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CMP PAD

抛光垫用于半导体CMP

特征
- CMP(化学机械抛光),化学机械抛光:在晶片与抛光PAD表面接触的同时切片,同时使WAFER表面发生化学反应,并相互移动抛光头和抛光台技术用于机械平整不平坦部分WAFER

- 与WAFER直接接触的材料通常使用聚氨酯。

生产
- CMP Pad

控制点
• Polymer Chemistry
- Hardness
- Adrasion Resistance

• Fiber Sizes and Orientation
- Fiber Type
- Fiber Density
- Fiber Size
- Fiber Pattern

• Porosity Control
- Fiber : Polymer Ratio

• Boundary Location
- Porous : Solid Ratio