a) of the lamp (16). As a consequence, relevant sections of the lamp (16) can be efficiently cooled, thereby simultaneously enabling uprating of power of the light source unit and downsizing and lightening of the image display apparatus without supplying the fan (12) with a large amount of power.
摘要:
In a turbo molecular pump having a rotor magnetically supported in a non-contact manner by a magnetic bearing, a pump controller has a magnetic bearing controller having a programmable digital signal processor. This digital signal processor not only controls the magnetic bearing, but also controls the heater, thus serving as a temperature regulator.
摘要:
An improved disk brake which provides both low dragging torque and good pedal feeling even on ABS-equipped vehicles with which the working fluid pressure is around or over 140 kgf/cm.sup.2. The disk brake has a piston seal fitted in a groove formed in the cylinder. The piston seal is deformed when the brake piston is advanced by fluid pressure to press the pad and retracts the piston by its spring-back force when the fluid pressure is released. The width W of chamfer provided at edge of the seal groove is set to 1.0 mm or over and the hardness of the piston seal is set to 75.degree. IRHD or over.