Title:
SILICOBORATE AND BOROSILICATE GLASSES HAVING HIGH REFRACTIVE INDEX AND LOW DENSITY
Document Type and Number:
WIPO Patent Application WO/2022/055688
Kind Code:
A3
Abstract:
Glasses containing silicon dioxide (SiO2) and/or boron oxide (B2O3) as glass formers and having a refractive index nd of greater than or equal to 1.7, as measured at 587.56 nm, and a density of less than or equal to 4.5 g/cm3, as measured at 25 oC, are provided. Optionally, the glasses may be characterized by a low optical dispersion, a high transmittance in the visible and near-ultraviolet (near-UV) range of the electromagnetic spectrum, and /or good glass forming ability.
Inventors:
GASPAR MARQUES PAULO JORGE (FR)
LEPICARD ANTOINE MARIE JOSEPH (FR)
LUO JIAN (US)
MA LINA (US)
PRIVEN ALEXANDER I (KR)
LEPICARD ANTOINE MARIE JOSEPH (FR)
LUO JIAN (US)
MA LINA (US)
PRIVEN ALEXANDER I (KR)
Application Number:
PCT/US2021/046897
Publication Date:
May 12, 2022
Filing Date:
August 20, 2021
Export Citation:
Assignee:
CORNING INC (US)
International Classes:
C03C3/068; C03C4/00
Domestic Patent References:
| WO1998032706A1 | 1998-07-30 | |||
| WO2020045417A1 | 2020-03-05 |
Foreign References:
| EP0570687A1 | 1993-11-24 | |||
| US20060189473A1 | 2006-08-24 | |||
| EP0992461A1 | 2000-04-12 | |||
| US20090288450A1 | 2009-11-26 | |||
| US20060105900A1 | 2006-05-18 |
Attorney, Agent or Firm:
BRAY, Kevin L. (US)
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