Forming electrically-conductive patterns using crosslinkable reactive polymers
US9366965B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Jan 1, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/26
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrically-conductive pattern is prepared using a reactive composition having: (1) a reactive polymer; (2) a compound that provides a cleaving acid upon exposure to radiation; and (3) a crosslinking agent that reacts in the presence of the cleaving acid, to provide crosslinking in the reactive polymer. A polymeric layer of the reactive composition is patternwise exposed to provide a polymeric layer comprising non-exposed regions and exposed regions comprising a polymer comprising sulfonic acid or sulfonate groups. The exposed regions are contacted with electroless seed metal ions to form a pattern of electroless seed metal ions, which pattern is reduced to provide a pattern of corresponding electroless seed metal particles. Electrolessly plating is then carried out in the exposed regions. The unique reactive comprises (a) recurring units represented Structure (A) as described in the disclosure, and can also include other recurring units that are crosslinkable or provide other properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.