Luis,

See my homepage http://ndeaa.jpl.nasa.gov under the category Advanced
Actuators.

Yosi

At 11:13 AM 5/1/98 PDT, you wrote:
>Hello,
>
>My name is Luis Ferreira, and I am a Portuguese student of Electronic
>engineering.Now, I am working in a project, and I need some information
>about actuators and solenoids, such as:
>- Types of actuators (magnetostrictive, electromagnetic, piezoelectric)
>- Their advantages, limitations and potential future use.
>-Explications about the piezoelectric, magnetostritive,shape memory
>fenomeon.
>
>Can you help me?
>
>               With my best greetings,
>
>                            Luis Ferreira
>
>P.S. My e-mail is:
>                       Lferreira60 @ hotmail.com
>And my Adress:
>                       Rua da Fabrica 22º 5º/E
>                       4710 Braga,
>                       Portugal
>
>______________________________________________________
>Get Your Private, Free Email at http://www.hotmail.com
>
>