Patent ID: 9199303
Filing Date: 2015-12-01
Classification: B22D,C23C,H01L

Abstract:
1. Apparatus for filling a molten metal into a minute space formed on a surface of an object to be processed, the minute space having an opening on said surface, the molten metal being supplied onto the object to be processed, the metal filling apparatus comprising: the cylindrical member and the holder being brought into contact with each other in an unengaged manner or being caused to hold the object to be processed between them by driving the second actuator to move the cylindrical member and the holder relative to one another, so as to form an airtight processing chamber, the airtight processing chamber being formed by the object to be processed held by the holder or the holder, the cylindrical member and the piston, the metal filling apparatus further comprising: the first actuator being configured to move the piston in the forward and backward direction with respect to the object to be processed held by the holder, and when moving the piston forward, move the piston forward until the piston is brought into contact with the object to be processed, and the capacity of the processing chamber being changed in accordance with the position of the piston in the forward and backward direction.