Title:
HOT STAMPING PROCESS
Document Type and Number:
WIPO Patent Application WO/2023/071972
Kind Code:
A1
Abstract:
A hot stamping process comprises the following steps: performing first hot stamping on a to-be-printed object by using a first mold to form a bottom pattern on the to-be-printed object; or laminating a laser mirror substrate on a body of the to-be-printed object to form the to-be-printed object, and printing ink on one side of the to-be-printed object provided with the laser mirror substrate to form the bottom pattern on the to-be-printed object (101); performing second hot stamping on the bottom pattern by using a second mold, wherein the second mold is a mold with gridded light and shadow lines formed in advance, and the gridded light and shadow lines comprise a plurality of grid regions with different refractive index textures (102). The hot stamping process can make different regions of the final pattern visually present light and dark differences, so that the printed pattern has a stereoscopic light and shadow effect; moreover, only two hot stamping procedures are needed to obtain the printed pattern with the stereoscopic light and shadow effect, and the molds used in these two procedures can directly operate on the to-be-printed object, so the hot stamping process is simple with low costs.
Inventors:
ZENG TENG (CN)
Application Number:
PCT/CN2022/126955
Publication Date:
May 04, 2023
Filing Date:
October 24, 2022
Export Citation:
Assignee:
GIESECKE DEVRIENT MOBILE SECURITY GMBH (DE)
GIESECKE DEVRIENT CHINA TECH CO LTD (CN)
GIESECKE DEVRIENT CHINA TECH CO LTD (CN)
International Classes:
B41M5/382; B41F19/06; B44C1/17; B44C1/24
Domestic Patent References:
| WO2001085473A1 | 2001-11-15 |
Foreign References:
| CN113910799A | 2022-01-11 | |||
| CN107264024A | 2017-10-20 | |||
| GB2488325A | 2012-08-29 | |||
| CN206999887U | 2018-02-13 | |||
| CN111942070A | 2020-11-17 | |||
| CN109677149A | 2019-04-26 | |||
| CN104608512A | 2015-05-13 |
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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