Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiromasa Tominaga0
Kazushige Yoda0
Date of Patent
December 11, 2007
0Patent Application Number
106148990
Date Filed
July 9, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A tempered glass sheet having in its front view a peripheral region including the peripheries, and a central region (9) occupying inside the peripheral region, wherein the average surface compressive stress in the central region (9) is larger than the average surface compressive stress in the peripheral region, is presented, whereby a tempered glass sheet having a thickness thinner than conventional ones can be provided.
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