Patent ID: 11862429
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An ion implantation system comprising:
a sample platform;
an ion gun;
an electrostatic linear accelerator;
a direct current (DC) final energy magnet (FEM);
a processor; and
a computer readable medium storing software, wherein the software includes an instruction comprising:
applying a wafer acceptance test (WAT) recipe to a test sample;
calculating a recipe for the direct current (DC) final energy magnet (FEM);
calculating a real energy of the DC FEM by data obtained from applying the WAT recipe to the test sample;
verifying a tool energy shift;
tuning the DC FEM based on the verified tool energy shift; and
obtaining a magnetic field of the DC FEM.