Patent ID: 8178925

Claim:
A semiconductor structure operation method, comprising: providing a semiconductor structure which includes a first doped semiconductor region, a second doped semiconductor region, a third doped semiconductor region, a fourth doped semiconductor region, and a fifth doped semiconductor region, wherein the second doped semiconductor region is in direct physical contact with the first and third doped semiconductor regions, wherein the fourth doped semiconductor region is in direct physical contact with the third and fifth doped semiconductor regions, wherein the first and second doped semiconductor regions are doped with a first doping polarity, wherein the third, fourth, and fifth doped semiconductor regions are doped with a second doping polarity which is opposite to the first doping polarity, wherein a first dopant concentration of the first doped semiconductor region is higher than a second dopant concentration of the second doped semiconductor region, and wherein a fifth dopant concentration of the fifth doped semiconductor region is higher than a fourth dopant concentration of the fourth doped semiconductor region; electrically coupling the first and fifth doped semiconductor regions to a first node and a second node of the provided semiconductor structure, respectively; and electrically charging the first node and the second node to a first electric potential and a second electric potential, respectively, wherein the first electric potential is different from the second electric potential.