There is a company called silicet AG in Germany which sell handling tools for
front side wafer protecting in KOH. See www.silicet.de

__________________________________________
Dr.H.Kretschmer
S
Dept. CT MM 5
Corporate Technology, Micromechanics and Coating Technologies
Zentralabteilung Technik, Mikromechanik und Oberflächentechnik
D-13629 Berlin

Phone: +49 30 386 24681
Fax:     +49 30 386 25764
email: mailto: [email protected]
_________________________________________________