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:
Mar. 15, 2016
Filed:
Dec. 20, 2012
Saint-gobain Centre DE Recherches ET D'etudes Europeen, Courbevoie, FR;
Nabil Nahas, Serris, FR;
Daniel Urffer, Saint Saturain des Avignon, FR;
SAINT-GOBAIN CENTRE DE ECHERCHES ET D'ETUDES EUROPEEN, Courbevoie, FR;
Abstract
The invention relates to a communication device using radio waves with frequencies of 800 MHz to 3 GHz, comprising a ceramic cover at least partially exposed to the external environment of the device, at least one portion of said waves passing therethrough during the use of the device, said cover being at least partially made of a sintered product having a chemical composition such as, by weight and for a total of 100%, 32%≦ZrO≦95%, 1%<Y2O3+CeO2+ScO+MgO+CaO, 0%≦CeO≦26%, 0%≦MgO≦43%, 0%≦CaO≦37%, 0%≦SiO≦41%, 0%≦AlO≦55%, 0%≦TiO≦30%, 0%≦lanthanide oxide, except for CeO≦50% 0% SrO≦24%, o %≦iAlON compounds ≦50%, and other compounds ≦15%.