In order to provide a glass panel in which any substance which may be present on the glass surface and may then become detached to invite deterioration in the vacuum degree has been sufficiently reduced and which can maintain highly sealed condition against the surround atmosphere for an extended pe
In order to provide a glass panel in which any substance which may be present on the glass surface and may then become detached to invite deterioration in the vacuum degree has been sufficiently reduced and which can maintain highly sealed condition against the surround atmosphere for an extended period of time, in a glass panel comprising a pair of glass sheet disposed in an opposing and spaced relationship with each other with a gap formed therebetween, the gap being air-tightly sealed by joining peripheral edges of the glass sheets with a sealing material, at least one of the glass sheets has a water contact angle of 30 degrees or less on a gap-side glass surface thereof.
대표청구항▼
1. A glass panel comprising: a pair of glass sheets disposed in an opposing and spaced relationship with each other with a gap formed therebetween, the gap being evacuated and sealed by joining peripheral edges of the glass sheets with a sealing material, wherein at least one of the glass sheets h
1. A glass panel comprising: a pair of glass sheets disposed in an opposing and spaced relationship with each other with a gap formed therebetween, the gap being evacuated and sealed by joining peripheral edges of the glass sheets with a sealing material, wherein at least one of the glass sheets has a water contact angle of 30 degrees or less on a gap-side glass surface thereof. 2. A glass panel according to claim 1, wherein at least one of the glass sheets has a water contact angle of 20 degrees or less on a gap-side glass surface of the glass sheet.3. A glass panel according to claim 1, wherein the sealing material has a lead content below 0.1 wt. %.4. A glass panel according to claim 2, wherein the sealing material has a lead content below 0.1 wt. %.5. A glass panel according to claim 1, wherein the sealing material is a metal material.6. A glass panel according to claim 2, wherein the sealing material is a metal material.7. A glass panel according to claim 3, wherein the sealing material is a metal material.8. A glass panel according to claim 1, wherein the glass panel satisfies the condition: 100≦TL≦(TS−100), where TL(° C.) is the liquidus temperature of the metal material and TS(° C.) is the distortion point of the glass sheet.9. A glass panel according to claim 2, wherein the glass panel satisfies the condition: 100≦TL≦(TS−100), where TL(° C.) is the liquidus temperature of the metal material and TS(° C.) is the distortion point of the glass sheet.10. A glass panel according to claim 3, wherein the glass panel satisfies the condition: 100≦TL≦(TS−100), where TL(° C.) is the liquidus temperature of the metal material and TS(° C.) is the distortion point of the glass sheet.11. A glass panel according to claim 5, wherein the glass panel satisfies the condition: 100≦TL≦(TS−100), where TL(° C.) is the liquidus temperature of the metal material and TS(° C.) is the distortion point of the glass sheet.12. A glass panel according to claim 1, wherein the metal material contains two or more kinds selected from a group consisting of Sn, Zn, Al, Si and Ti.13. A glass panel according to claim 2, wherein the metal material contains two or more kinds selected from a group consisting of Sn, Zn, Al, Si and Ti.14. A glass panel according to claim 1, wherein the sealing material is a glass material.15. A glass panel according to claim 2, wherein the sealing material is a glass material.16. A glass panel according to claim 1, wherein the panel satisfies the condition: 100≦Tg≦300, where Tg (° C.) is the glass-transition temperature of the glass material.17. A glass panel according to claim 14, wherein the panel satisfies the condition: 100≦Tg≦300, where Tg (° C.) is the glass-transition temperature of the glass material.18. A glass panel according to claim 1, wherein at least one of the glass sheets is an air-cooled tempered glass sheet.
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이 특허에 인용된 특허 (2)
Shigeki Iida JP, Coating composition and coating method.
Aitken, Bruce G.; Carberry, Joel P.; DeMartino, Steven E.; Hagy, Henry E.; Lamberson, Lisa A.; Miller, II, Richard J.; Morena, Robert; Schroeder, III, Joseph F.; Streltsov, Alexander; Widjaja, Sujanto, Glass package that is hermetically sealed with a frit and method of fabrication.
Aitken, Bruce G.; Carberry, Joel P.; DeMartino, Steven E.; Hagy, Henry E.; Lamberson, Lisa A.; Miller, II, Richard J.; Morena, Robert; Schroeder, III, Joseph F.; Streltsov, Alexander; Widjaja, Sujanto, Glass package that is hermetically sealed with a frit and method of fabrication.
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