MBE Group ISG1 WinGreen is a quantum transport simulation package for layered semiconductors. Free download. http://www.fz-juelich.de/isg/mbe/software.html
Extractions: More screenshots ... WinGreen is a simulation package for transport calculations in layered semiconductors. Based on realtime Green's functions it provides a quantum mechanical approach for the description of dynamic and kinetic properties of interacting many-particle systems in a thermodynamic nonequilibrium state. The Coulomb interaction between charged particles is calculated via a Hartree selfconsistent single-particle potential employing the Poisson equation and the charge density from the Green´s functions. At the moment scattering (phonons, impurities, interface roughness etc.) is incorporated by means of an optical potential which is an empirical parameter. The material layer sequence is formulated on the basis of localized atomic orbitals with material dependant inter-layer coupling matrices. This tight binding approach provides an accurate model of heterointerfaces. WinGreen is an integrated simulation environment which allows a quick and convenient generation of simulation jobs, manages the computation process and provides plotting functions to display the simulation results. All material parameters are stored in ASCII format material databases which can be easily customized. The simulator is capable of generating output for the selfconsistent potential, the quantum charge density, the local density of states, the current density, the transmission probability and the bandstructure of zincblende type materials. In this version, multi-band outputs are supported but should be considered experimental.
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:: Bates & Associates Houston, Texas area distributor of processors, semiconductors, passives, discretes, and other components, and circuit board manufacturers representative. Line card and part search. http://www.batesquote.com/
AsiaTech Management - A Ventrue Capital Firm Focus early stage funding in the ecommerce, communications, networking, Internet, information technology and semiconductors areas. http://www.asiatechventure.com/
::: AMtek SEMICONDUCTORS CO., LTD. ´¹P¥b¾ÉÅé ::: Design and manufacturing capability of analog and Mixed Mode IC to CD/VCD/DVD player, Scanner and Hall Sensor application of motor driver. http://www.amtek-semi.com/
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Wired News: Semiconductors Are Smokin' Advertisement. semiconductors Are Smokin . by Leander Kahney Also by this reporter Page 1 of 2 next ». 0300 AM Feb. 07, 2000 PT. http://www.wired.com/news/technology/0,1282,34100,00.html?tw=wn_story_related
Extractions: Olympus Products Limited are a global distributor, sourcing electronic components such as obsolete semiconductors, integrated circuits, active components and obsolete electronic components. With over 20 years experience in the electronics industry our aim is to provide our customers with high quality products and high quality leveles of service. Our "state of the art" search engine can analyse literally billions of components worldwide 24 hours a day. We are able to source for you components that are hard to find , that are on long lead times , are on allocation or parts that have become obsolete. We have over 1 billion live stock lines for you to search. We are equally able to supply semiconductors , passives , wound and electromechanical components at realistic competitive prices. Manufacturers that we are able to supply are as follows: Components on long lead times , hard to find , on allocation or parts that have become obsolete we can help. Why call anyone else ? var site="sm6olymprod"
Semiconductors semiconductors. material used. The substances first used for semiconductors were the elements germanium, silicon, and gray tin. It http://www.mtmi.vu.lt/pfk/funkc_dariniai/sol_st_phys/semiconductor.htm
Extractions: Programm Quant mech Intro ... Technology Solids are classified according to their properties as either insulators, conductors, or semiconductors based on the number of charge carriers in the conduction band and hence their ability to support current flow: Insulators do not permit current flow because the separation between their valence and conduction bands is too large to allow an electron to be promoted into the conduction band where it could take part in conduction. (only a few thousand conduction electrons per cm Conductors allow current to flow easily because of the large number of conduction electrons (10 per cm ) available. In conductors the energy bands overlap making it possible for very small energies to liberate the electrons where they then participate in current flow. Semiconductors are classified between conductors and insulators (with approximately 10 carriers per cm ). A few electrons appear in the conduction band, with an equal number of holes in the valence band, enabling limited conduction. The energy separation between the valence and conduction bands in semiconductors can be overcome by thermal, electrical, or chemical excitations to name a few. Because of the widespread use of semiconductor devices in electronics (A p-n junction and a transistor being the basic components of any system) precise analysis of their properties is crucial. Semiconductor
Semiconductors - White Papers, Webcasts And Case Studies - ZDNet Netegrity Case Study Philips semiconductors, Netegrity, July 2002. Interfacing External I/O with Rabbit 2000/3000 Designs, Rabbit semiconductors, June 2002. http://itpapers.zdnet.com/search.aspx?kw=semiconductors&tag=wpr_more&promo=20011
Tallwood Venture Capital Focus semiconductors and semiconductor related technologies. http://www.tallwoodvc.com
Extractions: Tallwood Venture Capital is a venture capital firm focusing on semiconductors and semiconductor related technologies. Tallwood raised its first institutional fund of $180 million in 2002. Investors include Stanford University and Harvard University. Tallwood's practice is based on a deep understanding of markets, the impact technology will have on them and a hands-on, very active involvement post investment. Tallwood also utilizes a best in class team of consultants and advisors to help build our practice and work directly with our portfolio companies. Our vision is to actively help entrepreneurs to develop and grow technology-based start ups into world-class companies.
Cadence Design Systems Cadence is a supplier of electronic design technologies, methodology services, and design services. Cadence solutions are used to accelerate and manage the design of semiconductors, computer systems, networking and telecommunications equipment, consumer electronics, and a variety of other electronicsbased products. (NYSE CDN) http://www.cadence.com/
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Logic1sales2 Manufacturers' representative of optical network and connectivity, synchronisation and timing products, semiconductors, power supplies, LCD displays, USB controllers, ASEMs and modular boardlevel integration of proprietary ASICs, chipsets and processors. ( Texas, Oklahoma, Louisiana, Arkansas, Guadalajara ) http://www.logic1sales.com/
Extractions: High bandwidth silicon connectivity for Sonet/SDH, ATM, Gigabit Ethernet and Packet over Sonet applications. Total solution chipsets include PHY/SERDES, Framers, Switch Fabrics, Traffic Management and Network Processors. Andigilog provides state-of-the-art cost effective semiconductor sensor solutions utilizing proven CMOS technology and manufacturing expertise. Andigilog offers the highest level of accuracy enabling new innovations as well as improved systems cost, quality and reliability in end customer applications such as cell phones, computers, industrial automation and other systems. Cavium Networks is a semiconductor company that is delivering the industry's largest family of network and e-commerce security processors. Cavium's award winning flagship NITROX line of security processors are single chip solutions that deliver 50Mbs to 10Gbps of encryption bandwidth with 1K to 50K RSA/DH operations per second. Extensive product line of Crystal Oscillators, Timing Modules, and Crystals. Speciallizing in custom designs used in telecommunications, LAN, WAN, Computers, and other electronic system applications.
