RIKEN Successfully Develops High Performance X-Ray Pixel Detector With Silvaco's TCAD

YOKOHAMA, JAPAN -- (Marketwired) -- Jun 04, 2014 -- Silvaco Japan Co., Ltd. (Silvaco) has announced that RIKEN SPring-8 Center (RIKEN) has successfully developed their high performance X-ray pixel detector with multi-port, charge-coupled device (Multi-port CCD), which is the eye of the X-ray Free Electron Laser facility "SACLA," using Silvaco's TCAD products.

SACLA's synchrotron radiation is used in a wide range of research like that done at the fundamental science level (e.g., real-time observations of material structures and catalyst reaction mechanisms at the atomic level) and in the industrial field, such as analyzing the mechanisms of metal fatigue prevention. However, the existing detectors did not satisfy measurement accuracy and efficiency requirements for signals ranging from single to over thousands of photons. Therefore, an international collaborative research group, with RIKEN's researchers forming the core, had started the development of a Multi-port CCD device using advanced CCD sensor technology.

The target of this project was the achievement of challenging specifications such as extreme radiation hardness, effective charge collection, fast operation and large-sized sensor area. RIKEN simulated the X-ray laser detection process with Silvaco's TCAD Atlas Device 3D simulator, and developed the structure of the internal sensor so that the electric field will keep collecting charges even when large amounts of positive and negatives charges are emitted.

RIKEN's Leader of the Data Acquisition Team, SPring-8 Center, Dr. Takaki Hatsui said, "Atlas Device 3D includes many models and functions to simulate X-ray imaging sensors for innovative research. We found it especially effective for analyzing the diffusion of charges and its temperature dependencies in transient analysis. We will continue to use Atlas to accelerate our research."

David Halliday, CEO of Silvaco, said, "RIKEN is a great research institute and we are very proud that they have adopted Silvaco's TCAD products. Silvaco has been involved in the development of radiation effects simulation for a long time and as such, has lots of experience. We will continue improving our products to contribute to our customer's technical innovations."

The details about this development project are available in the paper "Development of an X-ray pixel detector with multi-port charge-coupled device for X-ray free-electron laser experiments" Review of Scientific Instruments, Volume 85, Issue 3, AIP Publishing.

About RIKEN, Japan

Synchrotron radiation is an electromagnetic wave emitted when high-energy electrons travelling at the speed of light are deflected by magnetic field, and widely used in frontier researches in the variety of science fields. RIKEN SPring-8 Center utilizes this synchrotron radiation in Structural Biology with the research of high-order structures of proteins and in Materials Science for innovation of science. To provide the best synchrotron radiation, SPring-8 Center is always pursuing the development of the light source and optical technology, and promoting the improvement and operation of SACLA, X-ray Free Electron Laser (XFEL) facility, as the next generation synchrotron radiation source. SPring-8 and SACLA are the large research facilities capable of emitting the highest performance synchrotron radiation in the world.

About Silvaco, Inc.

Silvaco, Inc. is a leading provider of TCAD, circuit simulation, and IC CAD software tools. Silvaco's tools are used by fabs for developing semiconductor processes, and design houses for developing analog, mixed-signal, and RF integrated circuits. The company provides a complete PDK-based design flow with interfaces to third-party design platforms. Silvaco has a worldwide presence with local offices in all key industrial regions in the world.

About Silvaco Japan Co., Ltd.

Silvaco Japan was first established as a Japanese branch of Silvaco, Inc. in 1989 and incorporated as a Japanese corporation in 1995. Silvaco Japan's corporate mission is to be the leading provider of TCAD and EDA software products in the Japanese market. To achieve and maintain its leadership objective, Silvaco Japan is focused on building and growing a strong sales, product support and R&D work force. Silvaco Japan is headquartered in Yokohama, and maintains an additional office in Kyoto.

David Halliday

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