Mitsubishi Heavy Industries Limited

Japan Aerospace Exploration Agency

Other

Hamamatsu-photonics K.k.

Nagoya University

Doryokuro Kakunenryo Kaihatsu Jigyodan

Gunma University

Japan Atomic Energy

Japan As Represented by the Director-general of the Institute of Space and Astronautical Science

Yoshikatsu Kuroda

Tadayuki Takahashi

Hiroshi Ikebuchi

Masahiro Kato

Kazunori Masukawa

Shin Watanabe

Kei Gemba

Koichi Hamamoto

Shingo Nishikata

Atsushi Ochiai

Daisuke Matsuura

Tomoya Morioka

Hiroshi Arakawa

Fumihito Soma

Shin'ichiro Takeda

Yuzo Ishibashi

Takao Wada

Hiroyuki Ogawa

Masaki Iijima

Koji Nakano

Kenji Fujiwara

Kazuhisa Yamamura

Hiroo Yamamoto

Yuichi Araki

Shigeru Ishii

Kazumasa Ogura

Kazuo Arakawa

Daishi Ueno

Kiyoshi Kawamura

Masahiro Funayama

Munehiro Komeda

Masahito Yamaguchi

Shinichi Kobayashi

Yukito Hata

Takashi Nakano

Hirofumi Shimada

Yoshihiro Kawamata

Yuichi Kondo

Kazumasa Kosugi

Mitsutaka Yamaguchi

Naoki Kawachi

Shinichiro Takeda

Hirokazu Odaka

Kei Genba

Masahiro Atsumi

Takeshi Takashima

Shin-ichiro Sakai

Naohiko Abe

Naoko Iwata

Mika Shingo

Taro Wada

Kenj Fujiwara

Teruo Takeshita

Yasushi Mizuno

Ryouchi Masuko

Masahiro Taeda

Shin-Ichiro Sakai

A solid obstacle is removed with a high-power laser beam to establish a transmission path for a spatial laser communication. When a space in which the laser beam is transmitted is blocked off by the solid obstacle, the spatial laser communication cannot be carried out.

Laser communication system and laser communication method

A method of irradiating an electromagnetic pulse includes specifying a position of a target having electronic equipment; setting the light-condensing point based on the position of the target; and condensing the laser beam to generate plasma in the light-condensing point such that the electromagnetic pulse generated from the plasma is irradiated to the electronic equipment. In this way, a method and system for irradiating an electromagnetic pulse are realized which can irradiate the electromagnetic pulse of a large output while restraining diffusion of the electromagnetic pulse.

Method of irradiating electromagnetic pulse and electromagnetic pulse irradiating system

A multichip module includes a plurality of semiconductor substrates and a plurality of surface mounting parts. The plurality of semiconductor substrates each have a wiring line region which contains a wiring line to pierce from one of the surfaces to the other surface. A plurality of surface mounting parts are mounted on either of the plurality of surface mounting parts. The plurality of semiconductor substrates are stacked to form a multilayer structure. The first surface mounting part as at least one of the plurality of surface mounting parts is arranged in an inside region of the multilayer structure.

Multichip module including surface mounting part embedded therein

In an aerospace vehicle in which a satellite is detachably adapted to the first stage rocket and the second stage rocket, an electronic deviceis installed in the satellite, wherein the electronic devicecontrols the first stage rocketand the second stage rocketbefore the satellite is detached from the first stage rocketand the second stage rocket. Thereby, it is unnecessary to provide sensors, radio devices and electronic devices for exclusive use with respect to the first stage rocketand the second stage rocketso that a manufacturing cost of the rocketsandcan be reduced and a total weight of the rocketsandcan become lighter by omitting these equipments. Thus, an aerospace vehicle system within the rocketsandcan be simplified and a launch of the aerospace vehicle can be prepared within a short period.

Aerospace vehicle system

An electromagnetic pulse protecting method includes: searching a threatthat generates an electromagnetic pulse; and generating plasmain a light-condensed pointby condensing a laser beamon a light-condensed pointin response to detection of the threat. Thus, various protection objects which contain a protection object having an electric opening indispensably can be protected from an attack by the electromagnetic pulse.

Electromagnetic pulse protection method and electromagnetic pulse protection system

A detector for a Compton camera includes a first radiation scattering layer; a second radiation scattering layer; and a radiation absorption layer disposed between the first radiation scattering layer and the second radiation scattering layer. The first radiation scattering layer and the radiation absorption layer configure at least a part of a first detector, and the second radiation scattering layer and the radiation absorption layer configure at least a part of a second detector.

Detector for Compton camera and Compton camera

A radiation measuring apparatus () includes a scatterer detector (A), an absorber detector (B) and a processing unit (). Pixel electrodes () of the scatterer detector (A) and the absorber detector (B) are arranged such that a distance between centers of two neighbor pixel electrodes () is smaller than a mean free path of a recoil electron generated in the Compton scattering of an electromagnetic radiation. The processing unit () specifies and incidence direction of the electromagnetic radiation based on a recoiling direction to which the recoil electron recoils. In this way, an electron tracking-type Compton camera is realized which confines the incidence direction of the electromagnetic radiation by using the recoiling direction of the recoil electron in a Compton camera using a semiconductor detector.

Radiation measuring apparatus and radiation measuring method

A semiconductor integrated circuit, a radiation detection unit and a cooling unit are provided. Here, a radiation detection unit is provided near the semiconductor integrated circuit and detects a radiation quantity. The cooling unit cools the semiconductor integrated circuit according to the detected radiation quantity. In an environment where a radiation quantity is more, the generation of a malfunction can be restrained by cooling the semiconductor integrated circuit.

Electronic device

A radioactive substance distribution map producing system includes a radiation detector, a position measuring unit and a radioactive substance distribution map producing apparatus. The radiation detector is loaded on a moving vehicle and measures radiations from radioactive substances. The position measuring unit measures a position of the moving vehicle. The radioactive substance distribution map producing apparatus receives measurement data which contains a measurement result by the radiation detector and position data of the moving vehicle measured by the position measuring unit. The radioactive substance distribution map producing apparatus produces a distribution map of the radioactive substances by using the measurement data obtained at the plurality of positions while the moving vehicle moves.

Radioactive substance distribution map producing system and method of producing radioactive substance distribution map

A parallel processing system includes a plurality of computers accessibly connected through a network, and distributedly executing a plurality of processes. Each of the plurality of computers is composed of an operation processing unit configured to execute an allocated process, a local memory group having a first area and a second area and an I/O control circuit. The operation processing unit executes the allocated process by using the first area as an access destination in a first period and, and executes the allocated process by using the second area as the access destination in a second period subsequent to the first period. The I/O control circuit is composed of an updating section configured to update data stored in the local memory group to the latest data by carrying out communication among the computers. The updating section updates the data stored in the first area in the second period.

Parallel processing system and operation method of parallel processing system

A technique which can reduce a cost of a space machine installed with a solar cell. The space machine is composed of a light collecting unit and the solar cell. The light collecting unit is arranged on a surface of the body of the space machine to collect incident sun light inside the body. The solar cell is installed inside the body to receive the sun light collected by the light collecting unit.

Space machine

Plural camera heads are each placed in a position capable of detection of radiation emitted from a radiation source. Compton cones obtained from the detection data output from each of the plural camera heads are projected onto three-dimensional space and an image based on the radiation source is reconstructed. In addition, projected images from projecting Compton cones obtained from the detection data output from each camera head onto two-dimensional planes are also employed for determining a three-dimensional space excluding regions where the radiation source is not present. Reconstruction of images based on the radiation source is then performed within the determined three-dimensional space.

Compton camera

An artificial satellite system includes at least two panel type artificial satellites closely connected with a plurality kind of multi networks and the minimum necessary essential tools for one artificial satellite installed on a substrate of each panel type artificial satellite, wherein the multi networks are formed by a communicating network for communicating data among data processing tools installed on each of the panel type artificial satellites, a heat pipe for providing thermal energy among tools installed on each of the panel type artificial satellites and a battery supplying line for connecting battery controlling devices installed in the each panel type artificial satellite so that the artificial satellite system can maintain higher and various controlling performance with a back-up effect of the multi network in the case that any function tool is damaged in one of the panel type artificial satellite.

Panel type artificial satellite and artificial satellite system therewith

An infrared detector including a reflection portion which transmits far- and middle-infrared rays and which reflects near-infrared and visible rays; a photo-current generating portion having a plurality of layered quantum dot structures in each of which electrons are excited by the far- and middle-infrared rays having passed through the reflection portion so as to generate photo-current; a light emitting portion having a plurality of layered quantum well structures into each of which electrons of the photo-current generated by the photo-current generating portion are injected and in each of which the electrons thus injected thereinto are recombined with holes so as to emit near-infrared and visible rays; and a photo-detecting portion which detects the near -infrared and visible rays emitted from the light emitting portion and which detects the near-infrared and visible rays emitted from the light emitting portion and then reflected by the reflection portion.

Infrared detector, infrared detecting apparatus, and method of manufacturing infrared detector

A flying object capable of being launched in air is detachably mounted on a wing body of a launching apparatus. The launching apparatus is towed by an aircraft through a cable so as to be run and taken off. After raising the launching apparatus to a launching height of the flying object by the aircraft, the flying object is released from the wing body in air and then the flying object is ignited and launched in air in a launching system. The system for launching in air can be developed without newly developing a platform as a mother ship so that a research cost can be remarkably reduced. In the case that a small artificial satellite is installed in a flying object, it is possible to develop an artificial satellite smoothly and quickly applicable to security matters and disaster observation.

Launching system and launching apparatus

Growing community of inventors

Tokyo, Japan

Yoshikatsu Kuroda