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US 2007/0163618 A1Published application
Cleaning solution for silicon surface and methods of fabricating semiconductor device using the same
AssigneeSamsung Electronics Co., Ltd.
InventorsSang-Yong Kim, Chang-Ki Hong, Woo-Gwan Shim
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Abstract
There are provided a cleaning solution for a silicon surface containing a buffer solution including acetic acid (CH3COOH) and ammonium acetate (CH3COONH4), iodine oxidizer, hydrofluoric acid (HF), and water. In a method for fabricating a semiconductor device, a silicon substrate may have an exposed silicon surface, which may be cleaned using a cleaning solution that contains a buffer solution including acetic acid and ammonium acetate, iodine oxidizer, hydrofluoric acid, and water.
Claims20
A cleaning solution for a silicon surface comprising:
- a buffer solution including acetic acid and ammonium acetate, iodine oxidizer, hydrofluoric acid, and water.
Dependencies are inferred from the claim text.