就2003年歐盟所公佈的 RoHS(Restriction of Hazardous Substance;有害物質管制指令)與 WEEE(Waste Electrical and Electronic Equipment;廢電子電機設備管制指令)而言,雖然有效區域僅限於歐盟的會員國,然而這一項對環境責任的宣示,確實對全球的電子電機產業投下了一枚未爆彈。
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.