Patent · US Active

Substrate for printed circuit board, printed circuit board, and method for producing printed circuit board

US10076028B2 · kind B2 · utility

1Cited by
15References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 19, 2016
Grant dateSep 11, 2018
Priority date
Expiry dateJan 19, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/1131
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A substrate for a printed circuit board according to an embodiment of the present invention includes a base film having insulating properties and a sintered layer formed of a plurality of metal particles, the sintered layer being stacked on at least one surface of the base film, in which a region of the sintered layer extending from an interface between the sintered layer and the base film to a position 500 nm or less from the interface has a porosity of 1% or more and 50% or less.

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