Taiwan Semiconductor Manufacturing Comp. Ltd.

Fei-Fan Chen

Chien Kuo Huang

Chia-I Shen

Joung-Wei Liou

Shih-Wen Huang

Wen-Sheng Wu

Hua-Sheng Chiu

A method of wafer processing includes supporting a wafer in a process chamber. The method further includes introducing a flow of a gaseous material through an inlet of the process chamber to process the wafer. The method further includes generating, between the inlet and the wafer, controllable forces acting in various directions on the gaseous material to spread the gaseous material inside the process chamber.

Wafer processing method

A wafer process chamber includes a wafer support in the wafer process chamber, the wafer support configured to support a wafer. The process chamber includes a gas diffuser unit within the wafer process chamber. The gas diffuser unit includes at least one controllable diffuser configured to generate one or more controllable forces acting in various directions on a gaseous material in a flow of the gaseous material introduced into the process chamber, to spread the gaseous material inside the process chamber. The gas diffuser unit includes a power source coupled to the at least one controllable diffuser, the power source configured to supply power to the at least one controllable diffuser to generate the one or more controllable forces. The gas diffuser unit includes a controller coupled to the power source, the controller configured to control the power supplied by the power source to the at least one controllable diffuser.

Process chamber and wafer processing method

A system and method for generating and using plasma is provided. An embodiment comprises a plasma generating unit that comprises beta-phase aluminum oxide. A precursor material is introduced to the plasma generating unit and a plasma is induced from the precursor material. The plasma may be used to deposit or etch materials on a semiconductor substrate.

Remote plasma system and method

A gas diffuser unit for a process chamber includes at least one controllable diffuser, a power source, and a controller. The at least one controllable diffuser is configured to generate controllable forces acting in various directions on a gaseous material in a flow of the gaseous material introduced into the process chamber, to spread the gaseous material inside the process chamber. The power source is coupled to the at least one controllable diffuser, and configured to supply power to the at least one controllable diffuser to generate the controllable forces. The controller is coupled to the power source and configured to control the power supplied by the power source to the at least one controllable diffuser.

Gas diffuser unit, process chamber and wafer processing method

A first embodiment is a method for semiconductor processing. The method comprises forming a component on a wafer in a chamber; determining a non-uniformity of the plasma in the chamber, the determining being based at least in part on the component on the wafer; and providing a material on a surface of the chamber corresponding to the non-uniformity. The forming the component includes using a plasma. The material can have various shapes, compositions, thicknesses, and/or placements on the surface of the chamber. Other embodiments include a chamber having a material on a surface to control a plasma uniformity.

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Hsinchu, Taiwan

Fei-Fan Chen