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Optoelectronic System Packaging

Optoelectronic System Packaging

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Laser and Amplifier <strong>Packaging</strong><br />

Bonding wire<br />

Heat sink<br />

Edge emitter laser<br />

Surface emitter laser (SEL)<br />

Surface emitter later (SEL)<br />

with flip-chip packaging<br />

Thermal vias<br />

Poor thermal conductivity<br />

Thermal conductive substrate<br />

Underfill material, good thermal conduction<br />

KTH/LECS/LRZ<br />

Heatsink and Device Metallization<br />

Laser Diode<br />

Adhesion layer<br />

Diffusion barrier layer<br />

Wettable layer<br />

Solder layers<br />

Bonding<br />

Heatsink<br />

Solder layers<br />

Wettable layer<br />

(Transition layer)<br />

Diffusion barrier layer<br />

Adhesion layer<br />

KTH/LECS/LRZ

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