Patent · US Expired

Method for making a semiconductor chip package

US6521480B1 · kind B1 · utility

37Cited by
31References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2000
Grant dateFeb 18, 2003
Priority date
Expiry dateAug 2, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/063
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method for making a semiconductor chip package. At least one compliant pad is provided on a surface of a substrate and a chip unit is attached to the at least one compliant pad. The at least one compliant pad has a first coefficient of thermal expansion (“CTE”). An encapsulant having a second CTE lower than the CTE of the compliant pads is disposed around the at least one compliant pad to form a composite layer between the chip unit and the substrate.

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