Gum-Hyun Shin

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Suwon-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Polarity exchanger and ion implanter having the same
- Patent number 6,903,336
- Issue date Jun 7, 2005
- Samsung Electronics Co., Ltd.
- Gyeong-Su Keum
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Polarity exchanger and ion implanter having the same
- Publication number 20040113100
- Publication date Jun 17, 2004
- Gyeong-Su Keum
- H01 - BASIC ELECTRIC ELEMENTS