The phrase "small microchip" refers to a very tiny electronic component that is able to store and process information.
Sentences with «small microchip»
There has been a trend towards very small microchips in the animal sheltering and veterinary world. (lostdogsofamerica.org)
On the more complex side, radio - frequency identification (RF - ID) tags are like small microchips and come in two flavors: organic and silicon. (sciencemag.org)