{"title":"A quantitative analysis of Scratch Drive Actuator using buckling motion","authors":"T. Akiyama, H. Fujita","doi":"10.1109/MEMSYS.1995.472603","DOIUrl":null,"url":null,"abstract":"This paper presents a surface micromachined polysilicon actuator which employs an electrostatic driven Scratch Drive Actuator (SDA) to generate a force that can move an extemal object. The micro actuator consists of the SDA, a link frame and a buckling beam. Using this structure, generated forces of the SDA as a function of applied pulse peak voltages were measured. A typical generated force was 63 pN at +112 V pulse peak voltage. Indirect and direct methods of obtaining physical work from the micro actuator are presented. The actuator could lift 1 mg weight up at a height of about 100 pm from the wafer surface by the direct method. The total energy of this work was 1 nJ.","PeriodicalId":273283,"journal":{"name":"Proceedings IEEE Micro Electro Mechanical Systems. 1995","volume":"363 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"74","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings IEEE Micro Electro Mechanical Systems. 1995","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.1995.472603","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 74
Abstract
This paper presents a surface micromachined polysilicon actuator which employs an electrostatic driven Scratch Drive Actuator (SDA) to generate a force that can move an extemal object. The micro actuator consists of the SDA, a link frame and a buckling beam. Using this structure, generated forces of the SDA as a function of applied pulse peak voltages were measured. A typical generated force was 63 pN at +112 V pulse peak voltage. Indirect and direct methods of obtaining physical work from the micro actuator are presented. The actuator could lift 1 mg weight up at a height of about 100 pm from the wafer surface by the direct method. The total energy of this work was 1 nJ.
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