×

Anti-reflective material

  • US 6,511,721 B1
  • Filed: 07/28/2000
  • Issued: 01/28/2003
  • Est. Priority Date: 08/04/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An anti-reflective material comprising a transparent substrate and at least a low-refractive index layer and a stainproofing layer laminated in order on said transparent substrate, wherein said low-refractive index layer is a silica film formed by the sol-gel method, and said stainproofing layer has a dry coat thickness of more than 0.1 nm and contains at least one perfluoroalkyl ether compound having a molecular weight of more than 500.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×