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:
Apr. 14, 2025
Filed:
Mar. 10, 2020
Heptagon Photonics Pte. Ltd., Singapore, SG;
Nicola Spring, Ruschlikon, CH;
QiChuan Yu, Singapore, SG;
HEPTAGON PHOTONICS PTE. LTD., Singapore, SG;
Abstract
A method of manufacturing a plurality of optical elements (), the method comprising providing a first wafer () having hardened replication material forming optical elements () on a first side of the first wafer (), providing a second wafer () having hardened replication material forming optical elements () on a first side of the second wafer (), depositing liquid droplets () on the first side of the first wafer () between the optical elements () aligning the first side of the first wafer () with the first side of the second wafer (), and bringing the two wafers () together such that the liquid droplets () on the first side of the first wafer () adhere to the first side of the second wafer ().