Patent Number: 
Section: claims

1. An X-ray mask with a micro-actuator comprising: a mask portion including a thin shuttle mass and an X-ray absorber attached on the shuttle mass;  a mask holder portion formed around the mask portion with a predetermined distance maintained therebetween;  at least one elasticized supporter for elastically connecting the mask portion and the mask holder portion; and  a micro-actuator unit prepared between the mask portion and the mask holder portion for precisely controlling a position of the mask portion when a voltage is applied. 2. The X-ray mask of  claim 1 , wherein the micro-actuator unit includes a plurality of moving electrodes formed along the external side of the mask portion and a plurality of stationary electrodes prepared along the internal side of the mask holder portion. claim 1 3. The X-ray mask of  claim 1 , wherein the moving electrodes and the stationary electrodes are alternately arranged with a predetermined distance intervened therebetween. claim 1 4. The X-ray mask of  claim 1 , wherein the elasticized supporters are connected from four external corners of the mask portion to four corresponding internal corners of the mask holder portion, respectively. claim 1