| 1. | Design of the measurement and control system of quartz crystal wafer sorting machine in a - network
网络石英晶片自动分选机测控系统设计 |
| 2. | Single crystal wafers applied for surface acoustic wave device - specification and measuring method
表面声波装置用单晶薄片.规范和测量方法 |
| 3. | Company operation scope focuses on crystal growth and slicing , lapping and polishing of crystal wafers
兆晶科技的主要制程有钽酸锂晶圆之长晶、切片、研磨、抛光等。 |
| 4. | Single crystal wafers for surface acoustic wave device applications - specifications and measuring methods iec 62276 : 2005 ; german version en 62276 : 2005
用于表面声波装置的单晶硅片.规范和测量方法 |
| 5. | Tera xtal manufactures a variety of oxide single crystal wafers for wireless communication , opto - electronic and light emitting diode ( led ) applications
兆晶制作多样的氧化物晶圆以提供无线通讯、光电等产业应用。 |
| 6. | Company operation scope focuses on crystal growth and slicing , lapping and polishing of crystal wafers . the company is one of the few qualified crystal growth companies in asia outside of japan
进行目标为提供无线通讯上应用之表面声波( surfaceacousticwave , saw )滤波器用之晶片。 |
| 7. | To avoid the noise and the polarization effect , the most suitable structure for cdse detectors made up of perfect crystal wafers should be that : it - n contact as anode , mis contact as cathode
当晶片的质量较好时， cdse探坝器的最佳结构是正极采用高阻半导体低阻n型半导体铡删x负极采用misw 。 |
| 8. | Tera xtal technology corporation earns iso 9001 certification . january 12 , 2002 ( taipei , taiwan ) tera xtal technology corporation today announces that it has been officially certified as an iso 9001 - compliant manufacturer of " single crystal wafers "
由于研发能力强、生产技术纯熟，加上其以提供超越客户预期的高品质产品为目标，该公司将打破国内过去由日货垄断的局面。 |
| 9. | This paper mainly accomplished the following research : summarize the classify and application fields of four - probe testing technology ; take the square four - probe testing technology study by using the advantage of rymaszewski method in auto - eliminating the portrait wandering influence to induct ry method to square - probe testing method ; deeply study the influence of probe wandering to progressed ry method testing result ; complete the design of testing panel and testing circuit , realize the auto - testing of mono crystal wafer ; discuss the image enhancement and threshold selection problem in image identify , and finally accomplish the identify of probe pinpoint . the main new view points of the research : 1 . it is the first time for applying image manipulation and analysis technique to the sheet resistance measurement , and achieving the auto - location function of the probe
为此，本文开展了以下研究工作：综述了四探针技术的分类以及应用范围；对方形四探针测试技术进行了研究，利用rymaszewski法自动消除探针纵向游移影响的优点，将它应用于方形探针测试法中，并对探针游移对改进rymaszewski法测试结果的影响进行了深入探讨，提出了用图像识别技术监测测试进行的方法；完成了测试系统的测试平台以及测试电路的设计，研制出具有图像识别功能的斜置式方形探针分析仪一台，实现了硅片电阻率测试的自动化；对图像识别过程中涉及到的图像增强和阈值选择问题进行了论述，最终实现了对探针针尖的图像识别以及探针测试结构的自动调整，保证了方形探针测试仪的测试精度。 |
| 10. | Tantalum lithium ( litao3 ) , a novel single crystal material , developed and industrialized with the development of communication and information industries recently , owns the excellent performances such as high mechanical - electrical coupling coefficient , lower wear - resistance , excellent high - temperature stability , excellent high - frequency capability , etc . however , researches on tantalum lithium single crystal wafer around world are still lacking
钽酸锂是近年来随着通讯、信息产业迅速发展而开发并产业化的新型光电子材料。它具有机电耦合系数大、低损耗、高温稳定性、高频性能好等优良的压电、电光和热电性能。 |
