Printhead with print artifact supressing cavity

US9199462B1 · kind B1 · utility

Assignee

• EASTMAN KODAK COMPANY · US

Inventors

• Michael F. Baumer · Dayton, US
• Chang-Fang Hsu · Beavercreek, US
• Todd R. Griffin · Rochester, US
• Randy L. Fagerquist · Beavercreek, US
• Ronald J. Hill · New Smyrna Beach, US
• Robert Link · Birkenfeld, DE
• Gyanendra P. Sasmal · Sharonville, US
• Qing Yang · Pittsford, US

Key dates

• Filing date: Sep 19, 2014
• Grant date: Dec 1, 2015
• Expiry date: Sep 19, 2034

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2002/031
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A printhead includes a nozzle plate including a plurality of nozzles and a manifold body bonded to the nozzle plate. The manifold body includes a liquid channel in fluid communication with the plurality of nozzles. A cavity that dampens pressure modulation in liquid channel of the manifold body is located between the nozzle plate and the manifold body. The cavity is fluidically common to the plurality of nozzles.