Title:
乳白ガラスの成形方法
Document Type and Number:
Japanese Patent JP2012519131
Kind Code:
A
Abstract:
A method of fowling an opal layer on an optically transparent alkali-silicate glass sheet, wherein a liquidus viscosity of the alkali silicate glass forming the sheet is at least about 200,000 poise, a liquidus temperature of the alkali silicate glass is equal to or less than about 1200° C. and wherein the exposed surface of the glass sheet after the exposing comprises an opal layer. The method includes exposing a surface of the optically transparent alkali silicate glass sheet to an alkali metal salt bath at a temperature equal to or greater than 300° C. for at least 5 minutes.
Inventors:
Gomez, Shine
Lumberson, Lisa A
Morena, Robert M
Lumberson, Lisa A
Morena, Robert M
Application Number:
JP2011552137A
Publication Date:
August 23, 2012
Filing Date:
February 25, 2010
Export Citation:
Assignee:
CORNING INCORPORATED
International Classes:
C03C4/02; C03C3/091; C03C21/00
Domestic Patent References:
| JPS57179049A | 1982-11-04 | |||
| JPS63265841A | 1988-11-02 | |||
| JPH06219788A | 1994-08-09 | |||
| JP2008195602A | 2008-08-28 | |||
| JPH0640740A | 1994-02-15 | |||
| JP2003146692A | 2003-05-21 | |||
| JP2004067479A | 2004-03-04 | |||
| JP2004075495A | 2004-03-11 | |||
| JP2005126311A | 2005-05-19 | |||
| JP2008001590A | 2008-01-10 | |||
| JP2008115071A | 2008-05-22 | |||
| JP2008115072A | 2008-05-22 |
Foreign References:
| US2779136A | 1957-01-29 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma