就2003年欧盟所公布的RoHS(Restriction of Hazardous Substance;有害物质管制指令)与WEEE(Waste Electrical and Electronic Equipment;废电子电机设备管制指令)而言,虽然有效区域仅限于欧盟的会员国,然而这一项对环境责任的宣示,确实对全球的电子电机产业投下了一枚未爆弹。
By definition, an IC can be broken into multiple homogeneous material subparts. Normally, chemlcal labs are not able to break a chip into subparts (by homogeneous material). Some manufacturers will not do subparts.