Special Materials

Senyo Dogbe senyod at gmail.com
Tue Nov 25 13:33:56 PST 2008

Dear Sir/Madam,
I would like to seek permission to use a non-standard chemical for future
work in device processing at SNF.
The information below and the attached MSDS provide more information about
the Chemical.

Chemical Name - Techni-Gold 434 HS  (for electroplating).

MSDS - Attached.

Equipment - GaAs wet bench.

Procedure - Beaker (labuser to provide own beaker) with leads attached to DC
regulated power supply. Beaker to be placed on hot plate at 50C. Plating
Chemical will be lightly stirred with a stir bar.

Power Supply -BK Precision DC regulated power supply. Model #1670A. Max
current for electroplating will be at 5mA ( a couple of volts  from DC power
source required for this process).

Waste Disposal - Lab user intends to use waste collection bottle to catch
the rinse water so that waste water does not go into AWN system. The used
434 chemical will be stored in a labelled waste bottle.


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