The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2009
Filed:
Dec. 16, 2003
Lucia Giovanola, Ivrea, IT;
Renato Conta, Ivrea, IT;
Lucia Giovanola, Ivrea, IT;
Renato Conta, Ivrea, IT;
Telecom Italia S.p.A., Milan, IT;
Abstract
The chambers () and each corresponding ink feeding duct (), made in a structural layer of photosensitive resin (), are delimited by a flat bottom wall () made of a protective layer () of tantalum and gold and an upper wall (), consisting of a substantially concave surface, including at least one ejection nozzle () and joined to the bottom wall along a continuous perimetral line (), in which the inner shape of each of the chambers () and of each of the feeding ducts () represents the complementary impression of the outer form of a sacrificial layer (), obtained from a controlled and non-contained growth of a metal, deposited starting from the dimensions of the layer of gold (), laid on top of the layer of tantalum ().