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Calvin Quate

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Calvin Quate
Born
Calvin Forrest Quate

(1923-12-07)December 7, 1923
Baker, Nevada, U.S.
DiedJuly 6, 2019(2019-07-06) (aged 95)
Menlo Park, California, U.S.
Alma mater
Known for
AwardsIEEE Medal of Honor (1988)
National Medal of Science (1992)
Kavli Prize (2016)
Scientific career
FieldsElectrical engineering
InstitutionsPARC
Sandia National Labs
Thesis Traveling wave tubes as low noise amplifiers  (1950)

Calvin Forrest Quate (December 7, 1923 – July 6, 2019) was one of the inventors of the atomic force microscope. He was a professor emeritus of Applied Physics and Electrical Engineering at Stanford University.

Education

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He earned his bachelor's degree in electrical engineering from the University of Utah College of Engineering in 1944, and his Ph.D. from Stanford University in 1950.[1]

Career and research

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Quate is known for his work on acoustic and atomic force microscopy. The scanning acoustic microscope, invented with a colleague in 1973, has resolution exceeding optical microscopes, revealing structure in opaque or even transparent materials not visible to optics.

In 1981, Quate read about a new type of microscope able to examine electrically conductive materials. Together with Gerd Binnig and Christoph Gerber, he developed a related instrument that would work on non-conductive materials, including biological tissue, and the Atomic Force Microscope was born.[2] AFM traces surface contours using a needle to maintain constant pressure against the surface to reveal atomic detail.[3] AFM is the foundation of the $100 million nanotechnology industry. Binnig, Quate and Gerber were rewarded with the Kavli Prize in 2016 for developing the Atomic Force Microscope.

Quate was a member of the National Academy of Engineering and National Academy of Sciences. He was awarded the 1980 IEEE Morris N. Liebmann Memorial Award and the IEEE Medal of Honor in 1988 for "the invention and development of the scanning acoustic microscope."[4] Quate became a senior research fellow at the Palo Alto Research Center (PARC) in 1984.[4] In 2000, he became a recipient of the Joseph F. Keithley Award For Advances in Measurement Science. He was a fellow of the Norwegian Academy of Science and Letters.[5] Quate died on July 6, 2019, at the age of 95.[6][7]

References

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  1. ^ "Calvin Quate". Kavli Prize. June 2, 2016. Retrieved September 17, 2017.
  2. ^ Binnig, G.K.; Quate, C.F.; Gerber, C. (1986). "Atomic Force Microscope". Phys. Rev. Lett. 56 (9): 930–933. Bibcode:1986PhRvL..56..930B. doi:10.1103/physrevlett.56.930. PMID 10033323.
  3. ^ Giessibl, Franz J.; Quate, Calvin F. (2006). "Exploring the nanoworld with atomic force microscopy". Physics Today. 59 (12): 44–50. Bibcode:2006PhT....59l..44G. doi:10.1063/1.2435681.
  4. ^ a b "Calvin F. Quate, 1923 -". IEEE. 1988. Archived from the original on March 28, 2008. Retrieved March 26, 2009.
  5. ^ "Group 2: Astronomy, Physics and Geophysics". Norwegian Academy of Science and Letters. Archived from the original on December 22, 2017. Retrieved December 22, 2017.
  6. ^ News, Mirage (July 10, 2019). "Calvin F. Quate, inventor of advanced microscopes, dies at 95". Mirage News. Retrieved December 14, 2021. {{cite web}}: |last= has generic name (help)
  7. ^ Rugar, Daniel; Giessibl, Franz (August 23, 2019). "Calvin F. Quate (1923–2019)". Science. 365 (6455): 760. Bibcode:2019Sci...365..760R. doi:10.1126/science.aay9386. PMID 31439786. S2CID 201616295. Retrieved December 14, 2021 – via science.org (Atypon).
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