Patent · US Expired

Ink jet print heads and methos for preparing them

US5574486A · kind A · utility

13Cited by
12References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1993
Grant dateNov 12, 1996
Priority date
Expiry dateJan 13, 2013

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.