Patent · US Expired

Methods and apparatus for electrohydrodynamic ejection

US6312110A · kind A · utility

33Cited by
8References
34Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 2000
Grant dateNov 6, 2001
Priority date
Expiry dateSep 22, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/061
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An inkjet printhead in accordance with the invention includes a base that defines a channel. The channel defines an upper orifice that communicates with a reservoir containing ink and a lower orifice. At least one electrode is actuable to provide an electrostatic field within the channel so as to move ink from the upper orifice toward the lower orifice. The at least one electrode includes an upper electrode layer disposed at the upper orifice and a lower electrode layer disposed at the lower orifice.

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