Patent · US Active

Surface-mounted silicon chip

US8319339B2 · kind B2 · utility

2Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2010
Grant dateNov 27, 2012
Priority date
Expiry dateNov 23, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/14
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A silicon chip surface mounted via balls attached to its front surface, wherein the front and rear surfaces of the chip are covered with a thermosetting epoxy resin having the following characteristics: the resin contains a proportion ranging from 45 to 60% by weight of a load formed of carbon fiber particles with a maximum size of 20 μm and with its largest portion having a diameter ranging between 2 and 8 μm, on the front surface side, the loaded resin covers from 45 to 60% of the ball height, on the rear surface side, the loaded resin has a thickness ranging between 80 and 150 μm.

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