Hewlett-Packard has received US Patent No. 7,651,665, "Microtray for handling biosubstances." The patent claims a microtray for handling biosubstances composed of a fluid-holding structure and a fluid-ejection structure. The fluid-holding structure includes an array of wells with each well configured to contain at least one biosubstance, according to the patent. The fluid-ejection structure is in communication with the fluid-holding structure and is configured to dispense the biosubstance onto a target media.