Mechanical design of laminar weak-link mechanisms with...

Details Mechanical design of laminar weak-link mechanisms with... Mechanical design of laminar weak-link mechanisms with...

2011-08-09

2011-08-09

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

07994688

ABSTRACT:
An enhanced mechanical design for laminar weak-link mechanisms with centimeter-level travel range and sub-nanometer positioning resolution is provided. A multiple parallelogram weak-link structure includes a predefined pattern of a plurality of perpendicularly arranged groups of connecting links, each link having at least one pair of weak-link connections. Each of the plurality of perpendicularly arranged groups includes a terminal for mounting to a fixed base. The multiple parallelogram weak-link structure includes a moving part for mounting on a carriage, providing precisely controlled movement with stability in one direction. A two-dimensional (2D) ultra-precision scanning stages assembly for x-ray nanoprobe applications includes multiple redundantly constrained weak-link structures, a vertical ultra-precision positioning stage, and a horizontal ultra-precision positioning stage.

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U.S. Appl. No. 11/634,681, filed Dec. 6, 2006 by Chian Q. Liu, and entitled “Method of Making and Structure of Multilayer Laue Lens for Focusing Hard X-Ray”.

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