Patent · US Active

Semiconductor device manufacturing method and associated semiconductor die

US11469198B2 · kind B2 · utility

0Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2019
Grant dateOct 11, 2022
Priority date
Expiry dateMar 14, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/94
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device manufacturing method including: simultaneously forming a plurality of conductive bumps respectively on a plurality of formation sites by adjusting a forming factor in accordance with an environmental density associated with each formation site; wherein the plurality of conductive bumps including an inter-bump height uniformity smaller than a value, and the environmental density is determined by a number of neighboring formation sites around each formation site in a predetermined range.

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