Patent ID: 8162435

Claim:
A liquid droplet jetting apparatus which jets a droplet of a liquid onto an object, the liquid droplet jetting apparatus comprising: a first head in which first nozzles are formed, the first head including a plurality of layers; a second head in which second nozzles are formed, each of the second nozzles having a nozzle diameter greater than that of one of the first nozzles, the second head including a plurality of layers; a liquid tank which stores the liquid to be supplied to the first head and the second head; and a plurality of tubes which connect the layers of the first head, the layers of the second head, and the liquid storage container respectively; wherein the first head is connected to one end of a first tube of the tubes and the liquid tank is connected to the other end of the first tube; and wherein at least one layer of the second head is connected to at least one layer of the first head by a second tube of the tubes, and the second head is connected to the liquid tank via the at least one layer of the first head.