Toughened benzocyclobutene based polymers and their use in building-up printed wiring boards
This invention relates to a process for making additional interconnect layers on commercially available printed circuit boards using toughened benzocyclobutene based polymers and metal foils coated with such polymers. This invention also relates to such toughened benzocyclobutene-based polymers. The...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This invention relates to a process for making additional interconnect layers on commercially available printed circuit boards using toughened benzocyclobutene based polymers and metal foils coated with such polymers. This invention also relates to such toughened benzocyclobutene-based polymers.
The invention is a process for building-up printed wiring boards using metal foil coated with toughened benzocyclobutene-based dielectric polymers. The invention is also a toughened dielectric polymer comprising benzocyclobutene-based monomers or oligomers, ethylenically unsaturated polymer additive, and, optionally, a photoactive compound. |
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