Invention Grant
US08143532B2 Barrier layer to prevent conductive anodic filaments 有权
阻挡层防止导电阳极细丝

  • Patent Title: Barrier layer to prevent conductive anodic filaments
  • Patent Title (中): 阻挡层防止导电阳极细丝
  • Application No.: US12366017
    Application Date: 2009-02-05
  • Publication No.: US08143532B2
    Publication Date: 2012-03-27
  • Inventor: Leilei Zhang
  • Applicant: Leilei Zhang
  • Applicant Address: US CA San Jose
  • Assignee: Xilinx, Inc.
  • Current Assignee: Xilinx, Inc.
  • Current Assignee Address: US CA San Jose
  • Agent Scott Hewett; LeRoy D. Maunu; Lois D. Cartier
  • Main IPC: H05K1/11
  • IPC: H05K1/11
Barrier layer to prevent conductive anodic filaments
Abstract:
A through hole is formed in a circuit board that has fibers dispersed in a polymer matrix. Copper is sputtered within the through hole to form a sufficiently conductive layer for electrolytic plating over the sputtered copper layer.
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