US 12,468,917 B2
Card-like data carrier, and method for detaching an adhesive connection for a card-like data carrier
Mikko Kahkonen, Munich (DE); Ashwini Pandey, Poing (DE); and Thomas Tarantino, Laufen (DE)
Assigned to GIESECKE+DEVRIENT EPAYMENTS GMBH, Munich (DE)
Appl. No. 18/694,485
Filed by GIESECKE+DEVRIENT EPAYMENTS GMBH, Munich (DE)
PCT Filed Sep. 22, 2022, PCT No. PCT/EP2022/025441
§ 371(c)(1), (2) Date Mar. 22, 2024,
PCT Pub. No. WO2023/046320, PCT Pub. Date Mar. 30, 2023.
Claims priority of application No. 10 2021 004 810.5 (DE), filed on Sep. 23, 2021.
Prior Publication US 2024/0320460 A1, Sep. 26, 2024
Int. Cl. G06K 19/077 (2006.01)
CPC G06K 19/0772 (2013.01) 15 Claims
OG exemplary drawing
 
14. A method for releasing an adhesive connection for a card-like data carrier which comprises an electronic chip module with at least one chip and a contact structure, and a card body with an arrangement region for receiving the chip module,
wherein the chip module is arranged in the arrangement region of the card body and is connected to the card body by means of at least one adhesive having an irreversibly modifiable chemical structure,
wherein the method comprises the following steps:
providing the card-like data carrier and
thermolytically releasing the adhesive in a predetermined temperature range and/or chemically releasing the adhesive by releasing binding forces to separate the connection between the chip module and the card body.