Patent ID: 6278957
Filing Date: 2001-08-21
Classification: G03F

Abstract:
A method of transferring a pattern formed on a mask to each of a plurality of processing areas arranged on a substrate in accordance with a predetermined arrangement coordinate system .alpha..beta., wherein each of said plurality of processing areas has a specific point and a plurality of marks for alignment arranged by a predetermined positional relationship with respect to said specific point, said method comprising:measuring coordinate positions of a predetermined number of marks selected from several processing areas of said plurality of processing areas on a static coordinate system XY for defining a moving position of said substrate;calculating error parameters A, B, and O which minimize each of deviations between said measured coordinate positions and coordinate positions Fn determined by a following equation in each of said several processing areas, to determine the coordinate positions Fn (n=1, 2, 3 . . . ) of said respective specific points on said plurality of processing areas on said static coordinate system XY based on the following equation:Fn=A.multidot.Cn+B.multidot.Sn+O or Fn=A(Cn+B.multidot.Sn)+Owherein Cn expresses coordinate positions of said specific points of said plurality of processing areas on said arrangement coordinate system .alpha..beta., and Sn expresses coordinate positions of said alignment marks on arrangement coordinate system xy defined in said processing areas with reference to said specific points; andtransferring said pattern of said mask to each of said processing areas by moving said substrate in accordance with the coordinate positions Fn determined from said calculated error parameters.