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         MEMS Fabrication                                       1.9.2005 8:59pm  39










            LIGA                                                 Mold
                 3D structures formed  by mold fabrication,  followed by injection molding or electroplating.  .











                           Silicon  Substrate      Silicon  Substrate  Laboratories.)







          Bulk  Micromachining  Membrane  p ++  (B)  Wet Etch Patterns  Holes  Dry Etch Patterns  National  Sandia
                 3D structures formed  by wet or dry  etching of silicon  substrate.  Nozzle  [111]  Channels  (Courtesy:





                             Groove

                                          [100]  54.7                categories.

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          Surface  Micromachining                                Silicon Substrate  fabrication  MEMS
                 Structures formed  by deposition and  etching of sacrificial and structural thin films.  Poly Si  3.1  FIGURE  © 2006 by Taylor & Francis Group, LLC
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