Patent ID: 8423926
Filing Date: 2013-04-16
Classification: B82Y,G03F

Abstract:
1. An acceptance determining method of a blank for an extreme ultraviolet (EUV) mask comprising: evaluating, by using a computer, whether an integrated circuit device becomes defective, on the basis of information of a defect contained in a blank for an EUV mask and design information of a mask pattern to be formed on the blank, the integrated circuit device being to be manufactured by using the EUV mask, the EUV mask being manufactured by forming the mask pattern on the blank, the evaluating including: it being determined that the device to be defective can be remedied in a case that the position to which the defect is to be transferred is within the region and the number of the defects is not more than the number capable of remedy, the blank being determined to be non-defective in a case that the integrated circuit device is not to be defective or in a case that the integrated circuit device to be defective can be remedied.