Patent ID: 7070654

Claim:
A screen printing apparatus, which moves a squeeze head on a mask plate thereby to print paste on a substrate through a pattern hole of a mask plate, comprising: a horizontally moving unit that moves said squeeze head to the mask plate horizontally; a lift unit that lifts and lowers said squeeze head in relation to the mask plate; a press unit that presses the squeeze head on the mask plate; and said squeeze head comprising: a printing part coupled to said press unit; a paste storing part that is provided for said printing part and stores paste therein; a paste pressing part that pressurizing the paste in said paste storing part; a print space that houses the pressurized paste therein and brings the paste into contact with a surface of the mask plate; two squeezing members that form front and back walls in the squeezing direction of said print space, and come into contact with the surface of the mask plate at their lower ends; and a hollow heat regulating member that is provided in said print space in the horizontal direction orthogonal to the squeezing direction, wherein a heat regulating medium is caused to flow inside said heat regulating member by a heat regulating unit, whereby the paste in said print space is kept at an appropriate temperature.