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  2. Thermochemical nanolithography - Wikipedia

    en.wikipedia.org/wiki/Thermochemical_nanolithography

    Thermochemical nanolithography (TCNL) or thermochemical scanning probe lithography (tc-SPL) is a scanning probe microscopy-based nanolithography technique which triggers thermally activated chemical reactions to change the chemical functionality or the phase of surfaces.

  3. Thermal scanning probe lithography - Wikipedia

    en.wikipedia.org/wiki/Thermal_scanning_probe...

    The resolution of t-SPL is determined by the probe tip shape and not limited by the diffraction limit or by the focal spot size of beam approaches, however, tip-sample interactions during the in-situ metrology process create tip wear, [24] limiting the lifetime of the probes. In order to extend the lifetime of the probe tips ...

  4. Scanning probe lithography - Wikipedia

    en.wikipedia.org/wiki/Scanning_probe_lithography

    Scanning probe lithography [1] (SPL) describes a set of nanolithographic methods to pattern material on the nanoscale using scanning probes. It is a direct-write, mask-less approach which bypasses the diffraction limit and can reach resolutions below 10 nm. [ 2 ]

  5. U.S. government to give out free COVID-19 tests. Here's how ...

    www.aol.com/u-government-free-covid-19-214600104...

    The federal government will again provide free COVID-19 test kits to U.S. residents beginning next week. All households will be eligible to order four free tests starting Sept. 25, according to ...

  6. Scanning thermal microscopy - Wikipedia

    en.wikipedia.org/wiki/Scanning_thermal_microscopy

    Solid-solid conduction. Probe tip to sample. This is the transfer mechanism which yields the thermal scan. Liquid-liquid conduction. When scanning in non-zero humidity, a liquid meniscus forms between the tip and sample. Conduction can occur through this liquid drop. Gas conduction. Heat can be transferred through the edges of the probe tip to ...

  7. How to order free at-home COVID-19 tests from the government

    www.aol.com/news/order-free-home-covid-19...

    Americans can order free at-home COVID-19 test kits from the government. Here's everything you need to know to get free rapid tests for COVID testing at home.

  8. Tip-enhanced Raman spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Tip-enhanced_Raman...

    Tip-enhanced Raman spectroscopy (TERS) is a variant of surface-enhanced Raman spectroscopy (SERS) [1] that combines scanning probe microscopy with Raman spectroscopy. High spatial resolution chemical imaging is possible via TERS, [2] with routine demonstrations of nanometer spatial resolution under ambient laboratory conditions, [3] or better [4] at ultralow temperatures and high pressure.

  9. More free COVID-19 test kits available through USPS starting ...

    www.aol.com/more-free-covid-19-test-185823864.html

    Beginning Nov. 20, households that ordered COVID tests this fall may request four more. Anyone who did not order tests this fall may place 2 orders.

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