Solid inks for masks for printed circuit boards and other electronic devices
US8303832B2 · kind B2 · utility
3Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2009 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Nov 18, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A printed mask derived from a composition comprised of at least one compound including at least one alkaline-hydrolyzable group, at least one compound including at least one ethylene oxide group and at least one ultraviolet radiation blocking agent, wherein the printed mask is removable using an alkaline solution in about 30 seconds or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.