Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ULTRATHIN GLASS WITH SPECIAL CHAMFER SHAPE AND HIGH STRENGTH
Document Type and Number:
WIPO Patent Application WO/2019/218155
Kind Code:
A1
Abstract:
It relates to a chemically toughened glass article (1) having a thickness (t) of equal to or less than 0.4 mm, a first surface (2), a second surface (3) and a compressive stress region being defined by a compressive stress (CS) of at least 100 MPa, and at least one edge (4) connecting the first surface (2) and the second surface (3), wherein the at least one edge (4) has at least one chamfer (5) with a chamfer width (A) and a chamfer height (B). In order to improve the bending strength of the glass article (1), it is suggested that the chamfer (5) has a ratio of chamfer width / chamfer height (A/B) of between 1.5 -20 and the chamfer (5) has a ratio of chamfer width / glass thickness (A/t) of at least 0.5.

Inventors:
DA NING (CN)
HE FENG (CN)
Application Number:
PCT/CN2018/086879
Publication Date:
November 21, 2019
Filing Date:
May 15, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SCHOTT GLASS TECHNOLOGIES SUZHOU CO LTD (CN)
International Classes:
C03C21/00; C03C15/00
Foreign References:
JP2015093822A2015-05-18
JP2015093822A2015-05-18
US3981709A1976-09-21
US3981709A1976-09-21
CN105102393A2015-11-25
CN107635935A2018-01-26
US20100279067A12010-11-04
Attorney, Agent or Firm:
SONDERHOFF & EINSEL (BEIJING) PATENT AGENCY OFFICE (CN)
Download PDF:



 
Previous Patent: LINEAR DRIVER

Next Patent: RANGING BETWEEN DEVICES