Poly(p-xylylene)-based polymer having low dielectric constant and low-loss property and insulating material, printed circuit board and functional element using the same
US8829155B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Feb 12, 2009 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Aug 11, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/4676
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a poly(p-xylylene)-based polymer having a low dielectric constant suitable for low loss dielectrics (LLD), and an insulating material, a printed circuit board and a functional element using the same. More particularly, the poly(p-xylylene)-based polymer includes at least one repeat unit expressed by the following formula (1):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.