Patent ID: 6688016
Filing Date: 2004-02-10
Classification: H05K

Abstract:
An electric-component mounting system comprising:a substrate holding device operable to hold a circuit substrate; a component supplying device operable to supply an electric component; a component mounting device including a suction nozzle to hold the electric component by suction under a negative pressure, said component mounting device being operable to receive at said suction nozzle the electric component from said component supplying device, and to mount the electric component on said circuit substrate; an image-taking device operable to obtain image data for obtaining relative positioning errors between said circuit substrate and said electric component as held by said suction nozzle, said relative positioning errors including a relative angular positioning error between said circuit substrate and said electric component as held by said suction nozzle; a first member which holds said image-taking device; a second member which holds said first member such that said first member is rotatable about an axis of said image-taking device; and a rotating mechanism associated with said first and second members, and operable to rotate said first member relative to said second member about said axis, and wherein said second member has an arcuate guiding surface formed to extend along an arc of a circle having a center at said axis of said image-taking device, said arc having a center angle smaller than 180Â°, and said first member has a guided surface for sliding contact with said arcuate guiding surface to guide a rotary movement of said first member by said rotating mechanism relative to said second member, for rotating said image-taking about said axis.