Patent · US Expired

Ink jet recording head assembly

US5389962A · kind A · utility

34Cited by
8References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1991
Grant dateFeb 14, 1995
Priority date
Expiry dateDec 9, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/14322
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet recording head assembly includes: a base member having a plurality of enclosures, a top of each of the enclosures having an opening; a mechanism for supplying ink to each of the enclosures via the opening at the top thereof and for maintaining the ink at a predetermined depth; and a heater element which is provided in each of the enclosures under the ink supplied via the opening, the heater element heating the ink in each of the enclosures so that a bubble is generated in the ink; wherein an ink drop is jetted from a surface of the ink due to the bubble generated in the ink.

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