JPS5595645A - Tempering treatment method for inorganic glass - Google Patents
Tempering treatment method for inorganic glassInfo
- Publication number
- JPS5595645A JPS5595645A JP457479A JP457479A JPS5595645A JP S5595645 A JPS5595645 A JP S5595645A JP 457479 A JP457479 A JP 457479A JP 457479 A JP457479 A JP 457479A JP S5595645 A JPS5595645 A JP S5595645A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- tempering treatment
- salt
- inorg
- ultrasonic waves
- 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.)
- Pending
Links
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
PURPOSE: To obtain tempered glass for a watch having high mechanical strength by contacting inorg. glass such as borosilicate glass to a K salt at a high temp. and applying ultrasonic waves to the glass to increase the ion exchange rate of chemical tempering treatment.
CONSTITUTION: Inorg. glass such as borosilicate glass is formed into a watch cover glass shape and finished to a mirror surface. This cover glass is preheated, e.g. to 410°C and held in a molten bath of a K salt such as KNO3 of the same temp. After applying ultrasonic waves the glass is allowed to cool, washed with water to remove the K salt, and dried. By this method the rate of chemical tempering treatment is increased, and a tempering effect higher than that of a conventional method is obtd. in a short time.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP457479A JPS5595645A (en) | 1979-01-17 | 1979-01-17 | Tempering treatment method for inorganic glass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP457479A JPS5595645A (en) | 1979-01-17 | 1979-01-17 | Tempering treatment method for inorganic glass |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5595645A true JPS5595645A (en) | 1980-07-21 |
Family
ID=11587798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP457479A Pending JPS5595645A (en) | 1979-01-17 | 1979-01-17 | Tempering treatment method for inorganic glass |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5595645A (en) |
Cited By (19)
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---|---|---|---|---|
US20120111056A1 (en) * | 2010-11-04 | 2012-05-10 | Christopher Prest | Enhanced strengthening of glass |
US8549882B2 (en) | 2009-09-30 | 2013-10-08 | Apple Inc. | Pre-processing techniques to produce complex edges using a glass slumping process |
US8923693B2 (en) | 2010-07-30 | 2014-12-30 | Apple Inc. | Electronic device having selectively strengthened cover glass |
US9615448B2 (en) | 2008-06-27 | 2017-04-04 | Apple Inc. | Method for fabricating thin sheets of glass |
US9725359B2 (en) | 2011-03-16 | 2017-08-08 | Apple Inc. | Electronic device having selectively strengthened glass |
US9756739B2 (en) | 2012-01-25 | 2017-09-05 | Apple Inc. | Glass device housing |
US9778685B2 (en) | 2011-05-04 | 2017-10-03 | Apple Inc. | Housing for portable electronic device with reduced border region |
US9886062B2 (en) | 2014-02-28 | 2018-02-06 | Apple Inc. | Exposed glass article with enhanced stiffness for portable electronic device housing |
US9946302B2 (en) | 2012-09-19 | 2018-04-17 | Apple Inc. | Exposed glass article with inner recessed area for portable electronic device housing |
US9944554B2 (en) | 2011-09-15 | 2018-04-17 | Apple Inc. | Perforated mother sheet for partial edge chemical strengthening and method therefor |
US10018891B2 (en) | 2012-01-10 | 2018-07-10 | Apple Inc. | Integrated camera window |
US10021798B2 (en) | 2010-09-17 | 2018-07-10 | Apple Inc. | Glass enclosure |
US10133156B2 (en) | 2012-01-10 | 2018-11-20 | Apple Inc. | Fused opaque and clear glass for camera or display window |
US10144669B2 (en) | 2011-11-21 | 2018-12-04 | Apple Inc. | Self-optimizing chemical strengthening bath for glass |
US10185113B2 (en) | 2009-03-02 | 2019-01-22 | Apple Inc. | Techniques for strengthening glass covers for portable electronic devices |
US10189743B2 (en) | 2010-08-18 | 2019-01-29 | Apple Inc. | Enhanced strengthening of glass |
US10320959B2 (en) | 2011-09-29 | 2019-06-11 | Apple Inc. | Multi-layer transparent structures for electronic device housings |
US10401904B2 (en) | 2011-05-04 | 2019-09-03 | Apple Inc. | Housing for portable electronic device with reduced border region |
US10781135B2 (en) | 2011-03-16 | 2020-09-22 | Apple Inc. | Strengthening variable thickness glass |
-
1979
- 1979-01-17 JP JP457479A patent/JPS5595645A/en active Pending
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9615448B2 (en) | 2008-06-27 | 2017-04-04 | Apple Inc. | Method for fabricating thin sheets of glass |
US10185113B2 (en) | 2009-03-02 | 2019-01-22 | Apple Inc. | Techniques for strengthening glass covers for portable electronic devices |
US8549882B2 (en) | 2009-09-30 | 2013-10-08 | Apple Inc. | Pre-processing techniques to produce complex edges using a glass slumping process |
US8923693B2 (en) | 2010-07-30 | 2014-12-30 | Apple Inc. | Electronic device having selectively strengthened cover glass |
US10189743B2 (en) | 2010-08-18 | 2019-01-29 | Apple Inc. | Enhanced strengthening of glass |
US10021798B2 (en) | 2010-09-17 | 2018-07-10 | Apple Inc. | Glass enclosure |
US10398043B2 (en) | 2010-09-17 | 2019-08-27 | Apple Inc. | Glass enclosure |
US11785729B2 (en) | 2010-09-17 | 2023-10-10 | Apple Inc. | Glass enclosure |
US10765020B2 (en) | 2010-09-17 | 2020-09-01 | Apple Inc. | Glass enclosure |
JP2013544220A (en) * | 2010-11-04 | 2013-12-12 | アップル インコーポレイテッド | Improved glass strengthening |
US20120111056A1 (en) * | 2010-11-04 | 2012-05-10 | Christopher Prest | Enhanced strengthening of glass |
US9725359B2 (en) | 2011-03-16 | 2017-08-08 | Apple Inc. | Electronic device having selectively strengthened glass |
US10781135B2 (en) | 2011-03-16 | 2020-09-22 | Apple Inc. | Strengthening variable thickness glass |
US11518708B2 (en) | 2011-03-16 | 2022-12-06 | Apple Inc. | Electronic device having selectively strengthened glass |
US10676393B2 (en) | 2011-03-16 | 2020-06-09 | Apple Inc. | Electronic device having selectively strengthened glass |
US10983557B2 (en) | 2011-05-04 | 2021-04-20 | Apple Inc. | Housing for portable electronic device with reduced border region |
US11681326B2 (en) | 2011-05-04 | 2023-06-20 | Apple Inc. | Housing for portable electronic device with reduced border region |
US10761563B2 (en) | 2011-05-04 | 2020-09-01 | Apple Inc. | Housing for portable electronic device with reduced border region |
US9778685B2 (en) | 2011-05-04 | 2017-10-03 | Apple Inc. | Housing for portable electronic device with reduced border region |
US10656674B2 (en) | 2011-05-04 | 2020-05-19 | Apple Inc. | Housing for portable electronic device with reduced border region |
US10401904B2 (en) | 2011-05-04 | 2019-09-03 | Apple Inc. | Housing for portable electronic device with reduced border region |
US9944554B2 (en) | 2011-09-15 | 2018-04-17 | Apple Inc. | Perforated mother sheet for partial edge chemical strengthening and method therefor |
US10320959B2 (en) | 2011-09-29 | 2019-06-11 | Apple Inc. | Multi-layer transparent structures for electronic device housings |
US10574800B2 (en) | 2011-09-29 | 2020-02-25 | Apple Inc. | Multi-layer transparent structures for electronic device housings |
US11368566B2 (en) | 2011-09-29 | 2022-06-21 | Apple Inc. | Multi-layer transparent structures for electronic device housings |
US10144669B2 (en) | 2011-11-21 | 2018-12-04 | Apple Inc. | Self-optimizing chemical strengthening bath for glass |
US10551722B2 (en) | 2012-01-10 | 2020-02-04 | Apple Inc. | Fused opaque and clear glass for camera or display window |
US10133156B2 (en) | 2012-01-10 | 2018-11-20 | Apple Inc. | Fused opaque and clear glass for camera or display window |
US10018891B2 (en) | 2012-01-10 | 2018-07-10 | Apple Inc. | Integrated camera window |
US9756739B2 (en) | 2012-01-25 | 2017-09-05 | Apple Inc. | Glass device housing |
US10512176B2 (en) | 2012-01-25 | 2019-12-17 | Apple Inc. | Glass device housings |
US11612975B2 (en) | 2012-01-25 | 2023-03-28 | Apple Inc. | Glass device housings |
US10278294B2 (en) | 2012-01-25 | 2019-04-30 | Apple Inc. | Glass device housings |
US10842031B2 (en) | 2012-01-25 | 2020-11-17 | Apple Inc. | Glass device housings |
US11260489B2 (en) | 2012-01-25 | 2022-03-01 | Apple Inc. | Glass device housings |
US9946302B2 (en) | 2012-09-19 | 2018-04-17 | Apple Inc. | Exposed glass article with inner recessed area for portable electronic device housing |
US10496135B2 (en) | 2014-02-28 | 2019-12-03 | Apple Inc. | Exposed glass article with enhanced stiffness for portable electronic device housing |
US9886062B2 (en) | 2014-02-28 | 2018-02-06 | Apple Inc. | Exposed glass article with enhanced stiffness for portable electronic device housing |
US10579101B2 (en) | 2014-02-28 | 2020-03-03 | Apple Inc. | Exposed glass article with enhanced stiffness for portable electronic device housing |
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