Self-aligned carrier assembly for optical device supporting...

Details Self-aligned carrier assembly for optical device supporting... Self-aligned carrier assembly for optical device supporting...

2011-07-12

2011-07-12

Petkovsek, Daniel (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S049000, C385S052000, C385S088000

Reexamination Certificate

active

07978940

ABSTRACT:
Broadly speaking, disclosed is a carrier assembly for an optical device, the carrier assembly comprising in combination: a glass substrate with an optical die thereon; and a silicon carrier attached to the glass carrier. During manufacture, a number of optical dies can be attached on the glass substrate using self-alignment of AuSn solder bumps using gaseous flux at about 300 deg C. The glass carrier can be mounted to the silicon carrier to form an optical device carrier assembly comprising micromechanical guide holes to facilitate a optical fiber connection, using self-alignment of SnAg solder bumps using gaseous flux at about 250 deg C. Each individual optical device can be tested at a wafer scale. The resulting optical device assembly can be diced to form individual optical devices having a carrier assembly that exhibits the traits of both a silicon carrier and a glass carrier.

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