Diamond like carbon coating of substrate housings
US8603632B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2013 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Mar 20, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31507
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention include articles comprising a diamond like carbon coating or doped diamond like carbon coating on one or more surfaces of a plastic substrate or a plastic enclosure. Embodiments of the DLC or doped DLC coatings reduce the gas permeation of the coated plastic or thermoplastic to hydrogen or helium compared to the permeability of the plastic alone. The DLC or doped DLC coatings coating provides a surface resistivity of from about 107 to about 1014 ohm/square and have a transmittance that range from about 0% to about 70% less than the transmittance of the underlying plastic substrate in the range of about 300 nm to about 1100 nm. The DLC coated plastic can be used in environmental enclosures for protecting environmentally sensitive substrates such as semiconductor wafers and reticles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.