Patent ID: 6935232

Claim:
A screen printing method for printing a printing paste on a board supported by a support base via a screen supported by a screen table section by means of a printing head section, comprising: positioning the board on the support base in a specified position by supporting and positioning the board on the support base with the support base with the board loaded moved up and down with respect to a movable frame capable of moved up and down with respect to a table section, moving up the movable frame with respect to the table section roughly in synchronization with these operations, and horizontally moving the table section in a direction roughly perpendicular to a board loading and unloading direction; making a recognition camera recognize a reference position mark preparatorily given to the board in accordance with a horizontal movement of the recognition camera in the board loading and unloading direction and a horizontal movement of the table section in a direction roughly perpendicular to the board loading and unloading direction; and performing relative positional alignment of the board with the screen by horizontally moving the table section in a direction roughly perpendicular to the board loading and unloading direction on a basis of a position of the reference position mark recognized by the recognition camera, moving the screen table section that supports the screen in the board loading and unloading direction, and rotating the screen table section within a horizontal plane roughly parallel to the board on the support base.