Integrated circuit device for driving a laser diode with...

Details Integrated circuit device for driving a laser diode with... Integrated circuit device for driving a laser diode with...

2006-10-31

2006-10-31

Phan, Tho (Department: 2821)

Electric lamp and discharge devices: systems

With automatic shunt and/or cutout

Combined with signal, indicator, or alarm

C438S122000, C257S712000, C257S717000

Reexamination Certificate

active

07129640

ABSTRACT:
An integrated circuit (IC) device for driving a light emitting device, such as a laser diode, includes a heat-absorbing structure fabricated on a substrate over an electrical component, such as an output transistor, to reduce the heat transfer between the electrical component and the light emitting device. The heat-absorbing structure is designed to absorb some of the heat generated by the electrical component so that less heat from the electrical component is transferred to the light emitting device, which reduces the operating temperature of the light emitting device. A method of fabricating the IC device includes forming the electrical component on the substrate and forming the heat-absorbing structure on the substrate over the electrical component. The heat-absorbing structure may be configured to substantially encase the electrical component.

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