Patent · US Active

Apparatus for attenuating reflections of electromagnetic waves, method for its manufacture and its use

US7834818B2 · kind B2 · utility

3Cited by

7References

20Claims

0Family size

Assignee

Forschungszentrum Karlsruhe GmbH · DE

Inventors

Klaus Seemann · Östringen, DE
Harald Leiste · Weingarten, DE
Viacheslav Bekker · Karlsruhe, DE
Stefan Zils · Ettlingen, DE

Key dates

Filing date	Mar 31, 2006
Grant date	Nov 16, 2010
Priority date	—
Expiry date	Oct 28, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/0002
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A device for attenuating reflections of an electromagnetic wave impinging thereon and a method of making the device. The device includes a structured film comprised of at least one of a ferromagnetic and ferrimagnetic material. The structured film has a structure and a uniform film portion of the at least one of a ferromagnetic and ferrimagnetic material underneath the structure such that the structured film has at least two different resonance frequencies.

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