The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2012
Filed:
May. 31, 2010
Christoph Walther, Bern, CH;
Jerome Faist, Zurich, CH;
Giacomo Scalari, Zurich, CH;
Maria Amanti, Paris, FR;
Mattias Beck, Wettingen, CH;
Markus Geiser, Zurich, CH;
Christoph Walther, Bern, CH;
Jerome Faist, Zurich, CH;
Giacomo Scalari, Zurich, CH;
Maria Amanti, Paris, FR;
Mattias Beck, Wettingen, CH;
Markus Geiser, Zurich, CH;
ETH Zurich, Zurich, CH;
Abstract
A microwave circuit includes at least one inductive portion and at least one capacitive portion and having a resonance frequency, the microwave circuit including a material which acts as a dielectric for the capacitive portion, characterized in that the material acting as a dielectric includes an active region that is an electrically pumped semiconductor heterostructure having at least two energy levels whose energy separation is close to the resonance frequency of the microwave circuit.