Laser welding characterization of Kovar and stainless steel alloys as suitable materials for components of photonic devices packaging / by Mohamed M. A. Fadhali, author, Zainal J., author, Yusof Munajat, author, Jalil Ali, 1959-, author, Rosly Abdul Rahman, author, International Conference on Advancement of Materials and Nanotechnology (2007 : Langkawi, Kedah)