Patent · US Active

Multilayered printed circuit board, solder resist composition, and semiconductor device

US7910836B2 · kind B2 · utility

5Cited by
23References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2007
Grant dateMar 22, 2011
Priority date
Expiry dateAug 14, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K3/4602
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention is to provide a multilayered printed circuit board free from cracks attributed to thermal expansion difference between a solder resist layer and another part and a multilayered printed circuit board of the present invention comprises a conductor circuit and a resin insulating layer serially formed on a substrate in an alternate fashion and in repetition and a solder resist layer formed as an outermost layer, and the solder resist layer contains an inorganic filler.

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