Hewlett-packard Development Company, L.p.

Christopher C Aschoff

Charles Craig Haluzak

Brian G Risch

John M Altendorf

Paul F Reboa

Siddhartha Bhowmik

Gilbert G Smith

William R Boucher

Joshua W Smith

Swaroop K Kommera

David M Braun

Richard J Oram

Curtis L Nelson

Phillip G Rourke

Philip G Rourke

Methods and an apparatus are disclosed, wherein a print head die includes a slot and ribs across the slot. The ribs are recessed from one or both sides of the die.

Print head die slot ribs

A method of controlling flow includes treating a region of a surface to have a non-wettable surface characteristic or a wettable surface characteristic in the region.

Methods of controlling flow

A mold configured to be coupled to a fluid ejection head die to allow a protective material to be molded around a plurality of contact pads on the die is disclosed. The mold includes a molding surface configured to cover the contact pads, wherein the molding surface is configured to support and shape the protective material during molding, and at least one side extending away from the molding surface, wherein the side is configured to contain the protective material during molding.

Fluid ejection device and method of manufacturing a fluid ejection device

Growing community of inventors

Corvallis, OR, United States of America

Christopher C Aschoff