Patent · US Active

Membrane device the membrane of which can be deformed by actuation with a fast response time

US8422142B2 · kind B2 · utility

4Cited by
2References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 18, 2011
Grant dateApr 16, 2013
Priority date
Expiry dateOct 19, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B13/0075
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Device including a membrane and a support defining a cavity containing a fluid, where the membrane includes an anchoring area to the support, a central area able to be deformed following a displacement of fluid and an actuation area between the anchoring and central areas, and means of actuation to apply stress to the membrane in the actuation area and cause a displacement of the fluid to the central area following an actuation. The cavity includes a main chamber in the central area and a peripheral chamber in the actuation area communicating with the main chamber. The peripheral chamber includes at least one forced flow structure favoring the flow of at least a part of the fluid from the peripheral chamber to the main chamber or vice versa following the actuation. A given forced flow structure has no attachment both to the support and to the membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.