Image Acquisition and Data Management System in Laser Clean Tooth Machine

【中文文摘】提要研制的激光洁牙图像采集与数据管理系统是采用Direct Show和数据库技术开发而成。系统能实时记录、显示洁牙过程,实现医疗资料的数字化管理。医疗人员通过观察系统显示屏方便地执行洁牙操作,保护了医疗人员眼睛免受激光伤害,解决了传统激光牙科器械无法为医疗纠纷提供原始医疗资料的问题。 【英文文摘】Image Acquisition and Data Management system in Laser clean tooth machine is developed based on DirectShow and database technology. It can real-timely record and display the process while cleaning tooth, achieve the digital management on medical treatment data. Therefore, depending on the display, it helps dentist carry out operation conveniently, protects his eyes from being hurt by Laser. Moreover, the system could provide necessary information in case of medical treatment dissension, which isn't possessed in the traditional Laser clean tooth machine

Visual C++ serial port communication technology in the control system of MEMS chip laser packaging

介绍一种基于串口通信,激光封装MEMS芯片的远程控制应用方案。该方案是采用VC++编程实现串口通信(SPC),用于控制激光微焊接中激光能源的开关、门信号的开关、PWM百分比和PWM频率。实验表明该方案实际可行,结果满足实际的需要。Based on serial port communication,a sort of long-distance control applications of MEMS packaging by laser was introduced.Serial port communication was achieved by adopting VC++ program,which was used in controlling power's "on/off",gate signal's "on/off",PWM(Pulse Width Modulation)percentage and PWM frequency.The experimental results indicated that the design is practical and can satisfy the practical needs

Image Acquisition and Data Management System in Laser Clean Tooth Machine

提要研制的激光洁牙图像采集与数据管理系统是采用Direct Show和数据库技术开发而成。系统能实时记录、显示洁牙过程,实现医疗资料的数字化管理。医疗人员通过观察系统显示屏方便地执行洁牙操作,保护了医疗人员眼睛免受激光伤害,解决了传统激光牙科器械无法为医疗纠纷提供原始医疗资料的问题。Image Acquisition and Data Management system in Laser clean tooth machine is developed based on DirectShow and database technology. It can real-timely record and display the process while cleaning tooth, achieve the digital management on medical treatment data. Therefore, depending on the display, it helps dentist carry out operation conveniently, protects his eyes from being hurt by Laser. Moreover, the system could provide necessary information in case of medical treatment dissension, which isn't possessed in the traditional Laser clean tooth machine

A Annular Waveguide Laser With a Solid Beam Output

本文介绍了一种结构新颖的、具有环形增益介质的环波导CO2激光器。该激光器采用了一个结构简易的光束变换系统,可使出射的环状平行光束转换为实心平行光束。从而大大地拓宽了该激光器的应用范围。A new structure of the annular waveguide CO2 laser is presented in this paper. A simple beam trans-formeris used that transform the annular bean to solid beam. So that the application regions of the annular waveguide laser may be added

Technologies of MEMS packaging

【中文文摘】介绍了微机电(MEMS)封装技术,包括晶片级封装、单芯片封装和多芯片封装、模块式封装与倒装焊3种很有前景的封装技术。指出了MEMS封装的几个可靠性问题,最后,对MEMS封装的发展趋势作了分析。 【英文文摘】The technologies of MEMS packaging are introduced,including three promising technologies:wafer level packaging,single-chip packaging and multi-chip packaging,modular MEMS packaging and flip-chip bonding for MEMS packaging.Then several reliability issues in MEMS packaging are pointed out,and a forecast is given for its future trends

Study on key fabrication process of micro F-P cavity tunable filter

采用表面加工工艺,AZ5214E光刻胶进行光刻并反转,磁控溅射Ni Cr合金,剥离出高度为2.3μm的金属桥墩,填充聚酰亚胺作为牺牲层,再在牺牲层上光刻、沉积金属形成金属桥面,在金属桥面的中心嵌入第二布拉格反射镜。采用O2等离子体刻蚀去除聚酰亚胺膜,制作成微法布里—珀罗(F-P)腔,不需要硅片键合,克服了传统F-P腔高度不够高、调谐范围有限、腔平整度不好以及对设备要求高的缺点,并且可以做出大阵列结构,易于探测器集成。着重对腔体关键工艺,即金属桥墩的Ni Cr剥离工艺进行研究,针对现有技术缺陷,提出解决办法。Using surface processing technology,AZ5214 E photoresist lithography and inverted,magnetron sputtering Ni Cr alloy,stripping out metal pier with height of 2. 3 μm,fill polyimide as sacrificial layer,and then on sacrificial layer photolithography,depositing metal to form metal bridge,in the center of metal bridge surface,embed the second Bragg reflector. Using O2 plasma etch and remove polyimide film,form cavity structure,without silicon bonding,overcome shortcoming that height is not high enough and the limited tuning range of traditional FP cavity,bad flatness of cavity and low demand of equipment,and it can make a large array structure,easy to integrate with the detector. Focus on key fabrication process that is Ni Cr metal stripping process,propose solutions based on existing technical defects.深圳市科技研发资金资助项目(JCYJ20140529163538765

Analysis and design of MEMS-based F-P cavity filter

通过对微光纤法布里-珀罗(F-P)腔滤波器工作原理的综合分析,确立了微F-P腔滤波器静电驱动腔长调谐方案。对可调谐滤波器的主体部分进行光学设计和; 分析,确立了反射镜的多层薄膜光学结构,并借助ANSYS有限元力电耦合分析,最终选择L型桥臂支撑的腔体结构,可以实现0.625; mum的调谐范围;保持桥面平行的能力很高,可实现高精度的滤波效果;结构稳固,能够抵抗制造时的残余应力。By comprehensive analysis on working principle of micro F-P cavity; filter,the optimum tuning scheme of micro F-P cavity filter is; established. The main part of the optical structure is designed, a; multilayer film structures of the mirror is established,and with the; help of ANSYS finite element electro-mechanical coupling analysis,L type; bridge arm supported cavity structure is finally established, the; structure can achieve a considerable range of tuning 0.625 mum;; relatively high fill factor,filter light leakage is avoided; the high; ability to keep parallel can achieve high precision filtering effect;; structural stability can resist the residual stress of manufacture.深圳市科技计

基于双岛结构的多晶硅纳米薄膜压力传感器

为解决传统半导体压力传感器温度特性差、非线性度高等问题,设计一种基于双岛结构的多晶硅纳米薄膜压力传感器。利用有限元分析软件分析硅膜结构的应力分布规律,确定力敏电阻的最佳布局,进一步提高了传感器的灵敏度。这种压力传感器兼具温度特性好、灵敏度高、线性度好等综合性能。福建省科技厅引导性(重点)项目(2017H032);;莆田学院激光精密加工工程技术研究中心开放基金项目(2016JZA014

Gigabit ethorplet:review and future

以太网现在已经是最普遍的局域网技术 ,占领了 90 %以上的市场。本文对以太网的原理做了介绍 ,回顾了以太网的发展历程 ,介绍了千兆位以太网的概念及相关标准 ,同时介绍了几种千兆位以太网的实现 ,最后展望了以太网的最新方向——— 10G以太网Ether NET is the most prevalent LAN technic now,it has occupied almost 90% LAN market.This paper introduced the principle of Ethernet,reviewed te course of it,and introduce the standard of Gigabit Ether Net.At last,We prospected the new development of GbE-10G Ether Net

The Technology of Virtual Instrument Based on PC

本文简要介绍了基于PC的虚拟仪器的概念、特点、系统组成、应用和发展趋势厦门大学预研基金资助项目,项目编号:0620·y0700