Methods and systems for monitoring a solid-liquid interface
US8030633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2008 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Feb 4, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC30B29/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods and systems are provided for monitoring a solid-liquid interface, including providing a vessel configured to contain an at least partially melted material; detecting radiation reflected from a surface of a liquid portion of the at least partially melted material; providing sound energy to the surface; measuring a disturbance on the surface; calculating at least one frequency associated with the disturbance; and determining a thickness of the liquid portion based on the at least one frequency, wherein the thickness is calculated based on L=(2m−1)vs/4f, where f is the frequency where the disturbance has an amplitude maximum, vs is the speed of sound in the material, and m is a positive integer (1, 2, 3, . . . ).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.