Patent · US Expired

Test apparatus and method for nondestructive material testing

US5987993A · kind A · utility

5Cited by

8References

14Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Rainer Meier · Erlangen, DE
Dieter Lingenberg · Bad Mergentheim, DE

Key dates

Filing date	Jul 11, 1997
Grant date	Nov 23, 1999
Priority date	—
Expiry date	Jul 11, 2017

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/0422
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The test apparatus for nondestructive material testing using electrodynamically generated ultrasonic waves. A high-frequency coil assembly has an end face perpendicular to a surface of the workpiece and it is disposed between at least two magnets. Efficient generation and reception of ultrasonic waves is thereby assured.

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