Fujifilm Dimatix, Inc.

Spectra, Inc.

Frederick H Amidon, Jr

David A Brady

Marc K Torrey

Carl A Tracy

John F Ray

Thomas B Alexander

Among other things, in one aspect, an apparatus comprises features to enable mounting first and second jetting assemblies on a frame. The features comprise first and second alignment datums pre-fixed with respect to the frame for establishing respective positions of the first and second jetting assemblies, when mounted, so that at least some of the nozzles along a length of one of the jetting assemblies have predetermined offsets relative to at least some of the nozzles along a length of the other of the jetting assemblies, and an opening exposing all of the nozzles along the lengths of the first and second jetting assemblies are exposed to permit jetting of a fluid onto a substrate.

Positioning jetting assemblies

Printhead frame

Printhead assembly

In an aspect, the invention features an apparatus and method for cleaning with a flow of gas. In embodiments, a gas cleaning assembly is provided that includes a nozzle outlet that directs cleaning gas, e.g., toward a work piece, and a sheath gas jacket surrounding at least a portion of the nozzle that directs a sheath gas into contact with the nozzle.

Cleaning nozzle

Growing community of inventors

Cornish, NH, United States of America

Frederick H Amidon, Jr