Samsung electronics co., ltd. (20240128054). PLASMA CONTROL APPARATUS AND METHOD USING THE SAME simplified abstract

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PLASMA CONTROL APPARATUS AND METHOD USING THE SAME

Organization Name

samsung electronics co., ltd.

Inventor(s)

Changho Kim of Suwon-si (KR)

Donghyeon Na of Suwon-si (KR)

Yoonbum Nam of Suwon-si (KR)

Seungbo Shim of Suwon-si (KR)

Kyungsun Kim of Suwon-si (KR)

Namkyun Kim of Suwon-si (KR)

PLASMA CONTROL APPARATUS AND METHOD USING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240128054 titled 'PLASMA CONTROL APPARATUS AND METHOD USING THE SAME

Simplified Explanation

The patent application describes a plasma control apparatus that includes a first transmission line and a second transmission line transferring radio frequency (RF) power to a plasma chamber. The apparatus also includes a matcher, a first plasma control circuit, a sensor, and an auxiliary RF power source. The first transmission line transfers the RF power adjacent to the center of the plasma chamber, while the second transmission line transfers the RF power and the auxiliary RF power adjacent to an edge of the plasma chamber.

  • The apparatus includes a first transmission line and a second transmission line transferring RF power to a plasma chamber.
  • A first plasma control circuit is configured to selectively control harmonics of the frequencies.
  • A sensor senses the harmonics of the plasma chamber.
  • An auxiliary RF power source generates auxiliary RF power to cancel out the sensed harmonics.

Potential Applications

This technology could be applied in plasma processing systems, semiconductor manufacturing, and materials processing industries.

Problems Solved

This technology helps in controlling and canceling out unwanted harmonics in the plasma chamber, leading to improved plasma processing efficiency and quality.

Benefits

The apparatus allows for precise control of harmonics in the plasma chamber, resulting in better process control and product quality. It also helps in reducing interference and improving overall system performance.

Potential Commercial Applications

Potential commercial applications include plasma etching systems, thin film deposition systems, and plasma cleaning systems.

Possible Prior Art

One possible prior art could be the use of matching networks in plasma processing systems to optimize power transfer and efficiency. Another could be the use of sensors to monitor plasma characteristics in real-time.

Unanswered Questions

How does the apparatus handle variations in plasma chamber conditions?

The patent application does not provide details on how the apparatus adapts to changes in plasma chamber conditions such as pressure or temperature.

What is the cost-effectiveness of implementing this technology in existing plasma systems?

The article does not discuss the cost implications of integrating this plasma control apparatus into current plasma processing setups.


Original Abstract Submitted

a plasma control apparatus includes a first transmission line and a second transmission line transferring radio frequency (rf) power to a plasma chamber, a matcher disposed on the first transmission line a first plasma control circuit disposed on the first transmission line and configured to selectively and independently control harmonics of one or more of the at least two frequencies, a sensor configured to sense the harmonics of the plasma chamber, and an auxiliary rf power source disposed on the second transmission line and configured to generate auxiliary rf power to cancel out the harmonics sensed by the sensor, wherein, in a plan view, the first transmission line transfers the rf power adjacent to the center of the plasma chamber, and the second transmission line transfers the rf power and the auxiliary rf power and the auxiliary rf power adjacent to an edge of the plasma chamber.