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Patent Searching and Data


Title:
カバーガラス
Document Type and Number:
Japanese Patent JP7303482
Kind Code:
B2
Abstract:
To create a cover glass with high scratch resistance.SOLUTION: A cover glass has a fracture toughness Kof 0.9 or more and, preferably, has on its surface a compressive stress layer by ion exchange.SELECTED DRAWING: Figure 1

Inventors:
Ken Yuki
Tomonori Ichimaru
Yohei Hosoda
Application Number:
JP2018239170A
Publication Date:
July 05, 2023
Filing Date:
December 21, 2018
Export Citation:
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Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
C03C3/085; C03C3/062; C03C3/064; C03C3/068; C03C3/083; C03C3/091; C03C3/095; C03C3/097; C03C21/00; G06F3/041; G09F9/00
Domestic Patent References:
JP2000103638A
JP2013513537A
JP2004277232A
JP2012020921A
JP2015054794A
JP2013006755A
JP2010059038A
JP2011251854A
JP2000159540A
JP2005272212A
JP2011040144A
Foreign References:
WO2017126607A1
WO2007142324A1
WO2020121889A1
Other References:
鄒 学禄,解説 磁気ディスクガラス基板の現状と展望,精密工学会誌,日本,精密工学学会,2004年,Vol.70, No.4,474-477
ニューガラスフォーラム,おもしろサイエンス ガラスの科学 ,おもしろサイエンス ガラスの科学,日本,日刊工業新聞社,2013年06月25日,70-74