Patent · US Expired

Semiconductor package having semiconductor chip mounted on board in face-down relation

US5677575A · kind A · utility

56Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1996
Grant dateOct 14, 1997
Priority date
Expiry dateMay 30, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3025
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The semiconductor package comprises a board having a wiring circuit including a connecting portion on a first main surface, a semiconductor chip mounted on the first main surface of the board in face-down relation, a resin layer filled into a space formed between a surface of the semiconductor chip and the first main surface of the board, flat type external connecting terminals electrically connected to the semiconductor chip and formed on a second main surface of the board, and a dummy wiring pattern formed at an outer-peripheral edge portion of at least one of the first main surface of the board and an inner wiring layer.

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