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The Au-Sn binary phase diagram shows that there are two eutectic alloy compositions. The first one is at ∼30 at% Sn (Au-rich) with a melting point of 280°C and the second composition is at ∼94 at% Sn (Sn-rich) with an eutectic temperature at 217°C. This paper summarizes work that demonstrates that both eutectic alloys can be electrodeposited from electrolytes that are non-toxic and environmentally...
Recently, the permanent magnet type linear synchronous motor (PM-LSM) is used as a driving source in transportation systems. In order to apply to the source of the power of the long-distance conveyance equipment, an intermittent stator PM-LSM (ISPM-LSM) has proposed. However, it is necessary to prepare an inverter for every stator by intermittent arrangement. Then, although the changing method for...
C language is a major computer programming language, being widely used in software system development and education of computer science. However, comparing with other computer languages, C language is difficult and little uninteresting to its beginners and therefore, it takes more time to learn or teach. To give those beginners a interesting and comprehensible way to learn C language, we proposed...
Sandbox security model is extremely useful for secure execution of untrusted applications. Many sandbox model based security systems proposed so far provide security by intercepting system calls invoked by applications and controlling their execution. However, a problem in existing sandbox based systems is the amount of overhead required for security checks performed after system call interception...
Organizations face increasing challenges in addressing and preventing computer and network security incidents. There are financial consequences from security incidents. These include lost time and resources used during recovery, possible theft of personal and/or proprietary information, and reputational damage that may negatively impact stock prices or reduce consumer confidence in a company. Being...
Negative bias temperature instability (NBTI) in PMOS has emerged as one of the critical reliability concerns in deep sub-micron devices. A comprehensive study has performed to improve the device NBTI performance by process optimization. It is found that the most effective ways to reduce the NBTI degradation are to control the nitrogen concentration and profile in the nitrided gate oxide, to implement...
RIDEE-UIM (Understanding Information Management system for Real-time Interactive Distance Education Environment) has been proposed for giving understanding information of each participant to the lecturer during real time distance education activities. For each participant, RIDEE-UIM keeps his understanding values about each minimum unit of the materials offerd by the lecturer. The usefulness of RIDEE-UIM...
We propose a design of minimizing transmission power adaptive modulation (AM) that utilizes imperfect channel state information (I-CSI) in multi-input and multi-output (MIMO) systems. By taking channel estimation errors into account, the proposed algorithm provides the quality of services (QoS) closed to the expected values when larger channel estimation error occurs. Furthermore, we, make comparison...
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