Confirmed: D3200's sensor is Nikon

http://nikonrumors.com/2012/06/22/the-sensor-inside-the-d3200-is-made-by-nikon.aspx/

It is important, since it means Nikon has managed to develop sensor tech that competes with Sony's in all aspects. And it's behavior is also very linear, compared to the previous models like D3200:

That means the signal is basically just transformed to RAW without much manipulation, one of the reasons Sony's designs have been good in all aspects.
--
Renato.
http://www.flickr.com/photos/rhlpedrosa/
OnExposure member
http://www.onexposure.net/

Good shooting and good luck
(after Ed Murrow)