Method and apparatus for producing optical recording media with accurately parallel surfaces
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United States of America Patent
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Apr 19, 2005
Grant Date -
Dec 26, 2002
app pub date -
May 14, 2002
filing date -
May 14, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method that produces recording media using at least two platens. A first platen is movable relative to a second platen, and each platen has respective first and second support surfaces onto which substrates are placed, the first and second substrates each having inner and outer longitudinal surfaces. A centering device aligns the respective substrates relative to a one or more reference positions, a positioning system provides a degree of parallelism between the outer longitudinal surfaces of each of the substrates and produces a desired gap between the inner longitudinal surfaces of the substrates, and a dispensing unit which emits a liquid medium within the gap between inner longitudinal surfaces of the substrates.
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