I find semi-friendly ones easier to work with.
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Giamis, Andy
Sent: Thursday, March 21, 2013 7:57 AM
To: [log in to unmask]
Subject: Re: [TN] SAC 305 etch

To see Sn grain boundaries , don't etch.  Use cross-polarizers.



-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of [log in to unmask]
Sent: Thursday, March 21, 2013 10:53 AM
To: [log in to unmask]
Subject: [TN] SAC 305 etch

What would a good etch be for etching SAC305 solder joints to enhance viewing grain boundaries?

Thanks,
John

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