Barrier film and laminated material, container for wrapping and image display medium using the same, and manufacturing method for barrier film
US8475929B2 · kind B2 · utility
1Cited by
2References
6Claims
0Family size
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Key dates
| Filing date | Dec 7, 2009 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Dec 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminated material having a barrier film containing a barrier layer on at least one surface of a substrate film that is a silicon oxide film having an atomic ratio in a range of Si:O:C=100:140 to 167:20 to 40, peak position of infrared-ray absorption due to Si—O—Si stretching vibration between 1060 to 1090 cm−1, a film density in a range of 2.6 to 2.8 g/cm3, and a distance between grains of 30 nm or shorter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.