Patent ID: 8342055

Claim:
A double toggle type positioning platform, comprising: a base; a screw disposed on said base; means for rotating said screw on said base; a first link on said base, a first end of said first link coupled to said screw and moving back and forth along a direction of said first link with rotation of said screw, wherein a first angle is between said first link and said screw; a first linear restriction element disposed on the base, for restricting a portion away from the first point of said first link moving back and forth along a direction of the first linear restriction element; a second link on said base, a first end of said second link coupled to a second end of said first link, wherein a second angle is between said first linear restriction element and said second link; a platform on said base and coupled to a second end of said second link, wherein the platform has a resolution, and wherein said first angle and said second angle are for increasing said resolution to at least 50 nm; and a second linear restriction element for restricting said platform moving back and forth along a direction of said second linear restriction element.