共查询到15条相似文献,搜索用时 281 毫秒
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为维持MEMS硅微陀螺的真空度,利用两次硅-玻璃阳极键合和真空长期维持技术,实现了MEMS硅微陀螺的圆片级真空气密性封装。制作过程包括:先将硅和玻璃键合,在硅-玻璃衬底上采用DRIE工艺刻蚀出硅振动结构;再利用MEMS圆片级阳极键合工艺在10-5 mbar(1 mbar=100 Pa)真空环境中进行封装;最后利用吸气剂实现圆片的长期真空气密性。经测试,采用这种方式制作出的硅微陀螺键合界面均匀平整无气泡,漏率低于5.0×10-8 atm.cm3/s。对芯片进行陶瓷封装,静态下测试得出品质因数超过12 000,并对样品进行连续一年监测,性能稳定无变化。 相似文献
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无压力辅助硅/玻璃激光局部键合 总被引:1,自引:0,他引:1
提出了一种新的无需外压力作用的硅/玻璃激光局部键合方法,通过对晶圆进行表面活化处理,选择合适的激光参数及加工环境,成功地实现了无压力辅助硅/玻璃激光键合.同时研究了该键合工艺参数如激光功率、激光扫描速度、底板材料等的影响.实验表明,激光功率越大,扫描速度越小,键合线的宽度就越大.实验结果显示,该方法能有效减少键合片的残余应力,控制键合线宽,并能得到较好的键合强度.该工艺可为MEMS器件的封装与制造提供简洁、快速、键合区可选择的新型键合方法. 相似文献
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给出了一种硅微机械陀螺制造方法,该方法可适用于各种不同的微机电系统(MEMS)器件,包括加速度计、剪切应力传感器及MEMS光开关等。利用该方法制备了硅微机械陀螺,并给出了该陀螺的性能测试结果。同时分析了利用该方法制备各种不同器件时,工艺流程对器件性能的影响,重点讨论了硅-玻璃阳极键合、减薄工艺及深刻蚀所形成的侧壁质量,包括侧壁垂直度、侧壁杂质等因素对器件性能的影响。 相似文献
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吴中川 《太赫兹科学与电子信息学报》2013,11(3):355-358
基于电感膜片矩形波导滤波器设计方法和加工流程,设计了一个220 GHz带通滤波器。滤波器采用玻璃片—硅片—陶瓷片结构,由硅片形成电感膜片结构,玻璃片、陶瓷片键合在硅片上形成闭合的谐振腔,采用集成电路的制作工艺,在加工前分析了工艺特性,优化了滤波器尺寸,避免工艺对滤波器关键尺寸的影响。采用信号源、功率计进行测试,测试结果表明,滤波器在220 GHz具有通带特性,带内损耗约为7 dB。 相似文献
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Huang C.-U. Chen I.-Y. Chen H.J.H. Jou C.F. Huang S.R.-S. 《Electronics letters》2005,41(21):1149-1151
A MEMS meander monopole antenna is fabricated in the form of a folded microstrip on the upper and bottom surfaces of the substrate. This design is based on the meander line principle with a three-dimensional structure to achieve reduced size compared to many other small size printed antennas. The MEMS technologies, such as excimer laser drilling and copper electroplating were used in the fabrication of this antenna. This antenna can be mounted on the silicon wafer by anodic bonding technology. The design features 2.45 GHz operating frequency with 190 MHz bandwidth for WLAN applications. The geometric length of the antenna is 21 mm, and the width is 4 mm. Measured results have good agreement with simulation data. 相似文献
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Micro anchor is a kind of typical structures in micro/nano electromechanical systems (MEMS/NEMS), and it can be made by anodic bonding process, with thin films of metal or alloy as an intermediate layer. At the relative low temperature and voltage, specimens with actually sized micro anchor structures were anodically bonded using Pyrex 7740 glass and patterned crystalline silicon chips coated with aluminum thin film with a thickness comprised between 50 nm and 230 nm. To evaluate the bonding quality, tensile pulling tests have been finished with newly designed flexible fixtures for these specimens. The experimental results exhibit that the bonding tensile strength increases with the bonding temperature and voltage, but it decreases with the increase of the thickness of Al intermediate layer. This kind of thickness effect of the intermediate layer was not mentioned in the literature on anodic bonding. 相似文献