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김영욱(Yeonguk Kim),양원균(Wonkyun Yang),주정훈(Junghoon Joo) 한국표면공학회 2008 한국표면공학회지 Vol.41 No.4
We have developed a numerical model for a remote ICP(inductively coupled plasma) system in 2D and 3D with gas distribution configurations and confirmed it by plasma diagnostics. The ICP source has a Cu tube antenna wound along a quartz tube driven by a variable frequency rf power source (1.9~3.2 ㎒) for fast tuning without resort to motor driven variable capacitors. We investigated what conditions should be met to make the plasma remotely localized within the quartz tube region without charged particles' diffusing down to a substrate which is 300 ㎜ below the source, using the numerical model. OES(optical emission spectroscopy), Langmuir probe measurements, and thermocouple measurement were used to verify it. To maintain ion current density at the substrate less than 0.1 ㎃/㎠, two requirements were found to be necessary; higher gas pressure than 100 mTorr and smaller rf power than 1 ㎾ for Ar.
SAB 전개성능 향상을 위한 신 커버링 구조에 대한 연구
김상호(SangHo Kim),편종권(JongKweon Pyun),김영욱(YeongUk Kim),김재영(JaeYoung Kim),김희일(HoeIl Kim),손유지(YuJi Son) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Most passengers wish their vehicles safer and the car OEMs are enlarging the adaptation of safety part, especially, many kind of air-bags, Driver Air Bag, Passenger Air Bag, Curtain Air Bag, Knee Air Bag. In vehicle, seat also includes the SAB(Side Air Bag) in the outer side of the back part. It protects passenger’s side body in car colliding. Each OEM has a unique inflation technology in the SAB. In this paper, the new inflation method is introduced for taking action against the patent infringement by the competitor company. In the process of the invention, the patent map of world OEM is investigated. The new technology improves inflation performance compared to the other company’s one. The result also obtained a patent.
최호진(Hojin Choi),장정익(Jeongik Jang),김영욱(Yeonguk Kim),김다함(DaHam Kim),이남경(NamKyoung Lee),김성영(SungYoung Kim) 한국정보기술학회 2022 Proceedings of KIIT Conference Vol.2022 No.6
본 논문은 사용자 위치정보와 게임 방식을 사용한 음식 메뉴 의사 결정 시스템을 안드로이드로 구현한 내용을 소개하였다. 본 어플에서 도입한 게임 방식은 양자택일 토너먼트를 반복하여 우승 아이템을 선정하는 이상형 월드컵게임이며, 사용자가 반복적으로 월드컵게임을 수행함으로써 게임의 결과를 다음 게임의 후보 선정과정에서 활용하고 더 우수한 선택지를 제공한다. 어플을 통해 사용자 계층별로 충분한 표본 데이터가 축적되면 빅데이터에 따른 사용자 추천 알고리즘 구현이 가능하다. This paper introduces the implementation of the food menu decision-making system using user location information and game method in Android. The game method introduced in this application is an ideal World Cup game that selects the winning item by repeating alternative tournaments, and by repeatedly performing the World Cup game, the user can utilize the results of the game in the process of selecting candidate for the next game and select a better option. to provide. When sufficient sample data for each user class is accumulated through the application, it is possible to implement a user recommendation algorithm based on big data.