Method of providing electrically conductive substrate through-holes

摘要: THIS DISCLOSURE TEACHES SPECIFICALLY THE METHOD OF METALLIZING A SUBSTRATE OR DIELECTRIC THROUGH-HOLE BY DIRECTING LASER BEAM AN ELECTRON ON SUPPLY METAL TO VAPORIZE AND VAPOR DEPOSIT WALLS SUBSTRAE THROUGH-HOLE. ALSO DRILLING WITH AS STATED ABOVE. FURTHER, PLACING OVER SUB STRATE THROUGHHOLE ENGAGING METL FLOW MELTED THROUGH IN ADDITION, PRESENT FILLING GRANULES, GRANULES