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:
Jul. 18, 2017
Filed:
Oct. 24, 2014
Stmicroelectronics S.r.l., Agrate Brianza, IT;
Stmicroelectronics, Inc., Coppell, TX (US);
Dino Faralli, Milan, IT;
Michele Palmieri, Corvallis, OR (US);
STMICROELECTRONICS S.R.L., Agrate Brianza, IT;
STMICROELECTRONICS, INC., Coppell, TX (US);
Abstract
A nozzle plate for a fluid-ejection device, comprising: a first substrate made of semiconductor material, having a first side and a second side; a structural layer extending on the first side of the first substrate, the structural layer having a first side and a second side, the second side of the structural layer facing the first side of the first substrate; at least one first through hole, having an inner surface, extending through the structural layer, the first through hole having an inlet section corresponding to the first side of the structural layer and an outlet section corresponding to the second side of the structural layer; a narrowing element adjacent to the surface of the first through hole, and including a tapered portion such that the inlet section of the first through hole has an area larger than a respective area of the outlet section of the first through hole.