Process for producing a graduated coating of calcium phosphate phases and metallic oxide phases on metal implants

(57) By the method of coating to titanium or the metal implant made from a titanium alloy, slope covering of a summary calcium phosphate phase and a metal oxide phase is used for the object for dentistries, the object for jawbones, or the implant for joints. Using calcium ion and a phosphate ion as an electrolyte, PH value does not have weak acidity and is neutralized mostly. A base material electrode -- alternation -- the negative pole (化) -- and anode (化) processing is carried out. 析着層 has a slope, adhesion is size, and has a detailed structure, and has high biocompatibility.