Chen Jin
Hanxin () was an notorious Chinese academic fraudulence case, committed in the name of a digital signal processing (DSP) microchip. Chen Jin, a professor at Shanghai Jiao Tong University claimed to have developed the chip in 2003. The Hanxin 1 was reportedly the first DSP chip to have been wholly developed in China. However, the chip was later revealed to have been developed in the West, with the original identifications sandpapered away.