Stable UV curable compositions comprising triphenyl phosphite for forming solder mask coatings of high cure depth
US4614704A · kind A · utility
2Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1985 |
| Grant date | Sep 30, 1986 |
| Priority date | — |
| Expiry date | Jun 21, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/128
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method and composition for increasing the cure depth of a solder mask coating at a low UV energy level. The stable composition, which includes a UV curable compound and a photoinitiator, is characterized by the presence of triphenylphosphite in the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.