发明公开
EP2158520A1 KINEMATIC CHUCKS FOR RETICLES AND OTHER PLANAR BODIES 审中-公开
对于标线和其它面体KINEMATIC夹具

KINEMATIC CHUCKS FOR RETICLES AND OTHER PLANAR BODIES
摘要:
Devices are disclosed for holding and moving a planar body such as a reticle as used, for example, in microlithography. An exemplary device includes a stage and a body chuck. The stage has a movable support surface. A proximal region of a first membrane is mounted to the support surface. A distal region of the first membrane extends from the support surface and is coupled to the chuck such that the first membrane at least partially supports the chuck. The chuck includes a surface from which multiple pins extend. The surface is situated at the distal region. The pins are arrayed to contact and support a respective region of the body. The pin arrangement is configured such that, during movements of the chuck imparted by the support surface, body slippage relative to the pins due to forces caused by the movement is substantially uniform at each pin.
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