Oscillators – Solid state active element oscillator – Significant distributed parameter resonator
Reexamination Certificate
2007-07-17
2010-11-23
Mis, David (Department: 2817)
Oscillators
Solid state active element oscillator
Significant distributed parameter resonator
C331S1070DP
Reexamination Certificate
active
07839226
ABSTRACT:
A circuit includes a resonant tunneling device having first and second terminals, and biased to exhibit a negative resistance between the terminals, the terminals being coupled at spaced locations to a further section made of a material which has a plasma resonance tuned to a selected frequency. A different circuit includes a resonant tunneling structure with plural layers, including an outer layer coupled to a further layer made of a material which has a plasma resonance tuned to a selected frequency. Two circuit sections are respectively coupled to the resonant tunneling structure at spaced locations thereon. A bias is applied across the tunneling structure and further layer, and causes the tunneling structure to exhibit a negative resistance.
REFERENCES:
patent: 3167663 (1965-01-01), Melngailis et al.
patent: 5825240 (1998-10-01), Geis et al.
patent: 6194303 (2001-02-01), Alphenaar et al.
patent: WO 02/056385 (2000-12-01), None
patent: WO 2005/067138 (2003-12-01), None
PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority or the Declaration; international filed Jul. 18, 2007; international application No. PCT/US2007/073742, 15 pages, Date of mailing: Jul. 3, 2008.
Daniel, Erik S. et al., “Simulations of Electric Field Domain Suppression in a Superlattice Oscillator Device Using a Distributed Circuit Model,” XP-002326853; IEEE Transactions on Electron Devices, vol. 50, No. 12; pp. 2434-2444, Dec. 2003.
Ryzhii, V. et al., “Resonant detection and frequency multiplication of terahertz radiation utilizing plasma waves in resonant-tunneling transistors,” Journal of Applied Physics, vol. 88, No. 5; pp. 2868-2871, Sep. 1, 2000.
Baker & Botts L.L.P.
Mis David
Raytheon Company
LandOfFree
Method and apparatus for effecting stable operation of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for effecting stable operation of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for effecting stable operation of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4156574