A DUAL DAMASCENE HARD METAL CAPPED CU AND AL-ALLOY FOR INTERCONNECT WIRING OF ULSI CIRCUITSH. DalaiR.V. Joshiet al.1993IEDM 1993
A Highly Reliable Low Temperature Al-Cu Line/Via Metallization for Sub-Half Micrometer CMOSR.V. JoshiH. Dalaiet al.1995IEEE Electron Device Letters