Wafer planarization composition and method of use

Abrading – Machine – Rotary tool

Reexamination Certificate

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C438S692000, C156S345120

Reexamination Certificate

active

11287941

ABSTRACT:
A wafer polishing solution and method for polishing a wafer comprising an amino acid and calcium ions or barium ions. The wafer polishing solution can be adjusted to control cut rate and selectivity for modifying semiconductor wafers using a fixed abrasive CMP process.

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