Patent · US Expired

Microweld apparatus with an improved electrode tip design and tip support

US4697058A · kind A · utility

17Cited by
3References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 28, 1986
Grant dateSep 29, 1987
Priority date
Expiry dateApr 28, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/14
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A welding apparatus for bonding small wires to a metal surface wherein an electric current is passed through a portion of a wire in contact with a welding tip, the apparatus having a welding tip support means for supporting the welding tip for rectilinear movement, the support means having movable mass less than 10 grams, the low mass enabling the welding tip to maintain contact with the wire portion during the molten phase of the wire during the welding operation, and a means to urge the tip support means into engagement with the wire.

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