Patent · US Expired

Ink-jet printhead

US6979076B2 · kind B2 · utility

1Cited by
15References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 2003
Grant dateDec 27, 2005
Priority date
Expiry dateOct 24, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/1437
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink-jet printhead includes a substrate on which an ink chamber to be supplied with ink to be ejected is formed on a front surface of the substrate, a manifold for supplying ink to the ink chamber is formed on a rear surface of the substrate, and an ink passage in communication with the ink chamber and the manifold is formed parallel to the front surface of the substrate, a nozzle plate formed on the front surface of the substrate, a nozzle formed through the nozzle plate through which ink is ejected from the ink chamber, a heater formed on the nozzle plate, and an electrode electrically connected to the heater for applying current to the heater.

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