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SEM resolution is tested in terms of a combination of criteria, namely resolved gaps and the number of grey levels in the image. This is to ensure that the resolution has not been distorted by using the contrast to maximise visibility of edges. High resolution images ideally should show fine detail together with a lack of noise, evidenced by a good range of grey levels.

For assessments of resolution in scanning electron microscopes, we have developed a range of gold on carbon and tin on carbon test specimens. These specimens are suitable for tests of SE and BSE imaging and also for chemical mapping in high resolution systems such as in Auger scanning instruments.

The specimens can be supplied on most types of specimen stub.

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20 products available

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  1. Gold on Carbon AGS1969 - High Resolution Test Specimen
    High resolution test specimen with a particle size range from approximately 3 - 50nm.
    Average lead time: 1 to 45 days

    From £110.09

    Average lead time: 1 to 45 days
  2. Gold on Carbon AGS1987 - Ultra High Resolution Test Specimen
    Ultra high resolution test specimen with a particle size range from approximately
    Average lead time: 1 to 45 days

    From £179.85

    Average lead time: 1 to 45 days
  3. Tin on Carbon AGS1967 - Resolution Test Specimen
    Resolution test specimen with a particle size range from approximately 10 - 100nm.
    Average lead time: 1 to 45 days

    From £99.23

    Average lead time: 1 to 45 days
  4. Medium resolution aluminium-tungsten dendrites AGS145
    The various spacings created by the dendritic structure of this specimen are suitable for performing point resolution tests and the topographical arrangement of the dendrites for a grey level test.
    In Stock
    £203.04
    In Stock
  5. Gold on Carbon AGS168Z - Low Voltage Resolution Test Specimen
    Low voltage resolution test specimen with a particle size range from approximately <30 - 300nm.
    Average lead time: 1 to 45 days

    From £92.35

    Average lead time: 1 to 45 days
  6. Tin on Carbon AGS1988 - Low Voltage Resolution Test Specimen
    Low voltage resolution test specimen with a particle size range from approximately
    Average lead time: 1 to 28 days

    From £128.19

    Average lead time: 1 to 28 days
  7. Tin on Carbon AGS1937 - Universal Resolution Specimen
    Universal resolution test specimen with a particle size range from approximately <5nm - 30um.
    Average lead time: 1 to 45 days

    From £136.44

    Average lead time: 1 to 45 days
  8. Calibration Specimens on Ultra Thin Substrates
    A range of gold on silicon and tin on silicon specimens specifically developed for use in conjunction with line width calibration wafers or other test systems where the height of a conventional specimen is a problem.
    Average lead time: 1 to 45 days

    From £88.16

    Average lead time: 1 to 45 days
  9. Pelco Nanogold resolution test standards for SEM and FESEM
    Unique gold nanoparticles on silicon provide resolution standards with known and uniform particle size, ideally suited for high resolution tests for SEM, FESEM and FIB/SEM systems.
    Average lead time: 14 to 45 days

    From £162.59

    Average lead time: 14 to 45 days
  10. Reference specimens for backscattered electron detection systems
    An electron microscope, when equipped with a backscattered electron detector, has the capability to produce images in which the contrast is controlled by differences in atomic number (Z) across the specimen.
    Average lead time: 14 to 30 days

    From £296.59

    Average lead time: 14 to 30 days
  11. Duplex reference specimen AGS1953
    An alternative and very sensitive test is by means of an alloy with two major copper/zinc phases separated by an atomic number difference of 0.1.
    Average lead time: 30 days
    £334.88
    Average lead time: 30 days
  12. Pelco Gold Specimen
    This specimen consists of gold platelets with a wide size range and sharp, clearly defined edges, making it useful for determining and correcting astigmatism, and verifying instrument resolution.
    Average lead time: 1 to 45 days

    From £62.70

    Average lead time: 1 to 45 days
  13. Critical dimension (CD) calibration test specimens - 10-5-2-1-0.5um...
    This CD calibration test specimen comprises five line patterns, each one clearly identified by its pitch.
    Average lead time: 1 to 14 days

    From £102.31

    Average lead time: 1 to 14 days
  14. Critical dimension (CD) calibration test specimens - 500-200-100 nm...
    This advanced CD calibration test specimen is suitable for calibrating smaller structures.
    Average lead time: 14 days

    From £757.85

    Average lead time: 14 days
  15. SEM 144nm reference standard
    These 2-D holographic array standards for simultaneous calibration of X and Y axes have unique characteristics that make them easy to use for AFM, STM, Auger, FIB and SEM.
    Average lead time: 14 to 45 days

    POA

    Average lead time: 14 to 45 days
  16. SEM 144nm reference standard, certified
    These 2-D holographic array standards for simultaneous calibration of X and Y axes have unique characteristics that make them easy to use for AFM, STM, Auger, FIB and SEM.
    Average lead time: 14 to 45 days

    POA

    Average lead time: 14 to 45 days
  17. SEM 300nm reference standard
    These 2-D holographic array standards for simultaneous calibration of X and Y axes have unique characteristics that make them easy to use for AFM, STM, Auger, FIB and SEM.
    Average lead time: 14 to 45 days

    POA

    Average lead time: 14 to 45 days
  18. 292nm Reference Standard
    292nm pitch reference standard for very high resolution calibration of AFM, SEM, Auger and FIB.
    Average lead time: 14 to 45 days
    Average lead time: 14 to 45 days
  19. 2-D holographic array standards
    2-D holographic array standards for simultaneous calibration of X and Y axes.
    Average lead time: 14 to 30 days

    POA

    Average lead time: 14 to 30 days
  20. Gold on Carbon AGS168 - Resolution Test Specimen
    Resolution test specimen with a particle size range from approximately 5 - 150nm.
    Average lead time: 1 day

    From £68.23

    Average lead time: 1 day
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PRICE & AVAILABILITY: Please note that while we are working closely with our suppliers to minimise any global supply chain issues, prices and availability may be subject to change at short notice.
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