Hun Cha

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Suwon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a shield for an inductively-couple plasma...
- Patent number 6,585,907
- Issue date Jul 1, 2003
- Samsung Electronics Co., Ltd.
- Eun-Hee Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polishing head of a chemical mechanical polishing apparatus and, re...
- Patent number 6,443,826
- Issue date Sep 3, 2002
- Samsung Electronics Co., Ltd.
- Yun-Sik Yang
- B24 - GRINDING POLISHING
Information Patent Grant
Inductive-coupled plasma apparatus employing shield and method for...
- Patent number 6,251,241
- Issue date Jun 26, 2001
- Samsung Electronics Co., Ltd.
- Eun-Hee Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device manufacturing system having means for reducing...
- Patent number 6,039,770
- Issue date Mar 21, 2000
- Samsung Electronics Co., Ltd.
- Yun-sik Yang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of etching metallic film for semiconductor devices
- Patent number 6,037,267
- Issue date Mar 14, 2000
- Samsung Electronics Co., Ltd.
- Sung-kyeong Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
UV irradiation apparatus
- Patent number 5,872,365
- Issue date Feb 16, 1999
- Samsung Electronics Co., Ltd.
- Kyoon-hee Goh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY