Hitachi Koki Co., Ltd.

Hitachi, Ltd.

Sumitomo Chemical Company, Limited

Hitachi-high-technologies Corporation

Hitachi Chemical Company, Ltd.

Koki Holdings Co., Ltd.

Eppendorf Himac Technologies Co., Ltd.

Hiroyuki Takahashi

Hisanobu Ooyama

Masahiro Inaniwa

Yoshitaka Niinai

Shoji Kusumoto

Yoshitaka Takezawa

Hidetaka Osawa

Takahiro Fujimaki

Shinya Tanaka

Hiroshi Hayasaka

Shinichi Haruki

Kenichi Tetsu

Yuki Hodotsuka

Kouichi Akatsu

Koji Nagata

Hajime Kawano

Haruo Yoda

Takeshi Taniguchi

Wen Zheng Li

Yasuhiro Gunji

Hidetoshi Satoh

Yuki Shimizu

Haruaki Sue

Shinichi Kosugi

Tadashi Ohkawara

Toshiyuki Suzuki

Naoki Hara

Hirokazu Ito

Takahiro Shimizu

Satoshi Numata

Takayuki Watahiki

Koji Unno

Hisafumi Imura

Junichiro Morisawa

Hisanobu Oyama

Sadato Igarashi

Kousuke Maeno

Yohichi Takahashi

Yasuaki Sugie

Provided is a centrifuge capable of improving user operability. The centrifuge has a rotor chamber and a door for opening and closing the rotor chamber, wherein the centrifuge includes a presence and absence detection part for detecting presence or absence of a rotor, a door locking mechanism capable of switching between a locked state for inhibiting opening of the door and an unlocked state for allowing opening of the door, and a first control part configured to perform an operation of setting the door locking mechanism to be the unlocked state when the rotor is accommodated in the rotor chamber and configured to set the door locking mechanism to be the unlocked state when an unlocking passcode is input.

Centrifuge having a control device for releasing doorlock by input of passcode

A centrifuge including a rotor, a rotor chamber having an opening, a motor, a door configured to close the opening, an input/output unit configured to receive an input of an operating condition and to display an operating status, and a housing accommodating therein the rotor, the rotor chamber, the motor, the door and the input/output unit, wherein the housing has the opening at an upper surface thereof, wherein a light emitting part having a horizontal width longer than the opening is provided in the vicinity of a corner portion at which the upper surface and a front surface of the housing intersect with each other or in the vicinity of a front side of the opening, and wherein a light emitting form of the light emitting part is configured to be changed depending on the operating status.

Centrifuge having light emitting part

Provided is a phenolic resin composition containing: an epoxy resin curing agent that contains a hydroxybenzene derivative represented by the following Formula (I) and a phenol resin having at least one partial structure selected from the group consisting of the following Formulae (IIa), (IIb), (IIc) and (IId); and an epoxy resin. In these Formulae, each of R, R, R, Rand Rindependently represents a hydroxy group, a hydrogen atom or an alkyl group; at least two of R, R, R, Rand Rare hydroxy groups; each Ar independently represents at least one group selected from the group consisting of the following Formulae (IIIa) and (IIIb); each of Rand Rindependently represents a hydrogen atom or a hydroxy group; and each of Rand Rindependently represents a hydrogen atom or an alkyl group. 

Phenolic resin composition

A centrifuge including: a rotor configured to hold a sample and configured to be detachably mounted, a rotation chamber accommodating the rotor, a plurality of motors configured to be rotationally driven by three-phase AC power, and a control device configured to control centrifuging operation, wherein one of the plurality of motors is a centrifuge motor configured to rotate the rotor, and the control device is configured to change distribution of power supplied to the centrifuge motor and power supplied to another motor of the plurality of motors during one operation.

Centrifuge having a plurality of inverters

A centrifuge includes: a driving unit; a rotor configured to be rotated by the driving unit and hold a sample; a control unit configured to control rotation of the driving unit; and a communication controller configured to communicate with an external network. The control unit has an automatic transmission mode in which operation data is collected at predetermined intervals while the centrifuge is operating and the operation data is periodically transmitted to a data managing apparatus through the network.

Centrifuge and centrifuge operation information collecting system

According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed.

Centrifuge with acceleration and deceleration time display

A centrifuge includes a rotor which accommodates a sample, a motor which rotationally drives the rotor and a chiller which cools a rotor chamber, and is provided with a transformer which has a plurality of secondary side taps, converts an AC voltage which is input from a primary side to a plurality of voltages, and outputs, and a voltage switching unit which is connected to the plurality of secondary side taps of the transformer, selects any one of outputs of the secondary side taps, and outputs to the chiller. The microcomputer controls the voltage switching unit corresponding to the power supply frequency which is determined using the output of the zero-crossing detection circuit, and supplies the desired driving voltage to the chiller.

Centrifuge and power controlling apparatus including a voltage switching unit

A centrifuge including: a rotor configured to be driven by a motor and to hold a sample, a centrifuge inverter, a chamber accommodating the rotor, a temperature sensor configured to detect the temperature of the chamber, a cooling machine configured to cool the chamber and including a compressor, a compressor inverter, a compressor motor configured to be controlled in a variable speed and a control device, wherein the control device carries out a feedback control of the compressor motor based on a preset temperature and a detected temperature of the temperature sensor when the rotation number of the compressor motor is larger than a predetermined rotation number, and the control device carries out an intermittent control for turning ON-OFF the cooling function of the compressor when the rotation number of the compressor motor is smaller than a predetermined rotation number.

Centrifuge with compressor motor feedback control device

A centrifuge capable of suppressing a long-time depressurization as compared with the case of starting depressurizing after cooling has been completed as well as shortening a cooling time of a rotor and a sample in the rotor is achieved as compared with the case of starting cooling is at the same time with depressurization. Operation of a Peltier element is started at the same time with operation start of the centrifuge. A bowl is cooled by heat absorption of the Peltier element, and the rotor is cooled by the bowl with using ambient air as a thermal medium. At this time, a vacuum pump depressurizing a rotor chamber is in an OFF state (ambient conditions). After a predetermined time is elapsed, the vacuum pump is turned on to start depressurization of the inside of the rotor chamber.

Centrifuge including depressurization unit and cooling unit that cooperate with each other

Technique capable of achieving shortening of settling time, which is caused by ringing, etc. of a blanking control signal is provided. A measuring/inspecting apparatus is configured to have a main blanking unit and a correction blanking control unit as a high-speed switching control unit of an electron beam. During the period of switching of a main blanking control signal from ON to OFF, a correction blanking control signal is applied in real time in synchronization with the switching. The ringing caused by the main blanking are corrected so as to be cancelled out by that, the settling time is shortened as a result.

Measuring/inspecting apparatus and measuring/inspecting method enabling blanking control of electron beam

A centrifuge includes a vacuum pump machine configured of an auxiliary vacuum pump and an oil diffusion pump for exhausting gas inside a rotary chamber to outside, in which a rotor rotates at high speed. In the centrifuge, a thermistor for detecting a temperature of oil and an oil surface inside a boiler of the oil diffusion pump is provided inside the boiler, and power of a heater is adjusted with the temperature detected by the thermistor, so that a degree of vacuum inside the rotary chamber is stably reduced from atmospheric pressure to a high vacuum state. Besides, when the heater does not heat, a current is carried through the thermistor for self-heating, and it is determined from variation in a resistance value whether the oil exists or not at a position at which the thermistoris placed.

Centrifuge with vacuum pump configured of auxiliary vacuum pump and oil diffusion pump

The operation rate of a circuit pattern inspecting apparatus is prevented from deteriorating by measuring image noise of the circuit pattern inspecting apparatus and detecting the sign that the apparatus is to be in an abnormal state. Provided is the circuit pattern inspecting apparatus wherein circuit pattern abnormalities are detected by irradiating a substrate having a circuit pattern formed thereon with an electron beam and detecting generated secondary electrons or reflected electrons. The circuit pattern inspecting apparatus is provided with: an image processing section wherein an image is generated based on the signal intensities of the detected secondary electrons or those of the reflected electrons and the image is displayed for a display apparatus of the interface; and a control section which analyzes the frequency of noise included in the image.

Circuit pattern inspecting apparatus, management system including circuit pattern inspecting apparatus, and method for inspecting circuit pattern

There is provided a centrifuge that includes a motor, a rotor chamber accommodating a rotor that is rotated by the motor, a vacuum pump that sucks air from the rotor chamber to reduce a pressure therein, a controller that controls the centrifuge to operate selectively in one of a normal centrifuge operation mode and a pulsed operation mode in which the rotor is rotated for a short time at a speed equal to or lower than a predetermined set value, and an interface device connected to the controller to input information regarding the operation mode of the centrifuge, wherein the controller controls the vacuum pump to turn on when the centrifuge operation mode is selected by the interface device and to turn off when the pulsed operation mode is selected.

Centrifuge with normal and pulsed operation modes

A centrifuge includes: a rotation room chamber for defining a rotation room; a lid for closing the rotation room; a locking mechanism configured by a hook for locking the lid in a closed state; a hook catch; a driving mechanism having a link mechanism which converts the rotary movement of the driving shaft portion into a reciprocal movement; and a detection portion for detecting the engagement of the hook with the hook catch in the closed state of the lid. The detection portion includes a disc member fixed to the driving shaft portion and has a concavo-convex outer peripheral surface and sensors for detecting the concave and convex portions. The driving mechanism moves in an interlocked manner with the rotation of the disc member. The positions of the concave and convex portions of the disc member correspond to the position where the hook engages.

Centrifuge with lid locking mechanism

A centrifuge including: a rotor rotating with a sample contained therein; a rotating shaft rotatably engaged with the rotor; a motor rotating the rotor and the rotating shaft; a belt transmitting rotational force of the motor to the rotating shaft; a rotor speed detecting unit detecting a rotation speed of the rotor; a motor speed detecting unit detecting a rotation speed of the motor; and a control unit controlling the motor, wherein the control unit calculates a signal for controlling the rotation speed of the rotor on the basis of a signal from the rotor speed detecting unit and controls the motor on the basis of a signal from the motor speed detecting unit and the calculated signal.

Centrifuge

Growing community of inventors

Ibaraki, Japan

Hiroyuki Takahashi