15μM air gap 8×8/4×4 pixels single crystal silicon continuous membrane deformable mirror

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We propose, design and fabricate here an electrostatically actuated continuous single-crystal-silicon membrane deformable mirror (DM) for astronomical observation. To get a large stroke, a bimorph spring array is used to generate a large air gap between the mirror membrane and the electrode. A DM with a 1.8mm× 1.8mm mirror membrane is fabricated by combining Au-Si eutectic wafer bonding and the subsequent all-dry release process. The stroke of the DM is 3.5μm at 115V. The influence function on the nearest neighbor is 51%. The fill factor of the DM is 99.9%.

Original languageEnglish
Title of host publication2013 Transducers and Eurosensors XXVII
Subtitle of host publicationThe 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013
Pages2501-2504
Number of pages4
DOIs
Publication statusPublished - 2013 Dec 1
Event2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013 - Barcelona, Spain
Duration: 2013 Jun 162013 Jun 20

Publication series

Name2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013

Other

Other2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013
CountrySpain
CityBarcelona
Period13/6/1613/6/20

Keywords

  • Au-Si eutectic
  • continuous membrane
  • deformable mirror
  • integration technology
  • single crystal silicon

ASJC Scopus subject areas

  • Hardware and Architecture
  • Electrical and Electronic Engineering

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