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. 13, 2015
Filed:
Apr. 20, 2012
Ren-bo Wang, Shenzhen, CN;
Xin-wu Guan, Shenzhen, CN;
Po-feng Ho, New Taipei, TW;
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., Shenzhen, CN;
FIH (Hong Kong) Limited, Kowloon, HK;
Abstract
A method for strengthening a housing comprises the following steps: providing a housing being made of colored glaze and having an initial temperature of about 480° C. to about 550° C.; and spraying the surface of the housing using a spray solution containing potassium nitrate, potassium silicate, diatomite, and water to create an exterior layer on the surface. The exterior layer contains Kions, and the concentration of the Kions gradually decreases from a maximum value in the area of the outside surface of the exterior layer to zero in the area of the inside of the housing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile