Depth of Field - lens length and depth of field
About Euresys Documentation | Disclaimer | Euresys Website This documentation is provided with MultiCam 6.7 (doc build 474). Copyright © EURESYS s.a. 1989-2012.
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As an example, a typical CCD sensor could have 2048 pixels, each sized 14x14 µm. In this case, the overall length of the CCD sensitive area is 28.67 mm.
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Usually, the CCD pixel has the same crossweb and downweb dimension, i.e. the sensitive area for an individual pixel is square.
A line CCD sensor is a set of light sensitive elements aligned on a small piece of silicon. Each element correspond to a pixel. Some dedicated electronic circuitry is associated to extract the data measured by the individual elements and send it outside the device during the readout process.
MultiCam Boards Documentation > MultiCam Documentation > MultiCam User Guide > General Topics > Line-Scan Inspection Topics > The CCD Sensor
The heart of the line-scan camera is an opto-electronic semiconductor device called a CCD (Charge Coupled Device). More precisely, a line CCD is involved, as opposed to the area CCD used in the area scan cameras.