Title：A chip with information indentification and its fabrication method

Country：China

Patent No.：201110086856.1

Legal Status：Authorized

Inventor：Chun Zhang, Yuhui He, Xijin Zhao, Zhihua Wang

Assignee：Tsinghua University

Address：Mailbox No. 82, Beijing 100084

Filing Date：2011-04-07

Issue Date：2013-09-04

The invention provides a chip with information identification, wherein the chip comprises a label circuit, a chip antenna, a chip core and a pad ring; the label circuit comprises a radio frequency analogue circuit, a digital circuit module and a memory; the chip antenna is connected to the radio frequency analogue circuit, the radio frequency analogue circuit is connected to the digital circuit module, the digital circuit module is connected to the memory, the chip core is arranged on the centre of the pad ring and is connected to the pad of the pad ring; the preparation method comprises the following steps of: forming a FRID (Radio Frequency Identification) label circuit into a module which is the same with the width of the chip pad, then directly placing the layout of a FRID module in the position of the chip pad, placing a FRID chip antenna inside or outside the pad ring in the chip layout, and then making plate and processing to produce a chip with embedded electric identificationinformation, wherein the identification information in the chip is written into or read from the chip through a card reader. The chip with information identification and the preparation method of thechip have the advantages that the reliability for the method of embedding the identification information of the chip is high, the cost is prevented from increasing, and the chip has great applicationvalues in anti-fake, management and identification field of the chip.

Patent Certificate： PDF/Jpg