Patent · US Expired

Ink jet print heads

US5867189A · kind A · utility

22Cited by
16References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1996
Grant dateFeb 2, 1999
Priority date
Expiry dateOct 31, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/12
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides an ink jet print head capable of fast, efficient and consistent printing. Such ink jet print heads include an ink ejecting component which incorporates electropolished surfaces. Electropolishing techniques useful in the production of such ink ejecting components are also discussed.

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