Patent ID: 9366967
Filing Date: 2016-06-14
CPC Classification: G03F,H05G

Claim Text:
1. A radiation source suitable for providing a beam of radiation to an illuminator of a lithographic apparatus, the radiation source comprising: a nozzle configured to direct a stream of fuel droplets along a trajectory towards a plasma formation location; and the radiation source being configured to receive a first amount of radiation such that the first amount of radiation is incident on a fuel droplet at the plasma formation location, and such that the first amount of radiation transfers energy into the fuel droplet to generate a modified fuel distribution, the modified fuel distribution having a surface; the radiation source being configured to receive a second amount of radiation such that the second amount of radiation is incident on a portion of the surface of the modified fuel distribution, wherein the radiation source further comprising a collector configured to collect and direct at least a portion of the third amount of radiation.