SPI Silver Streaker™
More useful information
More useful information
The SPI # 05005-AB Silver Streaker is a highly concentrated
suspension (43% silver solids) of specially prepared and tightly
controlled high purity silver powder combined with a highly effective
organic suspending and binder system. The product is formulated to produce
electrically conductive circular areas about 3/4" (19 mm) or lines drawn of
that width over nonconductive and relatively flat smooth surfaces.
The product is also designed for strictly room temperature air drying
applications since for the most part, samples being mounted for SEM can not
tolerate higher temperatures.
The product is sufficiently versatile that it can be dried at elevated
temperatures as well, especially for those using the product in UHV
(e.g. ultra high vacuum) systems.
We are often times asked about drying "rate". Of course the real question
being asked is how long does one have to wait before inserting their
specimen into the column and vacuum system of their SEM. And, like
with so many other things, there is not an unambiguous answer. Drying
time is a function of the thickness of the layer applied, the temperaure of
the substrate, the temperature of the ambient air, porosity of the surface,
just to name a few factors.
The thinner SPI # 5004-AB was originally formulated for "thinning"
the SPI Silver Paints but this thinner can also be used to "thin down" the
SPI # 05005 Silver Streaker product. However, one has to use great
care in removing the top "pad" top of the product, and then once removed,
pouring in the required amount of thinner. This can be messy and should be
done only in a ventilated fume hood, and with suitable eye protection. Only
this recommended thinner should be used for optimum results.
Other potentially useful information about the SPI Silver Streaker
SPI # 05005-AB is as follows:
%Silver Solids: 43%
Cure temperatures: Room temperature
Sheet resistivity: <0.1 ohms/area/mil
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Tuesday December 02, 2008
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