Optoelectronic device chip having a composite spacer...

Details Optoelectronic device chip having a composite spacer... Optoelectronic device chip having a composite spacer...

2006-05-22

2008-10-07

Kianni, K. Cyrus (Department: 2883)

Optical waveguides

Integrated optical circuit

C385S027000

Reexamination Certificate

active

07433555

ABSTRACT:
An optoelectronic device chip, and a method for making the chip, are disclosed. The chip comprises a device substrate, an optically transparent upper substrate, and a composite spacer layer which includes an adhesive material and a plurality of particles dispersed in said adhesive material. The distance between the device substrate and the upper substrate is controlled by the thickness of the composite spacer layer so that the variation is within the depth of focus of optical system.

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