Patent ID: 6852139

Claim:
A process for producing a solid electrolyte thin film comprising the steps of: (a) providing a plasma source coupled to a supply of plasma gas so as to emit a plasma stream that is directed to a substrate positioned adjacent the plasma source; (b) vaporizing a volatile lithium containing precursor; (c) vaporizing a volatile phosphate containing precursor; (d) transporting the vaporized volatile lithium containing precursor to the plasma source; (e) transporting the vaporized volatile phosphate containing precursor to the plasma source; and (f) expelling the vaporized volatile lithium containing precursor and vaporized volatile phosphate containing precursor from the plasma source and into the plasma stream emitted from the plasma source, whereby the volatile lithium containing precursor and volatile phosphate containing precursor are prevented from mixing with the plasma gas prior to the gas being expelled from the plasma source as a plasma stream.