Dear Weider Tang, The helium gas sensor can be created based on the thermal conductometric gas sensor. However, if the gas medium with helium contains the gases with high thermal conductivity (hydrogen, heavy hydrogen, neon, methane), this sensor can not be used. With best personal regards Dr. A.G.Kozlov Institute of Sensor Microelectronics, Omsk, Russia ----- Original Message ----- From: 唐偉德To: Sent: Thursday, February 24, 2005 11:02 AM Subject: [mems-talk] Helium gas sensor ...? > Dear all, > > Does anyone know the working principle of helium gas sensor ? > Or inform me the related paper about this sensor. > Thank you a lot. > > Weider Tang > National Tsing Hua Univ. Taiwan > _______________________________________________ > MEMS-talk@memsnet.org mailing list: to unsubscribe or change your list > options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk > Hosted by the MEMS Exchange, providers of MEMS processing services. > Visit us at http://www.memsnet.org/ > >