Specimen holder for water-containing preparations and method for using it; and high-pressure freezing device for the specimen holder
US6516620B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Mar 30, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N1/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A specimen holder for freezing water-containing preparations under high pressure is disclosed. The specimen holder possesses a housing sheath in which a cutout is provided. A specimen retention element is arranged in the cutout of the specimen holder, and can be sprayed with a coolant, from both sides, through the cutout. The specimen retention element is made up of at least a first part and a second part, a recess for holding the specimen is shaped in the second part. The second part is pressed with a screw against the first part in such a way that the recess is sealed in pressure-tight fashion. Also disclosed are a method and system for freezing water-bearing specimens under high pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.