Patent ID: 6141599
Filing Date: 2000-10-31
Classification: H01L,Y10T

Abstract:
A method for setting conveying data for a lead frame that has islands thereon arranged at a constant pitch, said method comprising:a first step in whichsaid lead frame is fed so that a first island on said lead frame is positioned at a bonding position,an arbitrary position on said first island is imaged by a television camera installed above said bonding position, an image of said arbitrary position of said first island is displayed on said television monitor, and then reference marks of a television monitor is aligned with said image of said arbitrary position, andan amount in which said lead frame has thus been fed is stored in a data memory; anda second step in whichsaid lead frame is fed so that a last island on said lead frame is positioned at said bonding position,an arbitrary position of said last island that corresponds to said arbitrary position of said first island is aligned with said reference marks of said television monitor, andan amount in which said lead frame has thus been fed is stored in said data memory.