Sumitomo Electric Industries, Limited

Renesas Electronics Corporation

Astellas Pharma Gmbh

Hitachi-high-technologies Corporation

Hitachi High-tech Corporation

Yamanouchi Pharmaceutical Company Ltd.

Other

Hitachi, Ltd.

Masaaki Hirano

Takashi Sasaki

Tetsuya Haruna

Yoshiaki Tamura

Masashi Onishi

Tetsuya Nakanishi

Yoshinori Yamamoto

Takatoshi Kato

Atsushi Inoue

Tomoyuki Yokokawa

Eiji Kawaminami

Eiji Yanada

Yuki Kawaguchi

Toshiaki Okuno

Toshiyuki Kusayama

Isao Kinoyama

Minoru Okada

Hiroyuki Moritomo

Akira Toyoshima

Shunichiro Matsumoto

Yoshio Yokoyama

Kei Ohnuki

Kunihiko Nishiyama

Nobuyuki Taira

Kazumasa Makihara

Takemi Hasegawa

Akihiro Yasui

Norio Seki

Toshiki Taru

Hideyuki Ijiri

Masakazu Takami

Ryutaro Wakayama

Kazuyoshi Obitsu

Masayuki Nishimura

Motoki Kakui

Tatsuya Niimi

Kazuhiro Nakamura

Akihisa Makino

Yuichi Ohga

Takamichi Mori

Takashi Kamikubo

Hirofumi Yamamoto

Shuichi Sakamoto

Motonori Nakamura

Kazuyuki Sohma

Tadashi Enomoto

Mitsuaki Ohta

Masashi Fukaya

Eiichiro Takada

Hirotaka Sakuma

Takanori Koike

Takashi Furutani

Itsuro Shimada

Tetsufumi Tsuzaki

Akio Kamikawa

Tomomi Moriya

Shin-ichi Tsukamoto

Yoshihiro Saito

Akira Matsuhisa

Hiroyuki Hisamichi

Masakazu Imamura

Takahiro Ando

Akio Kakefuda

Masamichi Okada

Kentaro Enjo

Yutaka Kondoh

Tatsuhisa Takahashi

Tomoyuki Yasunaga

Nobuaki Taniguchi

Osamu Kasuu

Tetsuhiro Koyama

Takashi Shin

Masahiro Yamaguchi

Maki Ikeji

Akira Tada

Jun-ichi Shishikura

Masafumi Shimada

Toru Adachi

Hideki Yamaguchi

Toru Kawanishi

Tomohiko Yamaguchi

Chiaki Kumahara

Kenichi Suzumura

Yoji Miyazaki

Saori Chida

Hiroshi Inami

Kazuhiko Osoda

Tadashi Teranuma

Kazushige Ohno

Shirou Katayama

Hiroshi Koutoku

Eisuke Nozawa

Kiyohiro Samizu

Shuichiro Kato

Masaki Tsuruga

Yasushi Amano

Maki Ikechi

Nobuhiro Hikichi

Tetsuya Hanura

An object of the present invention is to provide a dispensing device capable of preventing bubbles from jumping out of a nozzle and realizing highly accurate dispensing even though the nozzle is moved at a high speed toward a liquid level and is decelerated and stopped at a high acceleration. The dispensing device according to the present invention starts suction of a liquid in a period from when a nozzle starts to be lowered toward a liquid level of the liquid to when an end portion of the nozzle comes into contact with the liquid level of the liquid and the lowering of the nozzle is stopped (see FIG.).

Dispensing device, automated analysis device, and dispensing method

In this invention, there are cleaning positions, andwhere cleaning tanks, anddischarge cleaning water onto the surfaces of nozzles, andand drying positions, andwhere the cleaning water adhered to the surfaces of the nozzles, andis sucked up. During movement from the cleaning positions, andfor the nozzles, andto the drying positions, andfor the nozzles, and, a control devicecauses system water to be discharged from the nozzles, andfor a first time, and during the sucking up of the cleaning water on the surfaces of the nozzles, andat the drying positions, and, the control devicecauses the system water to be discharged from the nozzles, andfor a second time. As a result, it is possible to effectively remove adhered water drops during nozzle cleaning.

Automated analyzer and cleaning method

Provided is an optical fiber having identification mark, which includes an optical transmission medium (exemplified by glass fiber) including a core part and a cladding part, a primary resin layer coating the optical transmission medium, and a secondary resin layer coating the primary resin layer, in which identification marks for optical fiber identification (exemplified by continuous identification mark) are provided on a surface of the secondary resin layer at a predetermined interval along an axial direction of the optical transmission medium. An effective area of the optical transmission medium at a wavelength of 1550 nm is 90 &#x3bc;mor more, the predetermined interval is 100 mm or more and 500 mm or less, and a Young's modulus of the primary resin layer is 0.9 MPa or less.

Optical fiber having identification mark and manufacturing method for optical fiber having identification mark

The present invention relates to a method of manufacturing an optical fiber preform for obtaining an optical fiber with low transmission loss. A core preform included in the optical fiber preform comprises three or more core portions, which are each produced by a rod-in-collapse method, and in which both their alkali metal element concentration and chlorine concentration are independently controlled. In two or more manufacturing steps of the manufacturing steps for each of the three or more core portions, an alkali metal element is added. As a result, the mean alkali metal element concentration in the whole core preform is controlled to 7 atomic ppm or more and 70 atomic ppm or less.

Method of manufacturing optical fiber preform and optical fiber preform

An object of the present invention is to provide a dispensing device that can inhibit a dead volume from occurring and can dispense a liquid of a small quantity with a high degree of accuracy while reducing the variation of dispensing quantities. A dispensing device according to the present invention has a detachable dispensing tip and the dispensing tip has a configuration of arranging a plunger in a hollow part of a metal pipe (refer to FIG.).

Dispensing device and dispensing method

According to one embodiment, a semiconductor device includes an ECC decoder which performs diagnosis on data using an error detection code for the data, an ECC encoder which generates an error detection code for a first data piece equivalent to a bit range accounting for a part of plural bits configuring the data and generates an error detection code for a second data piece equivalent to a bit range accounting for a remaining part of the bits, and a diagnosis circuit which, when no error in the data has been detected by the ECC decoder, compares a part of the data corresponding to the first data piece with the first data piece used in generating the first error detection code and compares a part of the data corresponding to the second data piece with the second data piece used in generating the second error detection code.

Semiconductor device and semiconductor system including the same

Provided is a specimen dispensing mechanism that includes a specimen nozzle dispensing a specimen to be analyzed in a specimen chamber to a reaction chamber by suctioning and ejecting the specimen, and the specimen dispensing mechanism is controlled so as to perform a specimen suctioning process of inserting the specimen nozzle into the specimen chamber and suctioning the specimen in the specimen chamber, a liquid suctioning process of suctioning a liquid by the specimen nozzle after the specimen suctioning process, and an ejection process of ejecting the liquid and a portion of the specimen to the empty reaction chamber from the specimen nozzle in this order. Thereby, it is possible to provide an automatic analyser and a method which are capable of dispensing a small amount of specimen with a high level of accuracy, without depending on the outer shape of a specimen nozzle or the viscosity of the specimen.

Automatic analyser and method

It is possible to detect a failure in a temperature sensor while preventing enlarging of a circuit scale. A temperature measurement circuitincludes temperature sensorsand, and a comparator. The temperature sensorincludes a temperature detection unitincluding a resistive element, a resistance value of which varies in accordance with temperature changes, and an AD converter which converts a voltage of the temperature detection unitinto a temperature digital value D. The temperature sensorincludes a ring oscillatorwhich oscillates at a cycle that is temperature dependent, and generates a digital value Dbased on an oscillating signal output by the ring oscillator. The comparatorcompares the temperature digital values Dand D, and outputs a signal indicating whether the temperature sensoris normal or not based on a comparison result.

Temperature measurement circuit and method, and microcomputer unit

Provided are an optical fiber that has a short zero-dispersion wavelength, has high nonlinearity, and can cause broadband supercontinuum light to be generated with high efficiency, and a light source device that can output broadband supercontinuum light by using the optical fiber. A light source device includes a seed light source that outputs light with a central wavelength 1000 nm or more and 1650 nm or less and an optical fiber that receives the light output from the seed light source, allows the light to propagate therethrough, causes broadband light with an expanded band to be generated in accordance with a nonlinear optical phenomenon while the light propagates therethrough, and outputs the broadband light. The optical fiber is composed of silica glass, has a zero-dispersion wavelength of 1290 nm to 1350 nm, and has an effective area of 14 &#x3bc;mor smaller at a wavelength of 1550 nm.

Optical fiber and light source device

Provided is an optical fiber having W-shaped refractive-index distribution and in which a micro-bend loss in an actual usage waveband is reduced. The optical fiber includes a core, inner cladding that surrounds the core and has a refractive index smaller than a refractive index of the core, and outer cladding that surrounds the inner cladding and has a refractive index smaller than the refractive index of the core and larger than the refractive index of the inner cladding. When a coupling coefficient between a fundamental mode and a cladding mode is denoted by C, a coupling coefficient between the fundamental mode and a higher-order mode is denoted by C, and a coupling coefficient between the higher-order mode and the cladding mode is denoted by C, Cdefined as C=C+CChas a minimum value at a wavelength ranging between 1520 nm and 1630 nm.

Optical fiber

The present embodiment relates to an optical fiber having a W-type refractive index d profile or a trench-type refractive index profile and having reduced microbending loss in a wavelength band to be actually used. The optical fiber includes a center core, an inner cladding surrounding the center core, and an outer cladding surrounding the inner cladding. The inner cladding has a refractive index lower than a refractive index of at least the center core and the outer cladding has a refractive index lower than the refractive index of the center core and higher than the refractive index of the inner cladding. Wavelength dependency of microbending loss has a local maximal value and a shortest wavelength &#x3bb;where the microbending loss becomes 10% of the local maximal value is longer than 1560 nm.

Optical fiber and optical fiber transmission path

There is provided a method for producing a low-loss alkali metal-doped silica core optical fiber having excellent hydrogen resistance. The method for producing the optical fiber according to the present invention includes a drawing step of drawing an optical fiber preform in a drawing furnace to produce a silica glass-based optical fiber including a core region containing an alkali metal with an average concentration of 0.5 atomic ppm or more and a cladding region that surrounds the core region and a heating step of heating the optical fiber in a heating furnace through which the optical fiber drawn from the drawing furnace passes.

Method of making an optical fiber containing an alkali metal in the core

In order to increase the accuracy of dispensing liquid from a sealed liquid holding container without increasing device complexity, pressures inside and outside the sealed liquid holding container are measured with a pressure sensor connected to a dispensing probe, and the amount of discharge operation of a pump is corrected in accordance with the measured pressures. The amount of operation of the pump is corrected by calculating the amount of deformation of a dispensing flow passageway due to pressure change.

The present invention relates to an optical fiber which can improve OSNR in an optical transmission system in which Raman amplification and an EDFA are combined. With respect to the optical fiber, a predetermined conditional formula is satisfied by an effective area Aeff[&#x3bc;m] at a wavelength of 1450 nm, a transmission loss &#x3b1;[/km] at a wavelength of 1450 nm, and a transmission loss &#x3b1;[dB/km] at a wavelength of 1550 nm. Further, with respect to the optical fiber, another predetermined conditional formula is satisfied by an effective area Aeff[&#x3bc;m] at a wavelength of 1550 nm, and a transmission loss &#x3b1;[/km] at a wavelength of 1550 nm.

Optical fiber and optical transport system

An optical fiber having a reduced attenuation includes a silica glass core and a silica glass cladding. The silica glass core has substantially no germanium and includes a first core and a second core. The second core encloses the first core, the refractive index of the second core is larger than the refractive index of the first core, and the average value of halogen concentration of the second core is 5000 ppm or more. The silica glass cladding surrounds the second core and contains substantially no germanium. The refractive index of the cladding is smaller than the refractive index of the first core.

Growing community of inventors

Yokohama, Japan

Masaaki Hirano