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US 2016/0109777 A1Published application
Pretreatment of transparent conductive oxide (tco) thin films for improved electrical contact
AssigneeView, Inc.
InventorsTodd Martin, Abhishek Anant Dixit, Fabian Strong, Anshu A. Pradhan
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Abstract
Certain embodiments relate to optical devices and methods of fabricating optical devices that pre-treat a sub-layer to enable selective removal of the pre-treated sub-layer and overlying layers. Other embodiments pertain to methods of fabricating an optical device that apply a sacrificial material layer.
Claims42
A method of fabricating an optical device, the method comprising, in the following order:
- (a) exposing a sub-layer of the optical device to an energy source;
- (b) depositing one or more material layers of the optical device on the sub-layer;
- and
- (c) ablating the one or more material layers and the sub-layer with a laser to expose an underlying layer.
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A method of fabricating an optical device, the method comprising:
- i) applying a sacrificial material layer to a portion of the area of one or more sub-layers of the optical device;
- ii) depositing one or more material layers of the optical device on the sacrificial material layer and the one or more sub-layers;
- and
- iii) applying a laser to the portion to ablate the optical device at least down to the sacrificial material layer.
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An optically switchable device comprising:
- a substantially transparent substrate;
- a lower conductor layer disposed over the substantially transparent substrate;
- and
- a bus bar on the lower conductor layer of a portion of the area of a substrate wherein the remainder of the area has an electrochromic device stack with a sacrificial material layer and/or a sub-layer on top of the lower conductor layer.
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Dependencies are inferred from the claim text.