| 摘要 |
The present invention relates to atom probe pulse energy. One aspect of the invention is directed toward a method that includes establishing a data relationship between pulse energy and bias energy for a target evaporation rate. In selected embodiments, establishing a data relationship can include determining an equivalent pulse fraction for a selected pulse energy and bias energy combination based on a local change in bias energy compared to a local change in pulse energy associated with the selected pulse energy and bias energy combination. Another aspect of the invention is directed toward a method that includes determining an equivalent pulse fraction for a first bias energy and pulse energy combination and/or a second bias energy and pulse energy combination based on the difference between the first bias energy and the second bias energy compared to the difference between the first pulse energy and the second pulse energy.
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