RoHS(The Restriction of the use of certain Hazardous Substances in electrical and electronic equipment)

It is regulation about limiting use of harmful substance that are required in manufacturing electric ·electronic product. Environment regulation activated by European Union restrict use of 6 specific harmful substance, Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chrome (Cr6+), PBBs(Polybrominated phenyls), and PBDEs(Polybrominated diphenyl ethers)) on electronic product. It has been in effect since July, 2006 to all products produced and imported within Europe, in order to reduce risk cause by WEEE (EU guideline on waste material of electronic product) for environment and human body.