| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Glass substrate formed by the float process which has spec tral transmittance of > 87% in range 400 - 700 nm at thickness in range 1.5 - 3.5 mm comprising - Silica (50 - 72 %) - Alumina (< 15 %) - Alkali metal oxide (6 - 24 %) |
| PATENT PHOTOCOPY | Available on request |
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