Infrared spectra recording, high pressure sample holder
US4970396A · kind A · utility
4Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Dec 26, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/8422
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An infrared absorption spectra recording, high pressure sample holder comprises a gasket for high compression between two diamond anvils, and an infrared light beam transmitting material partially filling a light passage through the gasket at a position between the two anvils to leave an infrared light beam transmitting, sample cavity adjacent one anvil. The surface of the filling is shaped, e.g. dished so that an infrared light beam passing through the sample will have light paths of different lengths, thereby avoiding optical interference fringes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.