Extrusion of polymer waveguides onto surfaces

Details Extrusion of polymer waveguides onto surfaces Extrusion of polymer waveguides onto surfaces

1992-07-30

1994-05-31

Weston, Caleb

Optical waveguides

Integrated optical circuit

15624411, 264 11, 264 15, 264 17, 385123, 385130, 385131, 385132, 385142, 385143, 385144, 385145, B29C 4700

Patent

active

053176570

ABSTRACT:
A waveguide structure is directly extruded onto a surface from a nozzle placed a predetermined distance above the surface and which is moved relative to the surface, preferably by means of a translation table. The predetermined distance is preferably maintained constant and the speed of relative motion regulated to achieve a uniform degree of molecular orientation within the extruded material, thus maintaining a sufficiently uniform refractive index along the axis of the waveguide. Partitions within the nozzle allow the formation of a layered waveguide or the simultaneous formation of concentric cladding or protective layers. The waveguides are advantageously formed as a curtain which is later patterned, by direct writing on the surface or between chips mounted on an electronic module.

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