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Title: A tabletop X-ray tomography instrument for nanometer-scale imaging: reconstructions

Journal Article · · Microsystems & Nanoengineering (Online)
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [4];  [3];  [4];  [2];  [4];  [3];  [4]
  1. National Institute of Standards and Technology (NIST), Gaithersburg, MD (United States)
  2. National Institute of Standards and Technology (NIST), Boulder, CO (United States)
  3. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
  4. National Institute of Standards and Technology (NIST), Boulder, CO (United States); Univ. of Colorado, Boulder, CO (United States)

We show three-dimensional reconstructions of a region of an integrated circuit from a 130 nm copper process. The reconstructions employ x-ray computed tomography, measured with a new and innovative high-magnification x-ray microscope. The instrument uses a focused electron beam to generate x-rays in a 100 nm spot and energy-resolving x-ray detectors that minimize backgrounds and hold promise for the identification of materials within the sample. The x-ray generation target, a layer of platinum, is fabricated on the circuit wafer itself. A region of interest is imaged from a limited range of angles and without physically removing the region from the larger circuit. The reconstruction is consistent with the circuit’s design file.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); Intelligence Advanced Research Projects Activity (IARPA)
Grant/Contract Number:
NA0003525; D2019-1908080004; D2019-1906200003; D2021-2106170004; FA8702-15-D-0001
OSTI ID:
1969760
Alternate ID(s):
OSTI ID: 2469879
Journal Information:
Microsystems & Nanoengineering (Online), Vol. 9, Issue 1; ISSN 2055-7434
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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