Flakes made of materials such as glass
US8796556B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 24, 2008 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | May 8, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides flake having a thickness up to 350 nm, the flake being made of basalt, ceramics, alumina, graphite, a metal, a metal oxide or a combination of any two or more thereof. Equipment for manufacturing such flake is also described as is a method for the manufacture of the flake. The equipment comprises a cup mounted for rotation and for receiving molten glass. The equipment further comprises either insulating means extending at least partially around said cup or means for heating the cup while it is rotating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.