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The Inner Workings of CD/DVD Drives

The Inner Workings of CD/DVD Drives

The Inner Workings of CD/DVD Drives

By John C. Bean - WeCanFigureThisOut.org·Technology

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July 24, 2017 Let's take apart a CD/DVD drive, layer by layer
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1 min
July 24, 2017 A motor pulls the tray in and out
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1 min
July 24, 2017 Move to the side to see how the rotation motor is lifted
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1 min
July 24, 2017 A rail and gear push a cam that lifts the motor, driving its spindle through the disk
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1 min
July 24, 2017 And then there is the mechanism that moves the optical read/write head . . .
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1 min
July 24, 2017 The optical head is the heart of the CD/DVD drive.
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1 min
July 24, 2017 Here are its basic components.
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1 min
July 24, 2017 The laser passes through a splitter and lens, bouncing off the disk to the detector.
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1 min
July 24, 2017 This is the path followed by photons of beam.
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1 min
July 24, 2017 The disk's pattern of pits is translated into an optical signal.
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1 min

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