DEVICES AND METHODS FOR PROTECTING LASER DIODES FROM ELECTROSTATIC DISCHARGE
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Jan 18, 2011
filing date -
Jan 18, 2011
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Abandoned
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Abstract
In accordance with certain embodiments, an apparatus has a depletion-mode transistor electrically connected to a laser diode. The transistor provides a low impedance path for diverting electrostatic current away from the laser diode. In accordance with certain embodiments, a method for protecting a laser diode from an electrostatic charge includes providing a transistor that is electrically connected to a laser diode and has a drain and a source. The method further includes redirecting the electrostatic charge through a low impedance path from the drain to the source during a powered-on state.
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