Single-Chip Passive UHF RFID Tags and Readers

 

Department of Electrical & Electronic Engineering

Project Goal

The aim of this part of the project is the radio frequency identification (RFID) tag's packaging and assembly. Different packaging techniques for connecting the RFID chip to the antenna will be developed and evaluated. The long-term mechanical and electrical reliability will be investigated.

 

Project Description

In this project, the advanced chip-on-board or chip-on-flex technology will be developed to package the RFID chip with the antenna and the substrate. Three different implementations will be investigated, including wire-bonding, solder-bumping and anisotropic conductive adhesive or film. Besides process development, the reliability issue of chip-on-board RFID packaging will be addressed. Reliability tests will be performed to evaluate the reliability performance of these packaging methods.

 

Faculty

Prof. Philip Ching-Ho CHAN ( �� �� �� )

Prof. Matthew Yuen ( �K �� �� )

 

Research Assistant

Bo GAO ( �� �� )

Jingfeng GONG ( �� �l �p )

Kit Ying WONG

 

Tracking Record and Accomplishment

Stage

Milestone

Status

Phase I

Analysis and characterization of commercial RFID tag packaging and assembly

 

Accomplished

Phase II

Development of chip-on-board using

bondwire

Accomplished

Phase III

Antenna printing on flexible substrate using paste screen-printing

Undergoing

Phase IV

Bumping of RFID tag chips; Assembly of RFID chip and antenna using flip-chip on flex technology

 

Phase V

Development of lamination assembly process, Encapsulation of RFID tag chips for chip protection

 

Phase VI

Mechanical and electrical reliability characterization