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:
Oct. 20, 2020
Filed:
Dec. 31, 2019
Newport Fab, Llc Dba Jazz Semiconductor, Newport Beach, CA (US);
David J. Howard, Irvine, CA (US);
Jefferson E. Rose, Hawthorne, CA (US);
Gregory P. Slovin, Irvine, CA (US);
Nabil El-Hinnawy, Irvine, CA (US);
Michael J. DeBar, Tustin, CA (US);
Newport Fab, LLC dba Jazz Semiconductor, Newport Beach, CA (US);
Abstract
A radio frequency (RF) switch includes a phase-change material (PCM) and a heating element underlying an active segment of the PCM, the PCM and heating element being situated over a substrate. A contact dielectric is over the PCM. PCM contacts have upper portions and uniform plate slot lower portions. The uniform plate slot lower portions have a total plate resistance R, and a total plate slot interface resistance R. The upper portions have a total capacitance Cto the uniform plate slot lower portions, and the PCM has a total capacitance Cto the substrate. The uniform plate slot lower portions significantly reduce a product of (R+R) and (C+C). As an alternative to the uniform plate slot lower portions, PCM contacts have segmented lower portions. The segmented lower portions significantly reduce C.