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:
Mar. 28, 2006
Filed:
Nov. 18, 2004
Martha A. Truninger, Corvallis, OR (US);
Charles C. Haluzak, Corvallis, OR (US);
Michael Monroe, Corvallis, OR (US);
Martha A. Truninger, Corvallis, OR (US);
Charles C. Haluzak, Corvallis, OR (US);
Michael Monroe, Corvallis, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A method of forming an opening through a substrate having a first side and a second side opposite the first side includes forming a trench in the first side of the substrate, forming a mask layer within the trench, forming at least one hole in the mask layer, filling the trench and the at least one hole, forming a first portion of the opening in the substrate from the second side of the substrate to the mask layer, and forming a second portion of the opening in the substrate from the second side of the substrate through the at least one hole in the mask layer to the first side of the substrate.