Black wax for KOH etching

[Paul Jerabek]

 I have a piece of the black wax you are looking for. If you want it it's
all yours. I am in CIS#142.
-Paul

On Thu, 7 Apr 2005, Jun Zheng wrote:

> Hi, Everyone:
>  
>             I used to see people using black wax for protection during
> KOH etching at 80C. Does anyone know the vendor and part number of this
> black wax. If you know more detail, please let me know.
>  
>             Thanks! 
>  
> Jun Zheng
> Senior MEMS Engineer
> RheoSense Inc.
> (925)866-3802
>  
>