Patent ID: 6555165
Filing Date: 2003-04-29
Classification: C23C

Abstract:
A method for forming a thin film, comprising the steps of:forming a first thin film from a raw material which comprises an adduct of metal &bgr;-diketonate and adduct-forming material by a metal organic chemical vapor deposition (MOCVD) method; associating metal &bgr;-diketonate dissociated from the adduct in the raw material with an adduct-forming material to regenerate the raw material; and forming a second thin film using the regenerated raw material by the MOCVD method; wherein the metal &bgr;-diketonate is a metal dipivaloyl methanate, the adduct-forming material comprises tetraethylenepentamine, and the associating step comprises the step of contacting a vapor of the adduct-forming material with a liquid of the residual raw material from the first thin film formation.