GB1222182A - Method of treating glass articles - Google Patents
Method of treating glass articlesInfo
- Publication number
- GB1222182A GB1222182A GB393369A GB393369A GB1222182A GB 1222182 A GB1222182 A GB 1222182A GB 393369 A GB393369 A GB 393369A GB 393369 A GB393369 A GB 393369A GB 1222182 A GB1222182 A GB 1222182A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- compressive stress
- alkali metal
- per cent
- maximum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
1,222,182. Treating glass. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 23 Jan., 1969 [26 Jan., 1968], No. 3933/69. Heading C1M. A glass article which contains at least 5 wt. per cent of alkali metal oxide is contacted at a temperature between the strain point of the glass and a temperature 150‹ C. below the strain point with a molten salt which contains monovalent cations larger than the alkali metal ions in the glass (when the melt contains alkali metal ions the glass must contain at least 5 wt. per cent Al 2 O 3 ), such that a compressive stress profile is created, there being a compressive stress maximum of at least 20 kg./sq. mm. at a depth of at least 35 Á, this maximum being at least 10 kg./sq. mm. more than the surface compressive stress. Preferably the compressive stress maximum is not more than 100 Á from the surface, and preferably the compressive stress region extends to a depth of not more than 300 Á. In an example a glass sheet of composition (weight per cent). SiO 2 64À5; Al 2 O 3 27.4; Li 2 O 8.1 was treated at 505-655‹ C. with a melt consisting of equimolar amounts of Na 2 SO 4 and ZnSO 4 . Reference has been directed by the Comptroller to Specification 966,733.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6801184A NL6801184A (en) | 1968-01-26 | 1968-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1222182A true GB1222182A (en) | 1971-02-10 |
Family
ID=19802598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB393369A Expired GB1222182A (en) | 1968-01-26 | 1969-01-23 | Method of treating glass articles |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE727426A (en) |
| DE (1) | DE1902269A1 (en) |
| FR (1) | FR1595460A (en) |
| GB (1) | GB1222182A (en) |
| NL (1) | NL6801184A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2964655A1 (en) * | 2010-09-13 | 2012-03-16 | Saint Gobain | GLASS SHEET |
| US8539794B2 (en) | 2011-02-01 | 2013-09-24 | Corning Incorporated | Strengthened glass substrate sheets and methods for fabricating glass panels from glass substrate sheets |
| US8616024B2 (en) | 2010-11-30 | 2013-12-31 | Corning Incorporated | Methods for forming grooves and separating strengthened glass substrate sheets |
| US8720228B2 (en) | 2010-08-31 | 2014-05-13 | Corning Incorporated | Methods of separating strengthened glass substrates |
| US8776547B2 (en) | 2011-02-28 | 2014-07-15 | Corning Incorporated | Local strengthening of glass by ion exchange |
| US8932510B2 (en) | 2009-08-28 | 2015-01-13 | Corning Incorporated | Methods for laser cutting glass substrates |
| US8946590B2 (en) | 2009-11-30 | 2015-02-03 | Corning Incorporated | Methods for laser scribing and separating glass substrates |
| US9610653B2 (en) | 2012-09-21 | 2017-04-04 | Electro Scientific Industries, Inc. | Method and apparatus for separation of workpieces and articles produced thereby |
| US9938180B2 (en) | 2012-06-05 | 2018-04-10 | Corning Incorporated | Methods of cutting glass using a laser |
-
1968
- 1968-01-26 NL NL6801184A patent/NL6801184A/xx unknown
- 1968-12-24 FR FR1595460D patent/FR1595460A/fr not_active Expired
-
1969
- 1969-01-17 DE DE19691902269 patent/DE1902269A1/en active Pending
- 1969-01-23 GB GB393369A patent/GB1222182A/en not_active Expired
- 1969-01-24 BE BE727426D patent/BE727426A/xx unknown
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9533910B2 (en) | 2009-08-28 | 2017-01-03 | Corning Incorporated | Methods for laser cutting glass substrates |
| US8932510B2 (en) | 2009-08-28 | 2015-01-13 | Corning Incorporated | Methods for laser cutting glass substrates |
| US10358374B2 (en) | 2009-11-30 | 2019-07-23 | Corning Incorporated | Methods for laser scribing and separating glass substrates |
| US8946590B2 (en) | 2009-11-30 | 2015-02-03 | Corning Incorporated | Methods for laser scribing and separating glass substrates |
| US8720228B2 (en) | 2010-08-31 | 2014-05-13 | Corning Incorporated | Methods of separating strengthened glass substrates |
| US9604876B2 (en) | 2010-09-13 | 2017-03-28 | Saint-Gobain Glass France | Glass sheet |
| CN103097319B (en) * | 2010-09-13 | 2016-10-12 | 法国圣-戈班玻璃公司 | Sheet glass |
| EA025378B1 (en) * | 2010-09-13 | 2016-12-30 | Сэн-Гобэн Гласс Франс | Glass sheet with increased resistance to scratches and shocks |
| CN103097319A (en) * | 2010-09-13 | 2013-05-08 | 法国圣-戈班玻璃公司 | Glass sheet |
| FR2964655A1 (en) * | 2010-09-13 | 2012-03-16 | Saint Gobain | GLASS SHEET |
| WO2012035242A1 (en) * | 2010-09-13 | 2012-03-22 | Saint-Gobain Glass France | Glass sheet |
| US8616024B2 (en) | 2010-11-30 | 2013-12-31 | Corning Incorporated | Methods for forming grooves and separating strengthened glass substrate sheets |
| US8539794B2 (en) | 2011-02-01 | 2013-09-24 | Corning Incorporated | Strengthened glass substrate sheets and methods for fabricating glass panels from glass substrate sheets |
| US8776547B2 (en) | 2011-02-28 | 2014-07-15 | Corning Incorporated | Local strengthening of glass by ion exchange |
| US9938180B2 (en) | 2012-06-05 | 2018-04-10 | Corning Incorporated | Methods of cutting glass using a laser |
| US9610653B2 (en) | 2012-09-21 | 2017-04-04 | Electro Scientific Industries, Inc. | Method and apparatus for separation of workpieces and articles produced thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1902269A1 (en) | 1969-09-04 |
| FR1595460A (en) | 1970-06-08 |
| BE727426A (en) | 1969-07-24 |
| NL6801184A (en) | 1969-07-29 |
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