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  2. Borescope - Wikipedia

    en.wikipedia.org/wiki/Borescope

    Schematic view of a rigid borescope Borescope in use, showing typical view through the device. A borescope (occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the ...

  3. Optical lens design - Wikipedia

    en.wikipedia.org/wiki/Optical_lens_design

    Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Parameters include surface profile types (spherical, aspheric, holographic, diffractive, etc.), as well as radius of curvature, distance to the next surface, material type and optionally tilt and decenter.

  4. Automated optical inspection - Wikipedia

    en.wikipedia.org/wiki/Automated_optical_inspection

    Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew). It is commonly used in the ...

  5. Optical comparator - Wikipedia

    en.wikipedia.org/wiki/Optical_comparator

    The first commercial comparator was developed by James Hartness and Russell W. Porter. [2] Hartness' long-continuing work as the Chairman of the U.S.'s National Screw-Thread Commission led him to apply his familiarity with optics (from his avocations of astronomy and telescope-building) to the problem of screw thread inspection.

  6. How much does a home inspection cost, and what does it ... - AOL

    www.aol.com/finance/much-does-home-inspection...

    Additional factors that impact inspection costs include a home’s size and age. The fee for a large home of more than 2,000 square feet averages around $400, while less than 1,000 square feet ...

  7. Visual inspection - Wikipedia

    en.wikipedia.org/wiki/Visual_inspection

    Visual inspection is a common method of quality control, data acquisition, and data analysis.Visual Inspection, used in maintenance of facilities, mean inspection of equipment and structures using either or all of raw human senses such as vision, hearing, touch and smell and/or any non-specialized inspection equipment.

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