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.:

US 8663781 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2014

Filed:

Mar. 27, 2012
Applicants:

Ren-bo Wang, Shenzhen, CN;

Xin-wu Guan, Shenzhen, CN;

Po-feng Ho, New Taipei, TW;

Wu-zheng Ou, New Taipei, CN;

Inventors:

Ren-Bo Wang, Shenzhen, CN;

Xin-Wu Guan, Shenzhen, CN;

Po-Feng Ho, New Taipei, TW;

Wu-Zheng Ou, New Taipei, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/505 (2006.01);
U.S. Cl.
CPC ...
C04B 35/505 (2013.01);
Abstract

A display window is formed by mechanically processing a transparent ceramic article. The composition of the ceramic article includes yttrium oxide and thorium oxide, the mole percentage of yttrium oxide is about 85% to about 94.99%, and the mole percentage of thorium oxide is about 4.99% to about 15%. The display window has a high light transmittance, good acid and alkali corrosion resistance, high hardness, long lifetime.


Find Patent Forward Citations

Wang, Ren-Bo. (2014). Ceramic article and method for making same, and electronic device using same (U.S. Patent No. 8663781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8663781

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