anyone know what is this?

[gdphk]

http://bbs.gzeasy.com/index.php?showtopic=425265

本贴内容及图片，禁止mydirvers及unika的P2MM/P兔毛毛（孙悦秋）以任何方式转载，请自重...

http://photo.gznet.com/photos/1473839/1473839-pcmHOFJjEZ.jpg

:D

[msxyz]

It looks like the rear of a flip-chip package.

But someone has painted over the image of a die ? :confused: