Hitachi, Ltd.

Ando Electric Company

Shinko Electric Company, Ltd.

Yokogawa Electric Corporation

Other

Jsr Corporation

Sinfonia Technology Co., Ltd.

Nippon Telegraph and Telephone Corporation

Hitachi Cable, Inc.

Japan Synthetic Rubber Co., Ltd.

Tokyo Tanabe Company, Ltd.

Minoru Maeda

Hiroshi Nakagawa

Takaaki Hirata

Katsuyuki Imoto

Hideaki Tsushima

Hirohisa Sano

Akihiko Morikawa

Hideo Nakanishi

Kentarou Kanae

Toshio Miki

Shinya Sasaki

Takashi Fujiwara

Yoshitaka Takasaki

Shigeru Oho

Kazumichi Kato

Tadashi Sugiyama

Takashi Fukunaga

Yukio Nakano

Satoshi Aoki

Yasushi Takahashi

Akihiko Takase

Yasuo Takeuchi

Takahiro Okamoto

Yasushi Muragishi

Yoshitaka Takahashi

Tsuyoshi Tanaka

Kenya Makino

Toshio Teramoto

Toshiki P Tanaka

Yushi Sato

Seiichi Onoda

Osamu Hirota

Akihiro Hori

Tooru Shibata

Mikio Takeuchi

Kunio Goshima

Norihiro Yamamoto

Toshiki Maruyama

Yosuke Muraguchi

Mitsuo Tanaka

Naoyuki Fujimura

Hiroshi Araki

Masayoshi Kameyama

Alan Cowie

Mamoru Kosaki

Nobuhiko Kanbara

Jie Zhu

Shoji Yamada

Yasushi Ikuta

Kozo Furutani

Toshiya Sugimoto

Yasuhiko Mitsumoto

Masaya Ooyama

Masaaki Narihisa

Shinichi Kimura

Masaaki Mawatari

Ichiro Ikushima

Hironori Takai

Katsumi Yasuda

Minoru Hasegawa

Ikuo Tokizawa

Shozaburo Sekido

Kazunari Kitaji

Yasuo Minai

Shin Kita

Yoshihiko Miyano

Hiroki Saitou

Masatoyo Sumida

Etsurou Kurosu

Kumiko Koiso

A laser gas analyzer includes a wavelength-variable laser having a wide wavelength-variable width, a light-split module configured to split an output light of the wavelength-variable laser into a measurement light and a reference light, a first gas cell into which gases to be measured are introduced, and the measurement light is made to be incident, and a data processor configured to obtain an absorption spectrum of each of the gases to be measured based on a reference signal related to the reference light and an absorption signal related to an output light of the first gas cell, and to obtain concentrations of the respective gases to be measured.

Laser gas analyzer

A conveying apparatus includes: a housing; a movable member; a linear motor; and a cover. The linear motor includes a primary magnetic pole and a secondary magnetic pole each having a facing surface that faces the other and that is a plane along the longitudinal direction of the housing. The cover allows the primary magnetic pole to be located in an atmospheric environment, and the secondary magnetic pole to be located in a vacuum environment or a reduced pressure environment by separating the primary magnetic pole and the secondary magnetic pole from each other. The primary magnetic pole and the secondary magnetic pole face each other so that a direction of a magnetic attraction force generated therebetween and acting on their facing surfaces is different from directions of forces acting, due to an atmospheric pressure outside the housing, on the wall of the housing on which the cover is provided.

Conveying apparatus

To provide a conveying apparatus that includes: a fixed section; a movable section movable with respect to the fixed section; and a pair of linear motors each located so as to be partially included in the fixed section and the movable section. Each linear motor includes a primary magnetic pole section and a secondary magnetic pole section, and these pole sections are arranged to face each other so as to enable the movable section to move with respect to the fixed section. The movable section includes a movable body capable of conveying a conveyed object, and one of the magnetic pole sections of each linear motor. Each linear motor is located at each of opposite ends of the movable body in a width direction that is orthogonal to a moving direction, and the fixed section includes the other of the magnetic pole sections.

A vacuum processing apparatus includes a vacuum chamber capable of keeping a first pressure lower than an atmospheric pressure, a driving source disposed in the vacuum chamber, an electric power supply mechanism including a primary side mechanism disposed outside the vacuum chamber for supplying electric power to the driving source and a secondary side mechanism disposed in the vacuum chamber for receiving the electric power from the primary side mechanism in a contactless relationship, and a vessel capable of accommodating airtightly the secondary side mechanism under a second pressure higher than the first pressure.

Vacuum processing apparatus

An optical characteristic measuring apparatus includes: a light source section which sweeps wavelengths of a first input light and a second input light respectively, frequencies of the first and second input lights being different from each other and polarized states of the first and second input lights being perpendicular to each other, and outputs the first and second input light; an interference section which inputs one branched light of the first and second input lights to a measuring object, makes output light from the measuring object interfere with other branched light of the first and second input lights, and outputs a plurality of interference lights; a plurality of light receiving sections which are respectively provided for the interference lights, receives the interference lights respectively, and outputs signals in accordance with optical powers of the interference lights respectively; and a low-pass filter for filtering the outputted signals.

Optical characteristic measuring apparatus

A wavelength monitor includes the following elements. An optical divider divides a beam of measured light into first and second divided beams of measured light. An interfering element converts the first and second divided beams of measured light into first and second parallel beams of measured light to cause interference between the first and second parallel beams of measured light with each other thereby generating an interfered beam of measured light. A light receiving element way including a plurality of light receiving elements receives the interfered beam of measured light. An interference signal converting unit receives output signals from the light receiving element array to generate interference signals different in phase by 90 degrees from each other. A signal processing unit receives the interference signals from the interference signal converting unit to obtain a wavelength of the measured light from the interference signals.

Wavelength monitor using interference signals

An object of the present invention is to provide a linear actuator in which reliability is improved, and performance is also easily improved. The present invention provides a linear actuator including a stator, a movable element having an iron member, and being reciprocatable with respect to the stator, a permanent magnet fixed to the stator so as to be opposed to the iron member, and a coil fixed to the stator. Because both the coil and the permanent magnet are fixed to the stator, electrical current does not have to be supplied to the movable element, and the feeder lines connected to the coil will not be broken due to the movement of the movable element. In addition, the weight of the movable element will not be increased even when the weigh of the permanent magnet is increased in order to obtain high magnetic flux density for improvement in performance. Moreover, because the movable element does not include a magnet, a magnetizing operation does not have to be applied to the movable element. The permanent magnets may be a pair in which the directions the magnetic poles thereof differ from each other, and two pairs of permanent magnets may be provided. The number of magnetic fluxes that run through the magnetic pole elements and the iron member can be increased by providing a magnetic reluctance section around the permanent magnets.

Linear actuator

A thermoplastic elastomer composition of the invention, formed by dynamically crosslinking a polymer composition including a rubber and an olefinic resin and having an average particle size of rubber particles within a specific range, shows an excellent balance of mechanical properties such as flexibility and elastic recovery, and a moldability. Also an inclusion of a (meth)acrylate resin and a hydrogenated diene polymer provides a composition particularly excellent in scratch resistance. Also an inclusion of a maleimide compound provides a composition particularly excellent in injection fusibility. Also an inclusion of an undenatured organopolysiloxane of a specific viscosity and a denatured organopolysiloxane provides a composition particularly excellent in initial slidability and durable slidability.

Thermoplastic elastomer composition and process for producing the same

A wavelength monitorhaving a Michelson interferometer (or Mach-Zehnder) optical systemof a spatial light type having optical input from a light source has an interference pattern generating meanswhich inclines the wavefronts of interfering beams of collimated light to generate an interference pattern in the light intensity distribution in an interference light beam planes a first slitand a second slitwhich are adjustable in position and provided in front of a first photo-detectorand a second photo-detector, respectively, which receive split beams of interference light, and a signal processing meansby which the changes in the intensity of light from the first photo-detectorand the second photo-detectorare counted and subjected to necessary arithmetic operations to output signals representing wavelength data for the input light.

Wavelength monitor

Phase-locked loop (PLL) circuits include first and second PLL stages and use fractional frequency division. In one implementation, the first stage includes a voltage-controlled oscillator (VCO) whose output is provided to both first and second fractional frequency dividers. The output of the first frequency divider is provided to a first phase comparator whose output passes through a filter so as to provide the deviation signal that controls the output frequency of the first VCO. The output of the second fractional frequency divider is received by the second PLL stage as a reference signal.

Phase locked loop circuit using fractional frequency divider

The present invention relates to a thermoplastic elastomer composition having a three-dimensional network structure which is not formed by a chemical crosslinking and having an excellent elasticity recovery and flexibility, a foam having a highly closed cell, an uniform cell shape, an excellent elasticity recovery, flexibility and appearance, and a process for producing the same. A thermoplastic elastomer of the invention is obtained by mixing in a predetermined ratio an EPDM (1), a crystalline polyethylenic resin (2) and a block copolymer (3) having a crystalline ethylenic polymeric block and a block which is more compatible with said EPDM than with said crystalline polyethylenic resin together with an anti-aging agent followed by kneading in a pressurized kneader. A foam of the invention is obtained by adding 1 part by mass of a wetting agent to 100 parts by mass of the thermoplastic elastomer composition described above together with a foaming agent, agitating and then performing an extrusion foaming.

Thermoplastic elastomer composition, foam made from the same, and process for producing foam

Growing community of inventors

Tokyo, Japan

Minoru Maeda