A company named Valpey-Fisher (http://www.valpeyfisher.com/) makes some
custom transducers for us.  Channel Industries may be cheaper.

Sherpa Doug

> -----Original Message-----
> From: Gabriel Caffese [mailto:gabrielsdi@IMPSAT1.COM.AR]
> Sent: Monday, July 16, 2001 6:14 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: Ultrasound/Cavitation transductor for nebulizer
>=20
>=20
> The problem is where to get the transducer. I don=B4t know who=20
> manufactures
> something like this! (couldn=B4t find in the internet).
>=20
> Thanks.-
>=20
> ----- Original Message -----
> From: Douglas Butler <dbutler@IMETRIX.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Monday, July 16, 2001 9:45 AM
> Subject: Re: [EE]: Ultrasound/Cavitation transductor for nebulizer
>=20
>=20
> > You want a spherically focused transducer.  Fishfinder and=20
> rangefinder
> > transducers will not work.  Get a cheap ultrasonic=20
> humidifier and look
> > at how they focus the untrasonic energy at the water=20
> surface.  This can
> > be done with a cup shaped piezo element, or a cheaper way for small
> > quantities is to use a lens.  An epoxy lens used with water would be
> > thin in the middle and thick at the edges.
> >
> > Sherpa Doug
> >
> > > -----Original Message-----
> > > From: Gabriel Caffese [mailto:gabrielsdi@IMPSAT1.COM.AR]
> > > Sent: Sunday, July 15, 2001 9:42 PM
> > > To: PICLIST@MITVMA.MIT.EDU
> > > Subject: [EE]: Ultrasound/Cavitation transductor for nebulizer
> > >
> > >
> > > Hi everyone,
> > >
> > >     I am looking for an ultrasound piezoelectric transducer,
> > > wich (with the help of a PIC) will be used on a nebulizer,
> > > using the cavitation priciple.
> > >    Here goes the question:
> > >
> > >      Does anynoe know about a company wich may manufacture
> > > this kind of transductors ??
> > >
> > >
> > >    Thanks to all.-
> > >        Gabriel.-
> > >
> > > --
> > > http://www.piclist.com hint: PICList Posts must start=20
> with ONE topic:
> > > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other=20
> [BUY]:,[AD]: ->Ads
> > >
> > >
> >
> > --
> > http://www.piclist.com hint: PICList Posts must start with=20
> ONE topic:
> > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other=20
> [BUY]:,[AD]: ->Ads
> >
> >
>=20
> --
> http://www.piclist.com hint: PICList Posts must start with ONE topic:
> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads
>=20
>=20

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads