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RFID chip

A radio frequency identification and chip technology, which is applied to record carriers, instruments, and electrical components used in machines, can solve the problems of high price, restrict the promotion and application of radio frequency identification technology, and achieve the effect of reducing production costs and simplifying the assembly process.

Inactive Publication Date: 2009-02-04
徐海生
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AI Technical Summary

Problems solved by technology

[0005] Later, there appeared PZT[Pb(Zr,Ti)O 3 ] Ferroelectric random memory chips with dielectrics, such as the 1T / 1C mobile phone chips of companies such as Japan’s Fujitsu and South Korea’s Samsung, and then the toxicity of lead (Pb) in the PZT dielectric and PZT must be at high temperatures (usually above 1000 ° C) Processing limits its further development
[0006] The current radio frequency identification chip is a silicon chip, the price is high, which seriously restricts the further promotion and application of radio frequency identification technology

Method used

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Embodiment Construction

[0025] see figure 1 As shown, it is a schematic structural view of a printable all-polymer radio frequency identification chip 10 according to the present invention. It includes a base body 11 , a chip unit 12 disposed on the base body 11 and an antenna 13 disposed around the chip unit 12 .

[0026] see figure 2 As shown, the chip unit 12 of the radio frequency identification chip 10 includes a memory unit 21 and an operating circuit 22, wherein the operating circuit 22 can be located below the plane where the memory unit 21 is located or outside the same plane.

[0027] see image 3 Shown is a schematic diagram of the detailed structure of the memory unit 21 of the radio frequency identification chip 10 of the present invention. The memory cell 21 includes a bottom electrode 31 , a ferroelectric polymer 32 formed on the bottom electrode 31 , and an upper electrode 33 formed on the ferroelectric polymer 32 .

[0028] see Figure 4 As shown, it is a flow chart of the manu...

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Abstract

The invention provides a printable full-polymer RF ID chip. The invention makes conducting macromolecule or nano-metal (gold or silver) ink into an electrode or a joint through mimeographing or printing and takes ferroelectric macromolecular polymer (vinylidene fluoride-trifluoroethylene) copolymer [P(VDF-TrFE)] as a dielectric medium to assemble a totally polymer-based information memory. A circuit of the information memory can be directly printed on a thin polymer film by using conducting material and an antenna is also mimeographed or printed with conducting ink, thus omitting the indispensable vacuum process and etching technique in conventional mineral transistor fabrication process and greatly simplifying assembling process. The invention is suitable for mass continuous production and can reduce production cost.

Description

technical field [0001] The invention relates to a radio frequency identification chip, in particular to a low-cost radio frequency identification chip with an improved memory chip. Background technique [0002] Radio Frequency Identification (RF-ID) is considered to be one of the most promising information technologies due to its wide application in logistics, retail, public transportation, production process management and military. Many countries and regions and international multinational companies are accelerating the development and application of radio frequency identification technology. [0003] Traditional radio frequency identification chips use silicon chips, and the information storage system of silicon chips stores data in circuits made of single crystal silicon, various metals, insulating materials, etc., and the circuits form a two-dimensional array on the silicon chip. Using photolithography technology, through many steps such as exposure and selective etchi...

Claims

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Application Information

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IPC IPC(8): H01L27/12G06K19/077
Inventor 徐海生
Owner 徐海生
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