The CRC handbook of metal etchants has a number of different etchants
listed for tin and tin dioxide. Some of them are two stage solutions. If
you can get your hands on this book, it will probably be quite helpful.

Here:

CRC handbook of metal etchants / editors, Perrin Walker, William H. Tarn.

Title: CRC handbook of metal etchants / editors, Perrin Walker, William H.
Tarn.
Publication Information: Boca Raton : CRC Press, c1991.
Description: 1415 p. ; 27 cm.
Subject(s): Etching reagents--Handbooks, manuals, etc.


--------------------------------------------------------------------------------


Library: Auburn University Libraries
Location: Auburn RBD Library (4th Floor)

Call Number: TN 690.7 .C73 1991
Status: Not Checked Out


Jesse Fowler
  UCLA/MAE Dept., 420 Westwood Plaza, Room 37-129, ENGR IV
  Los Angeles, CA 90095-1597 | (310)825-3977
"Facts are stubborn, but statistics are more pliable."
   -- Mark Twain

On Thu, 6 Nov 2003, rakesh babu wrote:

> dear sir,
>
>  Tin and Tin oxide are difficult to etch using wet etchant and the only wet
etchant found to etch it is Hydrobromic acid.
>
> best regards
> Rakesh
> Graduate Research Assistant
> ECE  Department
> Wayne state University
>
> Robert Dean  wrote:
> Hello,
>
> Can someone recommend a wet etchant for Sn and Sn oxide that does not etch
> Si, Ni or Ti?
>
> Thanks!
>
> Sincerely,
>
> Robert Dean
>
> Research Associate IV
> Center for Advanced Vehicle Electronics
> Auburn University
> 200 Broun Hall
> Auburn, AL 36849
>
> Voice: 334-844-1838
> Fax: 334-844-1898
> Email: [email protected]
> Web: http://www.eng.auburn.edu/~deanron
>
>
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