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  2. Coordinate-measuring machine - Wikipedia

    en.wikipedia.org/wiki/Coordinate-measuring_machine

    A coordinate-measuring machine (CMM) is a device that measures the geometry of physical objects by sensing discrete points on the surface of the object with a probe. Various types of probes are used in CMMs, the most common being mechanical and laser sensors, though optical and white light sensors do exist.

  3. Micrometer (device) - Wikipedia

    en.wikipedia.org/wiki/Micrometer_(device)

    Vernier micrometer reading 5.783 ± 0.001 mm, comprising 5.5 mm on main screw lead scale, 0.28 mm on screw rotation scale, and 0.003 mm added from vernier. Some micrometers are provided with a vernier scale on the sleeve in addition to the regular graduations. These permit measurements within 0.001 millimetre to be made on metric micrometers ...

  4. Mitutoyo - Wikipedia

    en.wikipedia.org/wiki/Mitutoyo

    Mitutoyo America Corporation was formed in 1963 and is headquartered in Aurora, Illinois (just outside Chicago).Mitutoyo America offers the full product line of precision measuring tools, instruments and equipment with a distribution network, training and education classes, software development, and service support to provide a comprehensive metrology organization.

  5. MicroLED - Wikipedia

    en.wikipedia.org/wiki/MicroLED

    On 12 September 2019, Sony announced Crystal LED availability to consumers ranging from 1080p 110-inch (2.8 m) to 16K 790-inch (20 m) displays. [81] Samsung demonstrated a 146-inch (3.7 m) microLED display called The Wall at CES 2018. [82] In July 2018, Samsung announced plans on bringing a 4K microLED TV to consumer market in 2019. [83]

  6. Micrometer - Wikipedia

    en.wikipedia.org/wiki/Micrometer

    Micrometer can mean: Micrometer (device), ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Light-emitting diode physics - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_physics

    A LED is a long-lived light source, but certain mechanisms can cause slow loss of efficiency of the device or sudden failure. The wavelength of the light emitted is a function of the band gap of the semiconductor material used; materials such as gallium arsenide , and others , with various trace doping elements , are used to produce different ...