Production method of double-interface smart card and double-interface smart card

Abstract

The invention discloses a production method of a double-interface smart card and a double-interface smart card. The production method of the double-interface smart card comprises: providing an antenna layer and an antenna, embedding the antenna on a joint surface of the antenna layer, and embedding an antenna head and an antenna tail of the antenna in a preset area of the antenna layer; providing a first protective layer, and embedding an isolation block on a binding face of the first protective layer; after laminating the binding face of the first protective layer to the joint surface of the antenna layer, combining the first protective layer with the antenna layer by a laminating technology, wherein the isolation block covers the preset area, and a melting point of the isolation block is higher than a heating temperature of the laminating technology; separating the preset area from other areas of the antenna layer; lifting the preset area, and separating the antenna head and the antenna tail of the antenna from the preset area; and providing a chip, and fixing the chip, the antenna head and the antenna tail on the antenna layer after electrically connecting the chip with the antenna head and the antenna tail. According to the technical scheme of the invention, efficiency of manufacturing the double-interface smart card and a qualified rate of the double-interface smart card can be improved.

Description

Technical field [0001] The invention relates to the technical field of dual-interface smart cards, in particular to a method for producing dual-interface smart cards and dual-interface smart cards. Background technique [0002] The difference between a dual-interface smart card and an ordinary IC card is that a dual-interface smart card is a combination of a card base, an antenna, and a chip. It is a single-chip-based smart card that integrates contact and non-contact interfaces. It has two operation interfaces, which can access the chip by touching the contacts or by spaced apart by radio frequency. In the process of producing the dual-interface smart card, it is necessary to first pick out the wire head and wire tail of the antenna from the card base, and electrically connect with the chip, and then fix the chip on the card base. There are currently two conventional methods: one is to mill grooves on the card base until the end and end of the thread are exposed, and then manua...

AI Technical Summary

Problems solved by technology

There are two conventional methods at present: one is to mill grooves on the card base until the thread head and thread tail are exposed, and then manually pick out the thread head and thread tail. The thread efficiency is low; the other is to mill grooves on the card base until the thread head and thread tail are exposed, and then the thread head and thread tail are picked out by mechanical equipment. In this way, the thread head and thread tail are easy to tear off, making the card base scrap higher rate

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