Semiconductor optical device
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United States of America Patent
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May 14, 2013
Grant Date -
May 19, 2011
app pub date -
Nov 18, 2010
filing date -
Nov 19, 2009
priority date (Note) -
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Abstract
By forming upper-bank patterns made of Au with a thickness of 1.5 μm or larger on bank portions, a solder material on a submount and a surface of a conductive layer in an upper part of a ridge portion of a laser chip are separated so as not to be in contact with each other, thereby preventing the stress generated in a bonding portion when bonding the laser chip and the submount from being applied to the ridge portion.
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