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Cover glass for mobile terminals, manufacturing method of the same and mobile terminal device

  • US 9,249,049 B2
  • Filed: 03/24/2014
  • Issued: 02/02/2016
  • Est. Priority Date: 12/18/2007
  • Status: Active Grant
First Claim
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1. A method of manufacturing cover glass for a mobile terminal for protecting a display screen of the mobile terminal,wherein resist patterns are formed on both main surfaces of a plate-shaped glass substrate, and then, using the resist patterns as a mask, the glass substrate is etched with an etchant of a mixed acid aqueous solution containing hydrofluoric acid and at least one kind of acid among sulfuric acid, nitric acid, hydrochloric acid, and hydrofluorosilicic acid, and is thereby cut into a desired shape including an outer circumferential shape of the cover glass.

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