Patent ID: 6905952

Claim:
A recovery processing method of an electrode comprising: a first step of placing a transfer plate having an irregular surface onto a connection surface of an electrode section formed on an insulation substrate of an electrode plate for the electric connection to a terminal section of a semiconductor device via said connection surface of said electrode section, so that said irregular surface of said transfer plate is brought into contact with said connection surface of said electrode section each other, wherein said transfer plate is formed of a material having the coefficient of linear expansion which is different from that of said insulation substrate of said electrode plate; a second step of heating said transfer plate and said electrode plate at a predetermined temperature for a predetermined period while pressing said transfer plate placed on the connection surface of said electrode section in said first step toward the connection surface of said electrode section at a predetermined pressure; and a third step of separating said transfer plate from said electrode plate to form a predetermined irregularity on the connection surface of said electrode section.