Glass panel and production method therefor
US6733850B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2001 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | Apr 3, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B80/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.