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:
May. 27, 2008
Filed:
Jan. 24, 2005
Martha A. Truninger, Corvallis, OR (US);
Charles C. Haluzak, Corvallis, OR (US);
Steven Leith, Albany, OR (US);
Martha A. Truninger, Corvallis, OR (US);
Charles C. Haluzak, Corvallis, OR (US);
Steven Leith, Albany, 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, filling the trench with a fill material, forming a first portion of the opening in the substrate from the second side of the substrate toward the mask layer, and forming a second portion of the opening in the substrate through the mask layer and the fill material, including communicating the second portion of the opening with the first portion of the opening and the first side of the substrate.