Back to results
US 2013/0157026 A1Published application
Porous glass and optical member
AssigneeCanon Kabushiki Kaisha
InventorsYoshinori Kotani, Zuyi Zhang, Kenji Takashima, Akira Sugiyama
Life of this patent
Estimating the term…
Abstract
The present invention provides a porous glass having excellent antireflection performance for visible light. A porous glass includes a porous layer which is mainly composed of silica and which has pores attributed to spinodal phase separation and pores attributed to binodal phase separation.
Claims7
A porous glass comprising:
- a porous layer including silica,
- wherein the porous layer includes pores attributed to spinodal phase separation and pores attributed to binodal phase separation.
Dependencies are inferred from the claim text.