学科分类
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1 个结果
  • 简介:Torsionmicromirrorisakeystructureofopticaldevicesinmicro-electro-mechanicalsystem(MEMS),suchasMEMSopticalswitches,MEMSvariableopticalattenuator,MEMSscanningmicromirrorarrayandsoon.Asilicon-basedNiCrAuMEMStorsionmicromirroristheoreticallyanalyzed.Itisshownthatinordertohave15°rotation,thedrivenvoltageshouldbeabout20Vandthethicknessofthesupportingbeammustbecontrolledintherangeofsubmicronordersofmagnitude.Thisverythinbeammakesthestructuremoreunstableandunreliable,andalsomakesthefabricationmorecomplicated.Basedonparallelback-electrodeanalysisandtesting,atiltedback-electrodehasbeendesignedtoreplacetheparallelback-electrodeinordertodecreasethedrivenvoltageanddifficultyoffabricatingprocessing.Bytheoreticalanalysisandsimulation,aconclusioncanbedrownthatthethicknesscanbeimprovedfromsubmicrontomicronbyusingtiltedback-electrodewhenusingthesamedrivenvoltage.Tiltedback-electrodeisveryeffectivetoimprovethestabilityandreliabilityofthemicromirrorstructure.

  • 标签: MEMS NiCrAu 显微镜 倾斜背面电极