Patent ID: 7802516

Claim:
A screen printing device configured to print a printing paste on a printed board, the printing paste being applied on a screen printing plate where openings corresponding to a pattern to be printed are formed, the screen printing device comprising: a first squeegee advanced and pressed downward so that the printing paste is pushed on the printed board corresponding to the openings of the screen printing plate; and a second squeegee situated in the vicinity of the rear of the first squeegee, the second squeegee having a length greater than a length of the first squeegee, the second squeegee being more flexible than the first squeegee, the second squeegee being configured to provide pressure forward and downward, the pressure having properties different from properties of a pressure provided by the first squeegee, wherein a printing operation by the second squeegee is performed right after a printing operation by the first squeegee; and a downward printing pressure of the second squeegee is a value in the range of one fifth through one tenth of a downward printing pressure of the first squeegee.