公开(公告)号：US06346418B1

公开(公告)日：2002-02-12

申请号：US09388929

申请日：1999-09-02

Applicant: Hui-An Chang ,  Bor-Jen Cheng ,  Yu-Chuan Lin

Inventor： Hui-An Chang ,  Bor-Jen Cheng ,  Yu-Chuan Lin

IPC: G01N3320

CPC classification number: G03F7/00 ,  G01N1/40 ,  G01N1/44 ,  Y10T436/24 ,  Y10T436/25 ,  Y10T436/25125

Abstract: A method for evaluating ratios of metallic impurities in lithographic materials is disclosed. The method comprises: separating said metal from said lithographic material by microwave heating; then adding said metal to an acid to form a solution; and finally analyzing said solution by a instrument to measure ratio of said metal.

Abstract translation: 公开了评估平版印刷材料中金属杂质比的方法。 该方法包括：通过微波加热从所述平版印刷材料中分离所述金属; 然后将所述金属加入到酸中以形成溶液; 最后通过仪器分析所述溶液以测量所述金属的比例。