Patent · US Expired

Microfiber dielectrics which facilitate laser via drilling

US6224965A · kind A · utility

86Cited by
33References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1999
Grant dateMay 1, 2001
Priority date
Expiry dateJun 25, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2926
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention concerns electronic substrates comprising a non-woven filler material and a resin material. The present invention also includes electronic products manufactured from the electronic substrates of this invention including, but not limited to prepregs, metal clad laminates, and printed wiring boards with and without lased via holes. The present invention further includes a method of manufacturing printed built-up wiring boards including the steps of forming a prepreg and forming at least one via in the prepreg.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.