Composition for producing a board and printed circuit board using the same
US8512596B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Oct 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31681
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composition, including a liquid crystal polymer or oligomer having a terminal hydroxyl group, and a cross-linking agent including a bismaleimide compound, an epoxy resin or a combination thereof, wherein the liquid crystal polymer or oligomer is represented by Formula 1:Z1—(R1)m—(R2)n—Z2 (1),wherein R1 is represented by Formula 2:—X1—Ar1—Y1— (2),wherein X1 and Y1 are each independently selected from the group consisting of O, CO and NR″, in which R″ is independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C20 alkyl group, and a substituted or unsubstituted C6-C30 aryl group, and Ar1 includes at least one divalent aromatic or alicyclic organic group selected from the group consisting of Formula 3:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.