OPTICAL RECORDING MEDIUM WITH BRAILLE CHARACTERS AND METHOD OF MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Jun 5, 2008
filing date -
Nov 30, 2007
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Abandoned
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Abstract
The invention discloses an optical recording medium comprising a first substrate, a second substrate, a median layer and an adhesive layer. A plurality of Braille characters is formed on the second substrate by injection molding. The median layer is formed on the first substrate. The second substrate is adhered to the median layer by the adhesive layer. Accordingly, a visually-impaired person can easily identify the contents in the optical recording medium by touching the Braille characters on the second substrate.
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