Sony Applies for Another Layered Sensor Patent

SonyAlpha Rumors noticed yet another Sony patent application talking about a Foveon-like layered sensor, the US20130009263. The main proposal is to add photoelectron dumping regions 24-1 in between the photodiodes 23B, 23G, 23R:

The charge dumping or "discharge" regions are said to improve the color separation:

Thanks to AA for the pointer!