A microprocessor based autoscanner for electromigration studies in thin films

Mass transport due to electromigration can be estimated if the diffusion coefficientD and the electromigration effective charge numberZ* are known. Neutron activated tracer scanning method determine the radioactivity at different positions. An automatic scanning system for determining the radioactive concentration profiles developed using a microprocessor is described in this paper. Using the radioactive concentration profiles the electromigration shift is determined. From this shift the electromigration effective charge numberZ* is calculated. The system developed was tested for tin thin films.     

ARL—3520AES电感耦合等离子体发射光谱仪疑难故障的分析与排除

介绍了在瑞士ＡＲＬ公司生产的ＩＣＰ－３５２０ＡＥＳ型电感耦合等离子体原子发射光谱仪上存在的一种疑难故障的分析与排除过程，对同类型仪器的故障分析有借鉴作用。     

The use of APPLE II microcomputer as kinetic laboratory data acquisition system

A laboratory microcomputer system based on an APPLE II microcomputer is presented. Data transfer from a temperature jump equipment or a stopped flow apparatus can be performed via a serial interface, the data can be stored on a memory expansion card or on the disk drives. Data transfer to a central host computer can also be done. Application of the laboratory data system on kinetic and spectroscopic measurements are shown.Dedicated to Prof. Dr.K. L. Komarek on the occasion of his 60th birthday.     

光谱型连流法定点检测快速反应装置的研制及评价

选用全自动组装部件，研制了液体计量泵结合分光光度法定点检测连续流动快速反应装置，并选择适当的反应体系检测了该反应装置的操作性能及测量精度。检测结果表明，该套装置具有较好的全自动操作性能和测量精度，其测量数据与文献值符合较好，对于毫秒级的快速反应的动力学研究提供了一种先进的测量仪器。     

制冷机冷却型超导磁体系统用电流源保护控制系统的实现

随着超导技术和制冷技术的相互促进和共同发展 ,制冷机直接冷却的超导磁体系统已从概念设计走向实际应用。电流源保护控制系统是超导磁体系统的重要组成部分 ,其主要作用是为超导磁体系统提供稳定电流并实现可靠的保护控制。文中首先分析了制冷机冷却型超导磁体系统用电流源的工作过程及其特殊的控制和保护要求 ,然后设计了一个以单片机为核心的自动保护控制系统。     

基于SystemC的周期精确事务级AMBA总线建模

采用系统建模语言SystemC建立了周期精确的事务级AMBA总线模型，并利用该模型对蓝牙模块问的通信过程进行仿真．AMBA总线模型采用SystemC2．0的接口、端口和通道的概念，运行时使用SystemC自带的仿真内核．实验结果表明：本模型完全符合AMBA2．0规范和蓝牙协议规范，实现了住SoC设计前期的高层仿真和验证。