Patent ID: 7757631

Claim:
An apparatus to fabricate a circuit, comprising: means for supplying a fluid, including materials for forming the circuit, the fluid including the materials stored and supplied by the means for supplying the fluid, wherein the fluid including the materials stored and supplied by the means for supplying fluid comprises electrically conductive metal nanoparticles; a print head to receive the fluid including the materials supplied by the means for supplying the fluid and to eject the fluid including the materials from the means for supplying fluid in a single ligament on a substrate to deposit the fluid including the materials onto the substrate in a pattern comprising at least a portion of the circuit; means for heating the fluid including the materials to evaporate the fluid and bond the materials to the substrate; and a controller to control the print head and the means for supplying the fluid to eject the fluid in the pattern, the controller to control the print head during the depositing of a continuous pattern to adjust the speed of the fluid ejection of each quantity of fluid from the print head such that a subsequently formed quantity of fluid merges with a previously formed quantity of fluid before contacting the substrate to form the single ligament.