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Anti-reflective articles with nanosilica-based coatings and barrier layer

A silicon dioxide, anti-reflection technology, applied in nanotechnology, coating, nanotechnology, etc. for materials and surface science, can solve the problems of increased investment and cost of unconventional power supplies

Inactive Publication Date: 2013-06-12
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Investments in unconventional power sources have increased due to the rising cost of conventional power generation ba

Method used

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  • Anti-reflective articles with nanosilica-based coatings and barrier layer
  • Anti-reflective articles with nanosilica-based coatings and barrier layer
  • Anti-reflective articles with nanosilica-based coatings and barrier layer

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Abstract

The invention provides an article comprising a transparent substrate having an anti-reflective, structured surface and a sintered coating comprising a porous network of silica nanoparticles thereon, wherein the silica nanoparticles are bonded to adjacent silica nanoparticles, wherein the structured substrate further comprises a backing face, and a moisture barrier layer bonded to the backing face of the structured substrate.

Description

[0001] This invention was made with Government support awarded by DOE, Contract No. DE-EE0000587. The government has certain rights in this invention. Background technique [0002] Structured surfaces have been used in a variety of applications for optical benefits, surface energy modification, adhesive tack control, and drag reduction. For example, prismatic structures on the surface of photovoltaic panels reduce reflections and direct more light to silicon cells, increasing power output. When applied to cars, boats, etc. or to wind or water turbine blades, a similar prismatic structure would facilitate fluid flow over the surface, resulting in reduced drag. [0003] Investments in unconventional power sources have increased due to the rising cost of conventional power generation based on burning fossil fuels (eg, oil and coal-based power plants) and the need to reduce the associated greenhouse gases. For example, the US Department of Energy has invested heavily in research...

Claims

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Application Information

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IPC IPC(8): C23C24/08G02B1/11H01L31/0203H01L31/0216H01L31/0236B82Y30/00B82Y40/00G02B5/02
CPCB82Y20/00B82Y30/00B82Y40/00C23C24/08F24S70/30G02B5/0294G02B2207/101G02B2207/107G02B1/113H01L31/02366H01L31/0481H01L31/0203H01L31/02168H01L31/0236Y02E10/40Y02E10/52G02B1/118G02B27/0006Y02E10/50
Inventor T·J·赫伯林克
Owner 3M INNOVATIVE PROPERTIES CO