Jung Ug KWAK

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Ulsan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Metal core solder ball and heat dissipation structure for semicondu...
- Patent number 10,661,394
- Issue date May 26, 2020
- Duksan Hi-Metal Co., Ltd.
- Yong Cheol Chu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METAL CORE SOLDER BALL AND HEAT DISSIPATION STRUCTURE FOR SEMICONDU...
- Publication number 20140183733
- Publication date Jul 3, 2014
- DUKSAN HI-METAL CO., LTD.
- Yong Cheol CHU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR