Patent ID: 7836824

Claim:
A screen-printing method in which a circuit board transferred below a screen mask is raised to be retained in contact with an underside of the screen mask, and a squeegee brought into contact with an upper surface of the screen mask is moved so that the circuit board is screen-printed, the method comprising: raising a previously printed circuit board (hereinafter referred to as “printed board”) thereby to bring the printed board into contact with the underside of the screen mask when the printed board is to be screen-printed again so that a print pattern is formed so as to overlap a previous print pattern, wherein a raising speed of the printed board at a final stage of the printed board raising operation is rendered lower than in the previous screen printing so that the printed board is brought into contact with the underside of the screen mask more slowly, wherein a mask support plate located at a side of the printed board is raised thereby to be brought into contact with the underside of the screen mask before the printed board is brought into contact with the underside of the screen mask and subsequently, the printed board is raised to be brought into contact with the underside of the screen mask, and the squeegee is brought into contact with the upper surface of the screen mask so that the screen mask is held between the squeegee and the mask support plate.