http://dc.watch.impress.co.jp/docs/news/interview/20120326_519765.html
(An interview in Japanese)
It seems that there are still quite some spare spaces inside the body and further minimization should be possible. Besides, the inside of the K-r is also compared. Finally, it can be seen that the Static RAM chip used is from Hynix, a South Korea semiconductor company, but not from Samsung, which
