Radio frequency monolithic integrated circuit and method for...

Details Radio frequency monolithic integrated circuit and method for... Radio frequency monolithic integrated circuit and method for...

2006-01-17

2006-01-17

Vuong, Quochien B. (Department: 2685)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S333000, C361S748000, C361S764000

Reexamination Certificate

active

06987983

ABSTRACT:
The purpose of this invention is to realize a radio frequency monolithic integrated circuit high in performance, small in size and low in cost, where transistors and passive elements are arranged on a chip in which a conductive silicon substrate functions as a ground. Since the electromagnetic fields of passive elements induce a current in a conductive silicon substrate, a loss due to generation of Joule heat or the like occurs to lead to deterioration of the performance of the passive elements. To solve this problem, an SOI layer comprising a semiconductor layer having a large thickness and a high resistivity and a conductive silicon substrate is used, and passive elements and an active element are formed on the same substrate. Alternatively, a cavity is provided in the conductive substrate directly beneath the SOI layer in the region where the passive elements are formed, thereby attaining the object.

REFERENCES:
patent: 3878553 (1975-04-01), Sirles et al.
patent: 5705855 (1998-01-01), Carson et al.
patent: 5752182 (1998-05-01), Nakatsuka et al.
patent: 5893027 (1999-04-01), Brueske
patent: 6278871 (2001-08-01), Jovenin et al.
patent: 6404648 (2002-06-01), Slupe et al.
patent: 7-283414 (1995-10-01), None

Affiliated with

Also associated with

Rating

Radio frequency monolithic integrated circuit and method for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radio frequency monolithic integrated circuit and method for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radio frequency monolithic integrated circuit and method for... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3545927