Invention Grant
US08728283B2 Process for forming a film, piezoelectric film, piezoelectric device, and liquid discharge apparatus 有权
用于形成膜,压电膜,压电装置和液体排出装置的方法

Process for forming a film, piezoelectric film, piezoelectric device, and liquid discharge apparatus
Abstract:
Film formation conditions are determined in accordance with relationships among a film formation temperature Ts (° C.), a difference Vs−Vf (V), which is the difference between a plasma potential Vs (V) in the plasma at the time of the film formation and a floating potential Vf (V), and characteristics of the formed film. For a piezoelectric film containing at least one kind of Pb-containing perovskite type oxide, the film formation conditions should preferably be determined within a range such that Formulas (1) and (2) shown below are satisfied: Ts(° C.)≧400  (1) −0.2Ts+100
Information query
Patent Agency Ranking
0/0