Full perimeter chemical strengthening of substrates
US9207787B2 · kind B2 · utility
0Cited by
29References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2010 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC —)General
Abstract
Methods and apparatus for protecting the thin films during chemical and/or thermal edge strengthening treatment. In one embodiment, a portion of each individual sheet is laminated. Pairs of sheets are then sealed together such that the thin film sides face inward to form a thin film sandwich. In some embodiments, the sandwich in then immersed in a chemical strengthener. In other embodiments, a localized treatment is applied to the unstrengthened edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.