Patent · US Expired

Inkjet printhead for printing with low density keep-wet dots

US7246876B2 · kind B2 · utility

5Cited by

3References

17Claims

0Family size

Assignee

Silverbrook Research Pty Ltd · AU

Inventors

Kia Silverbrook · Sydney, AU
Simon Robert Walmsley · Sydney, AU
Angus John North · Sydney, AU
Gregory John McAvoy · Sydney, AU

Key dates

Filing date	Apr 4, 2005
Grant date	Jul 24, 2007
Priority date	—
Expiry date	Jan 27, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2202/20
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An inkjet printhead with a plurality of nozzles, a bubble forming chamber corresponding to each of the nozzles respectively, the bubble forming chambers adapted to contain ejectable liquid, a heater element positioned in each of the bubble forming chambers respectively for heating the ejectable liquid to form a gas bubble that causes the ejection of a drop of the ejectable liquid from the nozzle; and,

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