Patent ID: 7742219

Claim:
A micro-mechanical structure comprising: a base; an elastic supporting member having elasticity, the elastic supporting member being formed on the base; and a movable section supported by the elastic supporting member so as to be capable of making a relative move with respect to the base, wherein, the movable section includes: a first plate portion opposing the base via a first gap; and a second plate portion having a link portion, the second plate portion being affixed to the first plate portion via the link portion; wherein the link portion is a vertical rib protruding from the second plate portion toward the first plate portion, and the vertical rib includes: a portion having a first height so as to be in contact with the first plate portion; and a portion having a second height so as to oppose the elastic supporting member via a second gap, the second height being smaller than the first height; the elastic supporting member and the first plate portion are formed so as to be coplanar with each other, and the elastic supporting member is made integral with the first plate portion; and the second plate portion is shaped so as to cover at least a portion of the elastic supporting member, and the vertical rib is not in contact with the elastic supporting member.