Magnetic filter apparatus and method for generating cold plasma

Coating apparatus – Gas or vapor deposition – With treating means

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118723FE, 118723FI, 118723MR, 25049221, C23C 1600

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active

055452574

ABSTRACT:
Disclosed herein is a system and method for providing a plasma flood having a low electron temperature to a semiconductor target region during an ion implantation process. The plasma generator providing the plasma is coupled to a magnetic filter which allows ions and low energy electrons to pass therethrough while retaining captive the primary or high energy electrons. The ions and low energy electrons form a "cold plasma" which is diffused in the region of the process surface while the ion implantation process takes place.

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Holmes, A. J. T., Green, T. S. and Newman, A. F., "Development of a High Proton Yield Plasma Source with Multipole Confinement and a Magnetic Filter", Rev. Sci. Instrum, 58 (8), Aug. 1977, American Instiute of Physics, 1987, pp. 1369-1381.
Tanaka, Shigeru et al.; "Effects of Internal and External Magnetic Fields on the Characteristics of a Magnetic Multipole Plasma Source", Rev. Sci. Instrum., 57 (2), Feb. 1986, American Institute of Physics, 1986, pp. 145-150.

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