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Title:
ガラス板及びその製造方法
Document Type and Number:
Japanese Patent JP7230899
Kind Code:
B2
Abstract:
The present invention relates to a glass plate including: a first main surface; and a second main surface that is opposite to the first main surface, wherein the second main surface is a side on which an electronic member is formed, a surface Si-OH group density in the first main surface derived by using a specific calculation scheme is less than or equal to 8.7×10^14 (pieces/cm^2) and greater than or equal to 0 (pieces/cm^2), a glass composition expressed by an oxide-based wt% includes: 35 to 73% of SiO_2; 5 to 35% of Al_2O_3; 0 to 30% of B_2O_3; 0 to 20% of MgO; 0 to 30% of CaO; 0 to 30% of SrO; 0 to 40% of BaO; and 1 to 55% of a total of MgO, CaO, SrO, and BaO, and no alkali metal oxide is substantially contained.

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Inventors:
左▲高▼ 雅和
Daisuke Kobayashi
Application Number:
JP2020208670A
Publication Date:
March 01, 2023
Filing Date:
December 16, 2020
Export Citation:
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Assignee:
AGC Inc.
International Classes:
C03C19/00; C03C3/085; C03C3/087; C03C3/091; G09F9/30
Domestic Patent References:
JP2014201446A
JP2018135226A
JP2019108241A
Foreign References:
WO2017065138A1
WO2017073580A1
CN102446673A
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office



 
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