Functional roll film and vacuum evaporation apparatus capable of producing the functional roll film
US7666490B1 · kind B1 · utility
6Cited by
11References
8Claims
0Family size
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Key dates
| Filing date | Feb 8, 2000 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Feb 8, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2495
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A functional roll film comprises a plastic film which is transparent and having gas barrier properties, and provided at its at least one surface with an inorganic oxide layer, and which can be wound; wherein a maximum thickness of the inorganic oxide layer is 1.5 times of a minimum thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.