Abstract: In order to analyze a solution component and a scatterer component in a liquid sample more quickly, there is provided an optical analysis device including a light source unit configured to irradiate a liquid sample with light; a first light receiving unit configured to receive transmitted light emitted from the light source unit and transmitted through the liquid sample; a second light receiving unit configured to receive scattered light emitted from the light source unit and scattered by a scatterer in the liquid sample; an ultrasonic irradiation unit configured to irradiate the liquid sample with an ultrasonic wave; a reflection plate configured to reflect the ultrasonic wave that is emitted from the ultrasonic irradiation unit and propagated through the liquid sample; and a control unit configured to control the light source unit, the first light receiving unit, the second light receiving unit, and the ultrasonic irradiation unit.

Abstract: It is possible to reduce a burden on a user in performing a spectroscopic analysis of a liquid sample. There is provided an analysis cell that is detachable and replaceable with respect to an analysis unit and accommodates a liquid sample, the analysis cell including a first wall surface pair that is made of a material transmitting a light, and a second wall surface pair for propagating an ultrasonic wave to the accommodated liquid sample, in which a first wall surface and a second wall surface forming the second wall surface pair and facing each other, are formed of materials having different acoustic impedances.

Abstract: To provide a reaction system capable of analyzing a liquid sample with high accuracy. To provide a reaction system A including: a reaction vessel 1, a flow channel 2 including a deformable unit 22 having an elastic member, a pump 3, a flow channel deformation mechanism 4, a measurement unit 5 and an analysis unit 6, wherein the measurement unit 5 includes a light source unit 52 and a light receiving unit 54, the flow channel deformation mechanism 4 includes an operation unit 42 for deforming the deformable unit 22 of the flow channel 2 such that a cross-sectional area of the deformable unit 22 is reduced, and the analysis unit 6 is electrically or physically connected to the measurement unit 5 and the flow channel deformation mechanism 4, and operates the flow channel deformation mechanism 4 based on a measurement result obtained by the measurement unit 5.

Abstract: An analysis system is provided which enables an optical analysis with high accuracy. An analysis system A in which light is radiated on a liquid sample to analyze the sample includes a reaction part 1 which includes a reaction tank 12, an inlet port 14, and an outlet port 16, an analysis part 2 which includes an analysis cell 22a, at least one light source part 24, and at least one light receiving part 26, and a flow path tube 3 which includes a first flow path 32 and a second flow path 34. A measurement part 222 of the analysis cell 22a includes a first measurement portion 2221 and a second measurement portion 2222, which have mutually different sectional areas.

Abstract: A turbid matter separating apparatus extracts turbid matter and a supernatant liquid separately from a suspension. The invention is directed to a turbid matter separating apparatus which includes a liquid container which includes a sediment discharge port and a supernatant liquid discharge port and is filled with a suspension containing turbid matter, a sediment valve which is provided in the sediment discharge port, a supernatant liquid valve which is provided in the supernatant liquid discharge port, an ultrasonic irradiator which irradiates the suspension filled in the liquid container with ultrasound, and a control unit which controls the sediment valve, the supernatant liquid valve, and the ultrasonic irradiator, the control unit being configured to control the sediment valve to discharge a sediment and controls a supernatant liquid valve to discharge a supernatant liquid after a predetermined time elapses since the irradiation with ultrasound by the ultrasonic irradiator is stopped.

Abstract: To perform more accurate analysis of a composition of a substance given at a sampling time, provided is an optical analysis apparatus, including: a flow passage, which is connected to a vessel, and is configured to allow a first substance to flow therethrough; an introduction unit, which is provided to the flow passage, and is configured to introduce at least two second substances to the flow passage, to thereby divide the first substance flowing through the flow passage; and a measurement unit, which is provided to the flow passage, and is configured to perform measurement by irradiating the first substance and the second substance flowing through the flow passage with light.

Abstract: A reaction vessel includes a vessel that accommodates a substance, a stirring device that stirs the substance, and a bypass that causes the substance to circulate outside the vessel, in which one end and the other end of the bypass are connected to the vessel in a position at which the substance circulates in the bypass when the substance is stirred by the stirring device.

Abstract: A bubble-jetting chip capable of jetting bubbles upward from a substrate is provided. Bubbles can be jetted upward from a substrate by a bubble-jetting chip comprising: at least a substrate, an energizing portion, and a bubble-jetting portion; the energizing portion being formed on the substrate; the bubble-jetting portion comprising an electrode that is formed of a conductive material, a shell part formed of an insulating photosensitive resin, and an extended section that extends from the shell part, the shell part covering a periphery of the electrode, the extended section extending beyond a tip of the electrode, and the bubble-jetting portion further comprising a space formed between the extended section and the electrode; and the electrode of the bubble-jetting portion being formed on the energizing portion.

Abstract: The present invention enables fabrication and mass production of a bubble-jetting chip that includes a desired number of bubble jetting portions of the same size having bubble-jetting outlets of the same size. Mass production is enabled by fabricating a bubble-jetting chip comprising a substrate and a bubble-jetting portion formed on the substrate, the bubble-jetting portion comprising: an electrode that is formed of a conductive material; an insulating portion that is formed of an insulating photosensitive resin, is provided so as to sandwich the electrode, and includes an extended section that extends beyond the tip of the electrode; and a space that is formed between the extended section of the insulating portion and the tip of the electrode.

Abstract: Provided is a technique capable of reducing power consumption at driving time in relation to a suspension processing device using an ultrasonic wave. A suspension processing device 1A is provided with a suspension processing unit 3A configured of a flow channel unit 30 in which a suspension flows, and a drive control unit 2A that controls driving of the suspension processing unit 3A. The suspension processing unit 3A has a first oscillator 40a and a second oscillator 40b provided in the flow channel unit 30. The drive control unit 2A includes a signal amplifier 22. A first oscillator 40a and a second oscillator 40b are electrically connected to each other via the signal amplifier 22, and the ultrasonic wave is generated between the first oscillator 40a and the second oscillator 40b.

Abstract: Provided is a technique capable of reducing power consumption at driving time in relation to a suspension processing device using an ultrasonic wave. A suspension processing device 1A is provided with a suspension processing unit 3A configured of a flow channel unit 30 in which a suspension flows, and a drive control unit 2A that controls driving of the suspension processing unit 3A. The suspension processing unit 3A has a first oscillator 40a and a second oscillator 40b provided in the flow channel unit 30. The drive control unit 2A includes a signal amplifier 22. A first oscillator 40a and a second oscillator 40b are electrically connected to each other via the signal amplifier 22, and the ultrasonic wave is generated between the first oscillator 40a and the second oscillator 40b.

Abstract: A suspension processing method using ultrasonic waves has problems in that movement of solids in liquid do not follow movement of the sound field. Accordingly, application to a field that requires a high suspension processing performance or a high flow rate process is difficult. In order to achieve the high suspension processing performance, a design of adopting a long and large oscillator and the like is required. A suspension processing device (30) of separating and concentrating a component of solids in suspension (1a) using ultrasonic waves, includes: at least one supply port (32) for supplying the suspension (1a) into the device; a channel (31) through which the suspension flows; at least two outlet ports (33 and 34) for discharging processed suspension (1a); an oscillator (35) for emitting ultrasonic waves; and a reflection plate (36) for reflecting the emitted ultrasonic waves.

Abstract: A suspension processing method using ultrasonic waves has problems in that movement of solids in liquid do not follow movement of the sound field. Accordingly, application to a field that requires a high suspension processing performance or a high flow rate process is difficult. In order to achieve the high suspension processing performance, a design of adopting a long and large oscillator and the like is required. A suspension processing device (30) of separating and concentrating a component of solids in suspension (1a) using ultrasonic waves, includes: at least one supply port (32) for supplying the suspension (1a) into the device; a channel (31) through which the suspension flows; at least two outlet ports (33 and 34) for discharging processed suspension (1a); an oscillator (35) for emitting ultrasonic waves; and a reflection plate (36) for reflecting the emitted ultrasonic waves.

Abstract: Embodiments of the present invention improve the efficiency of a cleaning process for cleaning a component part of a magnetic disk drive in a magnetic disk drive manufacturing line. According to one embodiment, a magnetic disk part cleaning apparatus is included in a head stack assembly (HSA) cleaning line for cleaning head stack assemblies of magnetic disk drives included in a magnetic disk drive manufacturing line. The magnetic disk part cleaning apparatus is disposed between a HSA assembly line for assembling a head stack assembly, and head disk assembly (HDA) assembly line for assembling a head disk assembly including the head stack assembly and is connected directly to at least either of the HSA assembly line and the HDA assembly line.