Patent · US Expired

Low-profile capillary for wire bonding

US7320425B2 · kind B2 · utility

7Cited by
15References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 2005
Grant dateJan 22, 2008
Priority date
Expiry dateSep 2, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/00014
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A wire bonding tool includes a first cylindrical portion having a first outside diameter and a second cylindrical portion adjacent the first cylindrical portion. The second cylindrical portion has a second outside diameter, the second outside diameter being less than the first outside diameter. The wire bonding tool also includes a tapered portion adjacent the second cylindrical portion. The tapered portion has a third outside diameter at an end adjacent the second cylindrical portion, the third outside diameter being less than the first outside diameter.

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