建设校内专业实习基地,培养学生工程实践能力

在自动化专业人才培养过程中,如何加强学生工程实践能力的培养是一个重要的研究课题,创造一个能让学生动手操作的实习环境是提高学生工程实践能力的基本条件。本文介绍了校内专业实习基地的建设和使用情况。本着边建设、边使用、边发展的原则,经过5年的努力,结合生产实际和教师科研成果,开发了一批技术较为先进的实习装置,丰富了实习内容。实习基地已为1455名学生提供了实习场所,取得了明显效果。     

依托动模实验平台 创建校内实习基地

生产实习是实践教学中非常重要的一个环节,它对于大学生实践能力的培养、综合素质的提高起着重要作用,本文针对当前电气工程及其自动化专业生产实习中存在的普遍问题进行了分析,提出了依托动态模拟实验平台,创建校内实习基地的改革措施,采用校内实习基地与校外实习基地相结合的方法,进行优势互补,以提高学生的实际动手能力以及综合分析问题和解决问题的能力,达到优质的教学效果。     

创建高校校内通信实习基地的探索与实践

总结了高校校内通信实习基地建设的经验。经过科学规划、合理设计,创建的高标准、规范化、多功能的通信实习基地,使学生能够将理论与实践相结合,弥补了学生校外实习实际操作的不足;实习基地的综合通信网络系统融合了多种通信方式,具有系统性、科学性、综合性和可扩展性的特点;通过改革实习教学内容、教学方法与教学手段,使学生建立通信系统和工程的概念,培养了学生的实践能力和设计创新能力。     

校内实验室开设微电子生产实习的探索

微电子芯片生产的"超净"限制了学生在大企业芯片生产线上的实习机会.为此,我校在校内实验室建立了微电子平面工艺线,为学生开设生产实习.在教师指导下,学生动手进行晶体管制作的全部工艺操作和测试.为使学生对实际工业化生产方式和生产过程有所了解,我们对教学内容进行合理安排,生产实习前增设了认识实习.实践证明,校内生产实习有助于学生实践能力的培养和综合素质的提高.     

应用型通信工程专业的实践教学研究

应用型通信工程专业人才培养的一个重要方面就是学生实践技能的培养。以社会人才需求情况确立应用型工程人才培养定位和实践教学目标,建立校内实践教学平台,与通信企业建立校外实习实训基地,安排学生顶岗实习,按能力模块设置实践教学课程等举措,使学生获得全方位的实践训练,促进理论知识学习,提升实践动手能力,实现教学目标。     

电子商务校内实习实训模式研究

电子商务是一个新兴专业,目前电子商务的实习实训的开展还处在探索过程中,完善校内实习实训体系是我校电子商务专业建设的重要组成部分,也是我校培养＂职业人＂的关键环节。本文主要阐述了电子商务校内实训的必要性、实训条件以及实训的实施方案,探讨开展校内实习实训的途径和思路,以期通过实践和完善管理,培养学生综合运用所学知识解决电子商务实际问题的能力。     

电气工程专业生产实习模式的探索与实践

生产实习是高校培养专门人才,实现培养目标的重要实践环节。本文针对我院近年来生产实习的具体情况,结合各阶段企业发展特点和学生对生产实习的不同要求,对比分析了各阶段所采用的生产实习组织模式的优缺点,从实习基地库的建设、实习队伍的组织和管理、实习指导教师队伍建设等方面探索了适应新时期电气工程专业生产实习形势的教学组织模式,并应用于我院的生产实习教学改革,取得了良好的教学效果。     

电气工程专业生产实习教学探讨

生产实习是高校培养专门人才,实现培养目标的重要途径.它不仅是校内教学的延续,而且是校内教学的总结.本文总结了近几年我校电气工程专业学生生产实习的情况,分析了生产实习存在的问题,提出了提高生产实习质量的方法,以更好促进今后的生产实习教学工作.     

校内实习走产学研的路子

阐述了校内生产实习结合工程教学走产学研的路子，并以“数字式温度测量调节仪的研制”，开拓加强学生实践训练和研制能力探索。     

改革实习教学培养创新能力

介绍我校电工实习基地在教学内容和教学方法上，围绕如何综合利用实习资源，培养学生的创新意识和创新能力所进行的研究与探索，提出了将PLC引入电工实习，加强新技术应用和开发能力的理想，实践证明，这些措施取得了良好的效果。     

Resolution Enhancement Technology:Integrated Process Solutions using OPC

DUV lithography, using the 248 nm wavelength, is a viable manufacturing option for devices with features at 130 nm and less. Given the low kl value of the lithography, integrated process development is a necessary method for achieving acceptable process latitude. The application of assist features for rule based OPC requires the simultaneous optimization of the mask, illumination optics and the resist.Described in this paper are the details involved in optimizing each of these aspects for line and space imaging.A reference pitch is first chosen to determine how the optics will be set. The ideal sigma setting is determined by a simple geometrically derived expression. The inner and outer machine settings are determined, in turn,with the simulation of a figure of merit. The maximum value of the response surface of this FOM occurs at the optimal sigma settings. Experimental confirmation of this is shown in the paper.Assist features are used to modify the aerial image of the more isolated images on the mask. The effect that the diffraction of the scattering bars (SBs) has on the image intensity distribution is explained. Rules for determining the size and placement of SBs are also given.Resist is optimized for use with off-axis illumination and assist features. A general explanation of the material' s effect is discussed along with the affect on the through-pitch bias. The paper culminates with the showing of the lithographic results from the fully optimized system.     

Cost-effective test solutions for smart card and other integrated flash applications

From its emergence in the late 1980s as a lower cost alternative to early EEPROM technologies, flash memory has evolved to higher densities and speedsand rapidly growing acceptance in mobile applications.In the process, flash memory devices have placed increased test requirements on manufacturers. Today, as flash device test grows in importance in China, manufacturers face growing pressure for reduced cost-oftest, increased throughput and greater return on investment for test equipment. At the same time, the move to integrated flash packages for contactless smart card applications adds a significant further challenge to manufacturers seeking rapid, low-cost test.     

Theoretical analysis of the relationship between the Brillouin gain coefficient and the strain in the optical-fiber sensors

The relation between the power of the Brillouin signal and the strain is one of the bases of the distributed fiber sensors of temperature and strain. The coefficient of the Bfillouin gain can be changed by the temperature and the strain that will affect the power of the Brillouin scattering. The relation between the change of the Brillouin gain coefficient and the strain is thought to be linear by many researchers. However, it is not always linear based on the theoretical analysis and numerical simulation. Therefore, errors will be caused if the relation between the change of the Brillouin gain coefficient and the strain is regarded as to be linear approximately for measuring the temperature and the strain. For this reason, the influence of the parameters on the Brillouin gain coefficient is proposed through theoretical analysis and numerical simulation.     

An improved parallel thinning algorithm with two subiterations

The parallel thinning algorithm with two subiterations is improved in this paper. By analyzing the notions of connected components and passes, a conclusion is drawn that the number of passes and the number of eight-connected components are equal. Then the expression of the number of eight-connected components is obtained which replaces the old one in the algorithm. And a reserving condition is proposed by experiments, which alleviates the excess deletion where a diagonal line and a beeline intersect. The experimental results demonstrate that the thinned curve is almost located in the middle of the original curve connectivelv with single pixel width and the processing speed is high.     

Novel fiber-optical interferometer with miniaturized probe for in-hole measurements

Today, micro-system technology and the development of new MEMS （Micro-Electro-Mechanical Systems） are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product quality. Most often, MEMS have to be tested by means of functionality or destructive tests. One reason for this is that there are no suitable systems or sensing probes available which can be used for the measurement of quasi inaccessible features like small holes or cavities. We present a measurement system that could be used for these kinds of measurements. The system combines a fiber optical, miniaturized sensing probe with low-coherence interferometry, so that absolute distance measurements with nanometer accuracy are possible.     

Development of the readout system for waveguide multilayer optical card

Waveguide multilayer optical card （WMOC） is a novel storage device of three-dimensional optical information. An advanced readout system fitting for the WMOC is introduced in this paper. The hardware mainly consists of the light source for reading, WMOC, motorized stages addressing unit, microscope imaging unit, CCD detecting unit and PC controlling ＆ processing unit. The movement of the precision motorized stage is controlled by the computer through Visual Basic （VB） language in software. A control panel is also designed to get the layer address and the page address through which the position of the motorized stages can be changed. The WMOC readout system is easy to manage and the readout result is directly displayed on computer monitor.     

Study of waveguide coupling efficiency in hybrid silicon lasers

This paper presents a new method to increase the waveguide coupling efficiency in hybrid silicon lasers. We find that the propagation constant of the InGaAsP emitting layer can be equal to that of the Si resonant layer through improving the design size of the InP waveguide. The coupling power achieves 42% of the total power in the hybrid lasers when the thickness of the bonding layer is 100 nm. Our result is very close to 50% of the total power reported by Intel when the thickness of the thin bonding layer is less than 5 nm. Therefore, our invariable coupling power technique is simpler than Intel＇s.     

Collinear phase-matching study of terahertz-wave generation via difference frequency mixed in GaAs and Inp

The collinearly phase-matching condition of terahertz-wave generation via difference frequency mixed in GaAs and InP is theoretically studied. In collinear phase-matching, the optimum phase-matching wave hands of these two crystals are calculated. The optimum phase-matching wave bands in GaAs and lnP are 0.95-1.38μm and 0.7-0.96μm respectively. The influence of the wavelength choice of the pump wave on the coherent length in THz-wave tuning is also discussed. The influence of the temperature alteration on the phase-matching and the temperature tuning properties in GaAs crystal are calculated and analyzed. It can serve for the following experiments as a theoretical evidence and a reference as well.     

Effects of the alloy compositions on the phonon-polaritons in ternary mixed crystals

Composition dependence of bulk and surface phonon-polaritons in ternary mixed crystals are studied in the framework of the modified random-element-isodisplacement model and the Bom-Huang approximation. The numerical results for Several Ⅱ - Ⅵ and Ⅲ- Ⅴ compound systems are performed, and the polariton frequencies as functions of the compositions for ternary mixed crystals AlxGa1-xAs, GaPxAS1-x, ZnSxSe1-x, GaAsxSb1-x, GaxIn1-xP, and ZnxCd1-xS as examples are given and discussed. The results show that the dependence of the energies of two branches of bulk phonon-polaritons which have phonon-like characteristics, and surface phonon-polaritons on the compositions of ternary mixed crystals are nonlinear and different from those of the corresponding binary systems.     

New insert layer structure OLEDs

An insert layer structure organic electroluminescent device（OLED） based on a new luminescent material （Zn（salen）） is fabricated. The configuration of the device is ITO/CuPc/NPD/Zn（salen）/Liq/LiF/A1/CuPc/NPD/Zn（salen）/Liq/LiF/A1. Effective insert electrode layers comprising LiF（1nm）/Al（5 nm） are used as a single semitransparent mirror, and bilayer cathode LiF（1 nm）/A1（100 nm） is used as a reflecting mirror. The two mirrors form a Fabry-Perot microcavity and two emissive units. The maximum brightness and luminous efficiency reach 674 cd/m^2 and 2.652 cd/A, respectively, which are 2.1 and 3.7 times higher than the conventional device, respectively. The superior brightness and luminous efficiency over conventional single-unit devices are attributed to microcavity effect.