Photodefinition of optical devices

Details Photodefinition of optical devices Photodefinition of optical devices

G - Physics

02

B

G02B 6/12 (2006.01) G02B 6/13 (2006.01) G02B 6/138 (2006.01) G02B 6/42 (2006.01) G02B 6/34 (2006.01) G02B 6/36 (2006.01)

Patent

CA 2389347

An optical structure is fabricated by forming an active layer (204) including a photodefinable material on a substrate (212) or on another underlying layer (202), forming an upper layer (210) above the active layer, and then patterning the active layer by selective application of radiation through the upper layer. The upper layer is substantially transparent to radiation of the type required to activate the photodefinable material in the active layer.

L'invention concerne une structure optique fabriquée par formation d'une couche active (204) comportant un matériau photodéfinissable sur un substrat (212) ou sur une autre couche sous-jacente (202), d'une couche supérieure (210) au-dessus de la couche active. On façonne ensuite la couche active en appliquant sélectivement un rayonnement à travers la couche supérieure. Cette dernière est sensiblement transparente au rayonnement du type requis pour activer le matériau photodéfinissable dans la couche active.

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