Patent · US Expired

Cavity resonator

US4633180A · kind A · utility

16Cited by

7References

11Claims

0Family size

Assignee

Bruker Analytische Messtechnik GmbH · DE

Inventors

Reinhard Biehl · Karlsruhe, DE
Dieter Schmalbein · Bad Herrenalb, DE
Gunther Laukien · Rheinstetten, DE

Key dates

Filing date	Jan 4, 1984
Grant date	Dec 30, 1986
Priority date	—
Expiry date	Jan 4, 2004

Classification

Technology area (CPC H)Electricity
CPC primaryH01P7/06
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A cavity resonator serves to generate magnetic dipole transitions in a sample, for instance for carrying out electron spin resonance measurements. The natural frequency of the cavity resonator (10) is influenced by a reduction in length of the E flux lines. To this end, conductive areas (20) are arranged at the points where the E flux lines are encountered. This results in an increase of the space factor, related to an unchanged specimen volume, and thus in an improvement of the measuring sensitivity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.