The "smart" diaper moisture detection system

Johan Sidén, Andrei Koptioug, Mikael Gulliksson

Research output: Contribution to journalConference articlepeer-review

31 Citations (Scopus)


Smart Diaper Moisture Detection System described is a paper-based disposable moisture-activated RFID system that could be incorporated into the traditional cellulose-based diaper. The tag is semi-passive in the sense that it has no internal battery but incorporates a built-in energy conversion sensor (Action- Activated Tag). The tag with sensor unit is optimized for low-cost manufacturing, utilizes screen-printing with electrically conductive ink on paper-based substrates and inherits very low EM radiation. A discussion on the manufacturability and cost efficiency of the system is presented. A prototype system is shown and other possible application areas of the system are mentioned.

Original languageEnglish
Pages (from-to)659-662
Number of pages4
JournalIEEE MTT-S International Microwave Symposium Digest
Publication statusPublished - 2004
Externally publishedYes
Event2004 IEEE MITT-S International Microwave Symposium Digest - Fort Worth, TX, United States
Duration: 6 Jun 200411 Jun 2004


  • Biomedical transducers
  • Bipolar transistor oscillators
  • Medical services
  • Moisture transducers
  • Printed circuits

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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