LASER DRILLING DEVICE WITH AUTOMATIC MEASUREMENT CORRECTION FUNCTION FOR MANUFACTURING WIRING BOARD AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD BY USING THE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a laser drilling device and a method for manufacturing a printed wiring board with which device and method the printed wiring board is made high density, multilayer and the size of the board is made larger. SOLUTION: A distance is measured with an automatic distance measurement means fitted in the vicinity of a lens, or successively read out of a database, a holder jig of the lens is driven in z-direction on the basis of the corrected value, the focal position of the lens is located at the position of the surface (F2) of the insulation resin layer 5 of the work sheet and the insulation resin layer 5 is drilled.