Phase control using open-stubs for programmable SAW-based RFIDs

Jaekwon Kim, Dohyung Kim, Jinwook Burm, Kihun Chang, Young Joong Yoon

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


SAW (surface acoustic wave) tags are for passive RFID (radio frequency identification) systems. To overcome the drawbacks of current SAW RFIDs, which cannot be programmed after fabrication, we propose a technique to make the SAW ID tag programmable even after manufacturing. Control of the reflector bus-bar stub was used to change the phase of the reflected signals. The length of the bus-bar stub can be modified by line cutting using lasers and/or by connecting two lines by using conductive ink. The proposed SAW ID tag programs data and increases data capability.

Original languageEnglish
Pages (from-to)831-834
Number of pages4
JournalJournal of the Korean Physical Society
Issue number2
Publication statusPublished - 2008 Aug

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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