The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 23, 2021

Filed:

Jun. 12, 2020
Applicant:

Fei Company, Hillsboro, OR (US);

Inventors:

Yuchen Deng, Eindhoven, NL;

Petrus Hubertus Franciscus Trompenaars, Eindhoven, NL;

Bart Buijsse, Eindhoven, NL;

Alexander Henstra, Eindhoven, NL;

Assignee:

FEI Company, Hillsboro, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/30 (2006.01); H01J 37/21 (2006.01); H01J 37/28 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3005 (2013.01); H01J 37/21 (2013.01); H01J 37/28 (2013.01);
Abstract

Methods for using a dual beam microscope system to simultaneously process a sample and image the processed portions of the sample, according to the present disclosure include the initial steps of emitting a plurality of electrons toward the sample, splitting the plurality of electrons into two electron beams, and then modifying the focal properties of at least one of the electron beams such that the two electron beams have different focal planes. Once the two beams have different focal planes, the first electron beam is focused such that it acts as a STEM beam. The STEM beam is then used to process a region of the sample to induce a physical change (e.g., perform milling, deposition, charge adjustment, phase change, etc.). The second electron beam is focused to act as a TEM beam to perform imaging of the region of the sample being processed.


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