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Giovanola; Lucia
Ivrea, IT
No. of patents:

Patent Number Title Of Patent Date Issued
8109614 Process for protectively coating hydraulic microcircuits against aggressive liquids, particulary February 7, 2012
An ink jet printhead, made of a silicon substrate and a plurality of metallic and dielectric layers deposited on said substrate. A plurality of chambers for ejection of ink droplets and a plurality of corresponding feeding ducts, connected to the chambers, are produced in a structural
7595004 Ink jet printhead and relative manufacturing process September 29, 2009
The chambers (42) and each corresponding ink feeding duct (56), made in a structural layer of photosensitive resin (38), are delimited by a flat bottom wall (36) made of a protective layer (34, 36) of tantalum and gold and an upper wall (44), consisting of a substantially concave surface
7332100 Process for protectively coating hydraulic microcircuits against agressive liquids, particularly February 19, 2008
Process for protectively coating against aggressive liquids hydraulic microcircuits made in a resin, particularly for an ink jet printhead, consisting of: disposing of a silicon substrate comprising a sacrificial layer of copper, deposited on the substrate and defining the inner shape

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