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:
Dec. 18, 2018
Filed:
Jun. 12, 2012
Kai Sun, Beijing, CN;
Xiaoli Wang, Beijing, CN;
Jun Zhu, Beijing, CN;
Xinyi LI, Beijing, CN;
Xin Qu, Beijing, CN;
Weiwei Zhang, Beijing, CN;
Kai Sun, Beijing, CN;
Xiaoli Wang, Beijing, CN;
Jun Zhu, Beijing, CN;
Xinyi Li, Beijing, CN;
Xin Qu, Beijing, CN;
Weiwei Zhang, Beijing, CN;
ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD, Beijing, CN;
CHINA BANKNOTE PRINTING AND MINTING CORP., Beijing, CN;
Abstract
An optical anti-counterfeiting element comprises a base material (). The base material () has a first surface and a second surface which are opposite to each other. The first surface is covered thereon with a micro-sampling tool (); one part of the second surface is a micro image-text formed by a micro relief structure (), and the other part thereof is a flat structure which does not form a micro image-text and/or a micro relief structure () which is different from the micro relief structure forming the micro image-text. The flat structure which does not form the micro image-text and the micro relief structure () different from the micro relief structure forming the micro image-text are homomorphically covered thereon with a first plating (), the micro relief structure () forming the micro image-text is homomorphically covered thereon with a second plating (), and the micro image-text is sampled by the micro sampling tool (). Also provided is an anti-counterfeiting product using the optical anti-counterfeiting element and a preparation method therefor.