Title:
青色相のソーダライムガラス
Document Type and Number:
Japanese Patent JP4546646
Kind Code:
B2
Abstract:
The invention concerns a coloured soda-lime glass with a blue shade, containing more than 2 wt. % of MgO, more than 1.1 wt. % of Fe2 O3. Less than 0.53 wt. % of FeO and less than 0.13 wt. % of MnO2 present under illuminant A and for a glass thickness of 4 mm, a transmission factor (TLA4) higher than 15 %, a selectivity (SE4) higher than 1.2 and a dominant wavelength ( lambda D) and a purity of excitation (P) such that they are located in the CIE chromaticity co-ordinate diagram inside a triangle whereof the apices are defined by the point representing the illuminant source C and the points whereof the co-ordinates ( lambda D, P) are (490.19) and (476.49) respectively. Said glass is particularly suitable for motor vehicle side DIGITAL PHOTOGRAPHY windows, rear windows and sun roof.
Inventors:
Fogenne, marc
Costel, Dominique
Costel, Dominique
Application Number:
JP2000589452A
Publication Date:
September 15, 2010
Filing Date:
December 13, 1999
Export Citation:
Assignee:
AGC Flat Glass Europ SSA
International Classes:
B60J1/00; C03C3/087; C03C4/02; C03C3/095; C03C4/08
Domestic Patent References:
| JP6503300A | ||||
| JP2002514565A | ||||
| JP9124341A | ||||
| JP10045424A | ||||
| JP8333138A | ||||
| JP9110464A | ||||
| JP10500390A | ||||
| JP3040938A |
Attorney, Agent or Firm:
Nobuaki Kazehaya