Development of microseparation column for ball surface acoustic wave gas chromatograph

Shingo Akao, Naoya Iwata, Masanori Sakuma, Hidekazu Ohnishi, Kazuhiro Noguchi, Toshihiro Tsuji, Noritaka Nakaso, Kazushi Yamanaka

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


For the safety and security of a society, ubiquitous multiple-gas sensors are required. The gas chromatograph (GC) based on the separation of gases according to the elution time is frequently used for multiple-gas sensing, but it is not portable. In this situation, we have developed a ball surface acoustic wave (SAW) sensor, where SAW on a sphere with a specific width is naturally collimated and makes multiple roundtrips without diffusing by diffraction. In this study, in order to develop a portable GC, we developed a gas separation column using micro-electro-mechanical-system (MEMS) technology and evaluated it, combining it with a ball SAW sensor.

Original languageEnglish
Pages (from-to)4086-4090
Number of pages5
JournalJapanese journal of applied physics
Issue number5 PART 2
Publication statusPublished - 2008 May 23
Externally publishedYes


  • Ball SAW
  • MEMS
  • Multiple-gas sensor
  • Separation column
  • gas chromatography

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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