-Singapore Asahi develops Lead-free Solder Products
   Singapore Investment News Dec 2001

- Singapore Asahi's Lead-free solder
   Nikkei-Sangyou-Shimbun 8 Jan 2002

- Singapore Asahi developed Low Temp Lead-free Solder for Green Environment
   JETRO 18 Oct 2002

- Hitachi Group - RoHS Directive banning 6 chemical substances for EU by end 2004
   Denpa Shinbun 2 Dec 2003 [View Original Press Report]

- Toxic Substances directive by EU
   Nikkei Sangyo Shinbun 2 Dec 2003 [View Original Press Report]

- Reasons Why Hitachi Adopting Low Temperature Type of lead Free Alloy
   Nikkei Shinbun, 9 Oct 2004 and reported in SMT China news