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강민규,김성동,Kang, Min-gyu,Kim, Sungdong 한국마이크로전자및패키징학회 2020 마이크로전자 및 패키징학회지 Vol.27 No.4
This paper reviews the recent development of electronic textile technology, mainly focusing on chip-textile bonding. Before the chip-textile bonding, a circuit on the textile should be prepared to supply the electrical power and signal to the chip mounted on the fabrics. Either embroidery with conductive yarn or screen-printing with the conductive paste can be applied to implement the circuit on the fabrics depending on the circuit density and resolution. Next, chip-textile bonding can be performed. There are two choices for chip-textile bonding: fixed connection methods such as soldering, ACF/NCA, embroidery, crimping, and secondly removable connection methods like a hook, magnet, zipper. Following the chip-textile bonding process, the chip on the textile is generally encapsulated using PDMS to ensure reliability like water-proof.
강민규 ( Min Gyu Kang ),김주영 ( Ju Young Kim ),방보람 ( Bo Ram Bang ),정재우 ( Jae Woo Jung ),손성욱 ( Seong Wook Sohn ),강혜련 ( Hye Ryun Kang ) 대한천식알레르기학회 2012 천식 및 알레르기 Vol.32 No.3
Background: Ciprofloxacin can induce immediate hypersensitivity reactions such as urticaria, angioedema, and anaphylaxis. These reactions are usually immunoglobulin E -mediated but non-immunoglobulin E mediated reactions were also reported. Case History: A 47-year-old man visited our emergency department with generalized erythematous rasheses. Skin rash, febrile sensations and conjunctival injection had developed 1 hour after he took ciprofloxacin and tamsulosin 5 hours ago. Initially, his blood pressure was normal but abruptly dropped to 75/36 mmHg 5 hours after arrival. His blood pressure was normalized with repeated epinephrine injection followed by hydration and norepinephrine continuous infusion. Results: Oral provocation tests were performed by using tamsulosin and ciprofloxacin. While tamsulosin did not evoke any symptoms, the patients had itching, erythematous rashes on the whole body 10 minutes after taking ciprofloxacin 62.5 mg and delayed hypotension (87/49 mmHg) occurred 5 hours later. He was diagnosed with delayed hypersensitivity to ciprofloxacin. Peripheral blood mononuclear cells isolated from the patient and normal controls were incubated with ciprofloxacin. The patient showed an increase in interleukin-5 and interleukin-13, while normal controls did not. Conclusion: This is the first case of ciprofloxacin-induced delayed anaphylaxis which was confirmed with oral provocation tests and in vitro cytokine analysis.
RTP/RTCP 를 이용한 영상회의 시스템에서 오디오 패킷 손실 보상을 위한 동적 부가 전송 매커니즘 개발 및 성능 분석
강민규(Kang Min Gyu),궁상환(Kung Sanghwan),김동규(Kim Dong Kyoo) 한국정보처리학회 1998 정보처리학회논문지 Vol.5 No.10
This paper addresses the problem found with audio packet loss on the teleconferencing system. In ITU H.323 teleconferencing system, the RTP/RTCP protocol offered to delivery realtime stream (audio and video). Participants in teleconferencing system have experience in packet loss which results in the congestion. The quality of the audio that delivered from source to destination depends essentially on the number of lost packets and on the delay variations between successive packets. We measure the loss of audio packets in order to examine the loss characteristics over Internet. The experience has shown that almost packet loss is isolate fairly over congested network. The goal in our study is to develop efficient mechanism to adapt the loss characteristics of the networks. By examining the packet loss of audio streams sent over Internet, we suggests that Dynamic Redundant Transmission mechanism would be adquate to minimize the impact of audio packet loss. The sending sites uses the feedback information which contains into the RTCP packets, to compute packet loss. Based on this packet loss state, the sender determines the policy of redundant transmission which is one of no-redundant, 1-order redundant, and 2-order redundant. These mechanisms are implemented and evaluated over the Internet. The results indicate that the mechanism can be applied to minimize almost all the non-consecutive packet loss and a part of consecutive loss.
급성 A형 간염 산모에서의 신부전, 췌장염 및 태아의 사산
강민규 ( Min Gyu Kang ),이태희 ( Tae Hee Lee ),박정호 ( Jung Ho Park ),최인기 ( In Kee Choi ),선제형 ( Jae Hyung Sun ),천상열 ( Sang Lyeol Cheon ),강영우 ( Young Woo Kang ) 대한내과학회 2010 대한내과학회지 Vol.78 No.5
The incidence of hepatitis A has increased sharply in Korea, and cases have been associated with many complications. We report a pregnant woman who developed acute renal failure, acute pancreatitis, and stillbirth associated with hepatitis A. She had no relevant medical history. She was admitted to hospital with vaginal bleeding, fever, and myalgia. The initial laboratory data and clinical findings were compatible with acute hepatitis, renal failure, and pancreatitis. To the best of our knowledge, this is the first case report of non?fulminant hepatitis with multiple complications in Korea. (Korean J Med 78:620-623, 2010)
영구형 인공심박동기 삽입술 후 발생한 스트레스성 심장 근육병증
강민규 ( Min Gyu Kang ),김나영 ( Na Young Kim ),박정랑 ( Jeong Rang Park ),황석재 ( Seok Jae Hwang ),박용휘 ( Yong Whi Park ),곽충환 ( Choong Hwan Kwak ),황진용 ( Jin Yong Hwang ) 대한내과학회 2012 대한내과학회지 Vol.82 No.5
Stress-induced cardiomyopathy is a disease characterized by acute transient left ventricular dysfunction following exposure to stressful situations. We encountered an 80-year-old woman with complete atrioventricular block and normal LV systolic function. After permanent pacemaker implantation, electrocardiogram showed inverted T-waves in precordial leads. Follow-up echocardiographic findings indicated dyskinesia of the apical wall. Final diagnosis was stress-induced cardiomyopathy associated with a physically stressful condition (i.e., pacemaker implantation). (Korean J Med 2012;82:609-613)
주택의 자산효과에 의한 가계소비 변화 : 자가가구 미시자료를 이용한 실증분석
강민규(Kang Min-Gyu),최막중(Choi Mack-Joong),김준형(Kim Jun-Hyung) 대한국토·도시계획학회 2009 국토계획 Vol.44 No.5
This paper empirically estimates housing wealth effect in Korea based on homeowner micro data. Panel analyses show that 1%p change in house price results in approximately 0.1%p change in household consumption for the period of 2002~2007. The elasticity is higher than those estimated by the preceding studies which do not distinguish homeowners from renters. Multiple regression analyses further illustrate that the wealth effect occurs asymmetrically and more significantly when house price decreases. It is also proved to be more significant for those households who bear little debt burden and own multi-family housing (condominium) as compared to single-family housing. Based upon the findings, the paper gives a caution for an excessive supply of multi-family housing in the regions outside the Capital region where decrease in house prices may give rise to a vicious circle of depressed housing market and decline of regional economy.