Patent ID: 6493928
Filing Date: 2002-12-17
Classification: H05K,Y02P,Y10T

Abstract:
An apparatus for manufacturing an electronic unit from a printed-circuit board having opposing first and second sides and a plurality of holes, said apparatus comprising:a cream solder printer for printing a first amount of cream solder on the first side of the printed-circuit board; a chip placement machine operatively associated with said cream solder printer, said chip placement machine having means for placing a plane-mounted part on the printed-circuit board on which the first amount of cream solder is printed; a first reflow furnace operatively associated with said chip placement machine, said first reflow furnace having means for fixedly securing the plane-mounted part to the printed-circuit board; a solder application machine operatively associated with said first reflow furnace, said solder application machine having means for applying a second amount of cream solder on the first side of the printed-circuit board after the first amount of cream solder has been printed by said cream solder printer, said solder application machine including an imprint plate with a hole for holding the second amount of cream solder, with said second amount of cream solder being greater than the first amount of cream solder printed by said cream solder printer, said second amount of cream solder held in said hole of said imprint plate being applied in a vicinity of the holes in the printed-circuit board; a deformed part insertion machine operatively associated with said solder application machine, said deformed part insertion machine having means for inserting pins of a deformed part into the holes of the printed-circuit board from the second side of the printed-circuit board; and a second reflow furnace operatively associated with said deformed part insertion machine, said second reflow furnace having means for reflow soldering the second amount of cream solder, thereby fixedly securing the pins of the deformed part to the printed-circuit board.