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. 23, 2019
Filed:
Dec. 20, 2012
Dtg International Gmbh, Zurich, CH;
Michael Zahn, Singapore, DE;
ASM Assembly Systems Singapore Pte. Ltd., Singapore, SG;
Abstract
A stencil for printing a pattern of deposits on a substrate, wherein the stencil comprises an electroformed metal sheet which has a first layer which includes an apertured region through which a printing medium is applied in a printing operation, and a second layer which overlies a substrate to be printed and includes a plurality of apertures, wherein the apertures of the second layer extend across and beyond the apertured region in the first layer, whereby the second layer includes a plurality of through apertures in registration with the apertured region of the first layer, each having a pattern corresponding to that to be printed on the substrate, and a plurality of blind apertures disposed adjacent and outwardly of the apertured region in the first layer.