发明授权
US06171436B2 Apparatus for removing slurry particles 失效
用于除去浆料颗粒的装置

Apparatus for removing slurry particles
摘要:
Disclosed is a method and apparatus for polishing a semiconductor wafer. This invention describes a novel in situ method for eliminating residual slurry and slurry abrasive particles on the wafer. A reactant is added to the slurry during the end of the Chemical Mechanical Polish (CMP) process to dissolve the slurry and etch the abrasive particles.
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