Method of changing the surface of a glass substrate containing silver, by using a laser beam
US6220058A · kind A · utility
14Cited by
6References
8Claims
0Family size
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Key dates
| Filing date | Sep 22, 1998 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Sep 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A laser processing method for removing glass by melting, evaporation or ablation from sheet-like glass substrate for forming microscopic concavities and convexities. Diffraction grating and planar microlens array obtained thereby.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.