Patent ID: 7243420
Filing Date: 2007-07-17
Classification: H01L,Y10T

Abstract:
1. An electronic component mounting method executed by an electronic component mounting apparatus comprising: a mounting head for picking up an electronic component of an electronic component supplying unit to hold the picked electronic component, and for mounting said held electronic component on an electronic component mounting position of a board held by a board holding unit; a mounting head transporting mechanism for transporting said mounting head between said electronic component supplying unit and said board holding unit; a first camera for taking an image of the board held by said board holding unit; a first camera transporting mechanism for transporting said first camera over at least said board holding unit; a first recognition processing unit for processing an image taken by said first camera so as to acquire an actual position of said electronic component mounting position of the board held by said board holding unit; a second camera for taking an image of the electronic component of said electronic component supplying unit; a second camera transporting mechanism for transporting said second camera over at least said electronic component supplying unit; a second recognition processing unit for processing an image of said second camera so as to acquire a position of the electronic component of said electronic component supplying unit; said electronic mounting method comprising: a first step in which said second camera is transported to said electronic component supplying unit by said second camera transporting mechanism to take an image of an electronic component, and thereafter said second camera is evacuated from an upper area of said electronic component by said second camera transporting mechanism; a second step in which an image taken by said second camera is processed by said second recognition processing unit so as to acquire a position of said electronic component; a third step in which while said mounting head transporting mechanism executes a positioning operation for positioning said mounting head to said electronic component based upon the position of the electronic component acquired by said second recognition processing unit, said electronic component is picked up by said mounting head; a fourth step in which said first camera is transported by said first camera transporting mechanism over a board held by said board holding unit so as to take an image of said board by said first camera, and thereafter said first camera is evacuated from an upper area of said board by said first camera transporting mechanism; a fifth step in which the image taken by said first camera is processed by said first recognition processing unit so as to acquire an actual position of said electronic component mounting position of the board; and a sixth step in which while said mounting head transporting mechanism executes a positioning operation for positioning said mounting head to said electronic component mounting position based upon the actual position of said electronic component mounting position acquired by said first recognition processing unit, the electronic component held by said mounting head is mounted on said electronic component mounting position; wherein while said electronic component held by the mounting head is mounted on said electronic component mounting position, said second camera is again transported over said electronic component supporting unit so as to take an image of an electronic component which is subsequently picked up by said mounting head.