Optical coating having nano-laminate for improved durability
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United States of America Patent
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Mar 23, 2021
Grant Date -
Dec 6, 2018
app pub date -
Jun 1, 2018
filing date -
Jun 1, 2017
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Abstract
An optical coating, such as anti-reflective coating (ARC) or colored coating for optical devices, suitable especially for mobile devices. The ARC is made up of alternating layers of low refractive index and high refractive index. At least one of the layers, preferably the top layer, is made up of nano-laminate. The nano-laminate is a structure of alternating nano-layers, each nano-layer made out of a material having refractive index similar to the layer it replaces. Optionally, each of the layers are made up of nano-laminates, such that a layer having low refractive index is made up of nano-laminates of nano-layers having low refractive index, while high index layers are made up of nano-lamonate of nano-layers having high refractive index. Each of the nano-layers is of 2-10 nanometer thickness.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
INTEVAC INC | 3560 BASSETT STREET SANTA CLARA CA 95054 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bluck, Terry | Santa Clara, US | 84 | 2282 |
Choi, Jae Ha | Pleasanton, US | 4 | 1 |
Hunter, James Craig | Los Gatos, US | 5 | 64 |
Hwang, Changwan | San Jose, US | 1 | 1 |
Johnson, Paul R Markoff | Sunnyvale, US | 2 | 8 |
Saraf, Gaurav | San Jose, US | 25 | 48 |
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