BCA recording on optical recording medium
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United States of America Patent
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Feb 5, 2013
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N/A
app pub date -
May 4, 2011
filing date -
May 4, 2010
priority date (Note) -
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Abstract
A burst cutting area of an optical recording disc includes a BCA mark comprising a plurality of pits over which a reflective layer is formed. The plurality of pits may be arrayed according to a pit pattern specifying a predetermined nominal positional relationship between adjacent pits. The pit pattern may comprise microstripes which include one pit per pit track and most adjacent pits in adjacent pit tracks. A direction between adjacent pits within each of the microstripes may correspond to a nominal microstripe direction which may form an angle with a pit track direction within a range of 45° to 135°.
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