Abstract: A reaction vessel capable of measuring a light amount from a reaction liquid without degrading a function of maintaining the reaction vessel at a predetermined temperature is provided. A reaction vessel including a cylindrical shape centered on a first axis, in which an overall length in a first axis direction is longer than an overall length in a second axis direction and an overall length in a third axis direction, the second axis being perpendicular to the first axis and the third axis being perpendicular to the first axis and the second axis. The reaction vessel includes: an opening part which dispenses a liquid at a portion on one end side in the first axis direction; a first flat surface and a second flat surface which is substantially parallel to the first flat surface.

Abstract: There is provided an automatic analyzer that keeps a temperature of alight emitting element of alight source constant and has high accuracy analysis performance. A light source for an automatic analyzer includes: a substrate including a light source; a temperature adjustment unit configured to adjust a temperature of the light source; a first optical element configured to emit light from the light source to an outside; and a member configured to cover the light source, in which the temperature adjustment unit, the substrate, the member, and the first optical element are arranged in this order, the optical element is assembled so as to be accommodated in the member, and the temperature adjustment unit puts the light source, the member, and the optical element under the same temperature control.

Abstract: A wafer processing method for processing a wafer having a chamfered portion formed at a periphery thereof includes a tape attaching step of attaching a protective tape to a front surface of the wafer and making a diameter of the protective tape coincide with a diameter of the wafer; a grinding step of grinding a back surface of the wafer held by a holding table with use of grinding stones so as to thin the wafer to a thickness thinner than half of an original thickness, to reduce the diameter of the wafer, and to form a protruding portion where the protective tape protrudes from the wafer; and a contracting step of heating and contracting the protruding portion of the protective tape after the grinding step is carried out.

Abstract: This invention is capable of improving performance of a biochemical analyzer and facilitating the maintenance. A light source includes: a first LED that emits ultraviolet light and a second LED that has a light emission spectrum different from that of the first LED, the first LED and the second LED being disposed in parallel; a reflection surface that is opposite to the first LED and reflects light of the first LED; and a dichroic surface that is opposite to the second LED, reflects light of the first LED, and allows light of the second LED to penetrate.

Abstract: A broadband light source device in a biochemical analyzing device, and facilitates maintenance thereof, including an LED substrate that is provided with an LED chip generating a light beam having a first wavelength band and including a fluorescent substance in the light beam having a first wavelength band and that is provided with an LED chip generating a light beam having a second wavelength band, in which the fluorescent substance includes at least alumina and at least one of Fe, Cr, Bi, Tl, Ce, Tb, Eu, and Mn and is produced by calcining a raw material that contains sodium at 6.1 to 15.9 wt. % in the whole raw material. The broadband light source device further includes an optical system including a light pipe that color-mixes the light beam passing through the fluorescent substance of the LED chip and the light beam emitted from the LED chip, and a flat dichroic prism.

Abstract: A fuel cell fluid machine includes a rotary shaft, an electric motor, a compression unit, and a rotation assist unit. The rotation assist unit includes a turbine wheel and a turbine housing. Exhaust gas discharged from a fuel cell stack is introduced to the turbine chamber. The exhaust gas then flows in the radial direction of the rotary shaft and is discharged in the axial direction of the rotary shaft. This rotates the turbine wheel. A diameter of the turbine wheel and a diameter of the shroud surface gradually increase from an upstream side to a downstream side in a flowing direction of the exhaust gas.

Abstract: To provide an automatic analyzer in which a reaction container can be smoothly inserted into a hole of an incubator. An automatic analyzer 100 analyzing a sample includes: an incubator 105 having a hole 202 into which a reaction container 114 containing a mixture of the sample and a reagent is to be inserted; and a transfer unit 109 configured to transfer an unused reaction container 114 to the incubator 105 and insert the reaction container 114 into the hole 202. A lubricating member 203 having a self-lubricating property is provided at an inlet port of the hole 202.

Abstract: Provided is an automatic analyzer capable of appropriately controlling most of the temperature of an incubator even when local temperature fluctuation occurs. An automatic analyzer for analyzing a specimen includes an incubator for holding a plurality of vessels that store a mixed liquid of the specimen and a reagent, a heat source for heating or cooling the incubator, a plurality of temperature sensors provided at different positions of the incubator and measuring the temperature, and a control unit for controlling an output of the heat source based on a difference between a target temperature and the highest temperature or the lowest temperature among the measured temperatures of the temperature sensors.

Abstract: Provided is an automatic analysis device capable of obtaining a stable light intensity over a wide wavelength band by multiplexing a plurality of LED lights and adjusting the temperature characteristics of each LED element. The automatic analysis device according to the present disclosure is configured such that light emitted from a second LED is reflected to be multiplexed on the same optical axis as the light emitted from a first LED, and the first LED and the second LED are in contact with the same temperature adjustment member.

Abstract: A method of processing a plate-shaped workpiece is provided. The method includes the steps of sticking a protective member to a face side of the workpiece, holding the face side of the workpiece on a holding surface of a chuck table with the protective member interposed therebetween, grinding a reverse side of the workpiece held on the chuck table to thin the workpiece by rotating a grinding wheel including grinding stones that contain abrasive grains, while a grinding fluid is being supplied from a grinding fluid supply nozzle to the reverse side of the workpiece, and after the step of grinding the reverse side of the workpiece, treating the workpiece or the grinding stones by rotating the grinding wheel and bringing the grinding stones into contact with the reverse side of the workpiece, while stopping supplying the grinding fluid from the grinding fluid supply nozzle.

Abstract: An endoscope cap includes: a hood portion attached to a distal end portion of an endoscope; a cap portion connected to a distal end of the hood portion, having an abutting surface against which the endoscope is abutted in a state of the endoscope being inserted into the hood portion, and protruding from the distal end of the hood portion; a channel tube into which an elongated device is inserted; and a coupling member for coupling the device with the hood portion, the member being supported by the hood portion and extending along the hood portion. The hood portion has a pair of support holes into which the member is inserted. The member is pivotable with respect to the hood portion, with the individual support holes serving as fulcrums. The holes are formed at positions closer to a proximal end of the hood portion than the abutting surface is.

Abstract: This invention is capable of improving performance of a biochemical analyzer and facilitating the maintenance. A light source includes: a first LED that emits ultraviolet light and a second LED that has a light emission spectrum different from that of the first LED, the first LED and the second LED being disposed in parallel; a reflection surface that is opposite to the first LED and reflects light of the first LED; and a dichroic surface that is opposite to the second LED, reflects light of the first LED, and allows light of the second LED to penetrate.

Abstract: A wafer processing method for processing a wafer having a chamfered portion formed at a periphery thereof includes a tape attaching step of attaching a protective tape to a front surface of the wafer and making a diameter of the protective tape coincide with a diameter of the wafer; a grinding step of grinding a back surface of the wafer held by a holding table with use of grinding stones so as to thin the wafer to a thickness thinner than half of an original thickness, to reduce the diameter of the wafer, and to form a protruding portion where the protective tape protrudes from the wafer; and a contracting step of heating and contracting the protruding portion of the protective tape after the grinding step is carried out.

Abstract: A reaction vessel capable of measuring a light amount from a reaction liquid without degrading a function of maintaining the reaction vessel at a predetermined temperature is provided. A reaction vessel including a cylindrical shape centered on a first axis, in which an overall length in a first axis direction is longer than an overall length in a second axis direction and an overall length in a third axis direction, the second axis being perpendicular to the first axis and the third axis being perpendicular to the first axis and the second axis. The reaction vessel includes: an opening part which dispenses a liquid at a portion on one end side in the first axis direction; a first flat surface and a second flat surface which is substantially parallel to the first flat surface.