Calibration standard for a dual beam (FIB/SEM) machine

Details Calibration standard for a dual beam (FIB/SEM) machine Calibration standard for a dual beam (FIB/SEM) machine

2008-05-13

2008-05-13

Nguyen, Kiet T. (Department: 2881)

Radiant energy

Calibration or standardization methods

C250S491100

Reexamination Certificate

active

11119056

ABSTRACT:
Calibration of measurements of features made with a system having a micromachining tool and an analytical tool is disclosed. The measurements can be calibrated with a standard having a calibrated feature with one or more known dimensions. The standard may have one or more layers including a single crystal layer. The calibrated feature may include one or more vertical features characterized by one or more known dimensions and formed through the single crystal layer. A trench is formed in a sample with the micromachining tool to reveal a sample feature. The analytical tool measures one or more dimensions of the sample feature corresponding to one or more known dimensions of the calibrated feature. The known dimensions of the calibrated feature are measured with the same analytical tool. The measured dimensions of the sample feature and the calibrated feature can then be compared to the known dimensions of the calibrated feature.

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