EXPOSURE OPERATION EVALUATION METHOD FOR EXPOSURE APPARATUS AND MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE
Patent №
US 7,704,652
Granted
2010-04-27
Filed 2006
Owner
SHARP KABUSHIKI KAISHA
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
11502771
An exposure operation evaluation method for an exposure apparatus for arranging a predetermined number of at least one evaluation pattern in an overlapping area and printing the at least one evaluation pattern on a substrate when performing a plurality of exposures and printing on the substrate while sequentially step-moving an exposure area in quadrangle, the exposure area having evaluation patterns arranged on an outer peripheral side of a circuit pattern, the overlapping area overlapping respective exposure areas adjacent to four sides of the exposure area, the method including: measuring a printing misalignment between each evaluation pattern of adjacent exposure areas printed on the substrate; and calculating a plurality of linear components in an exposure operation of the exposure apparatus based on the result of the measurement of the printing misalignment and suppressing and controlling the printing misalignment based on the plurality of linear components.
AI classification
Ownership
SHARP KABUSHIKI KAISHA
assignment · 186510311
Assignors
HATAI, TETSUYA
On an employer assignment, the assignors are typically the inventors.