Ion implanting method and apparatus

Details Ion implanting method and apparatus Ion implanting method and apparatus

2008-05-20

2008-05-20

Vanore, David (Department: 2881)

Radiant energy

Irradiation of objects or material

Irradiation of semiconductor devices

C250S492300

Reexamination Certificate

active

07375354

ABSTRACT:
The ion implanting method uses both reciprocatively scanning an ion beam in an X direction and reciprocatively mechanically driving a substrate in a Y direction orthogonal thereto. An implanting step of implanting ions separately for two implanted regions with different dose amounts of the substrate is executed plural times by changing at the center of the substrate a driving speed of the substrate. A rotating step of rotating the substrate around its center by a prescribed angle is executed once during each of the intervals between the respective implanting steps and while the ion beam is not applied to the substrate.

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