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:
Jun. 11, 2024
Filed:
Mar. 12, 2020
Ams Sensors Singapore Pte. Ltd., Singapore, SG;
Bojan Tesanovic, Eglisau, CH;
Hartmut Rudmann, Jona, CH;
Nicola Spring, Ziegelbrücke, CH;
Sebastiano Lazzi Gazzini, Zurich, CH;
AMS SENSORS SINGAPORE PTE. LTD., Singapore, SG;
Abstract
A method of manufacturing a plurality of optical elements () comprising the steps of providing a substrate (), and a tool () comprising a plurality of replication sections (), each defining a surface structure of one of the optical elements (), the tool () further comprising at least one contact spacer portion (), aligning the tool () and the substrate () with respect to each other and bringing the tool () and a first side of the substrate () together, with replication material () between the tool () and the substrate (), the contact spacer portion () contacting the first side of the substrate (), and thereby causing the spacer portion () to adhere to the first side of the substrate (), hardening the replication material (), wherein the substrate () has yard line features () around at least a portion of the replication sections (), the yard line features () containing the replication material () on a first side of the yard line with respect to the tool () and the substrate ().