Patent ID: 7829365

Claim:
A method of manufacturing a micro electro-mechanical system comprising at least one fixed electrode formed above a principal surface of a semiconductor substrate and at least one movable electrode formed on said principal surface, said at least one movable electrode including a movable part separated from said principal surface and said at least one fixed electrode, said movable part movable with respect to said principal surface and said at least one fixed electrode, said method comprising: a sacrifical film formation step for forming a sacrifical film above said principal surface; an electrode layer formation step for forming an electrode layer above said principal surface so as to cover said sacrifical film; an etching step for partially etching said electrode layer via a pattern so as to form said at least one electrode and said at least one fixed electrode; a sacrifical film removal step for removing said sacrifical film; and a conducting film formation step for forming a conducting film on surfaces of said at least one electrode and said at least one fixed electrode.