Patent ID: 7088430
Filing Date: 2006-08-08
Classification: G03F

Abstract:
1. A photomask positioning apparatus, for a photomask box having a substrate comprising fixing devices formed at two sides thereof, each fixing device having a holding element for holding against a photomask, one side of the holding element having a plurality of limiting plates, a lid covering a top of the substrate and the lid enclosing a containing space for receiving the photomask, the photomask positioning apparatus comprising: a positioning device, respectively disposed at two sides of a bottom of the containing space, the positioning device comprising a base, one end of which comprises a bended fixed portion connected to a bottom of the containing space and the other end of which is away from the fixed portion comprises a banded positioning portion such that the photomask can be positioned between the positioning portions set at the two sides of the containing space, wherein the positioning portion of the positioning device comprises a guiding surface, and wherein pulleys are set on the guiding surface.