Patent ID: 11899374
Assignee: ASML NETHERLANDS B.V.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. A computer program product comprising a non-transitory computer readable medium having instructions therein, the instructions, when executed by a computer system, configured to cause the computer system to at least:
obtain a mask stack region of interest, the mask stack region of interest being divided into sub regions, the mask stack region of interest having one or more characteristics associated with propagation of electromagnetic waves through the mask stack region of interest; and
determine an electromagnetic field associated with the mask stack region of interest, based on the sub regions of the mask stack region of interest and the one or more characteristics associated with the propagation of electromagnetic waves through the mask stack region of interest, using one or more electromagnetic field determination expressions based on the Maxwell Equations and the Quantum Schrodinger Equation.