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윤성태,지선하,서일,오희철,김한중,Youn, Sung-Tae,Jee, Sun-Ha,Suh, Il,Ohrr, Hee-Choul,Kim, Han-Joong 대한예방의학회 2000 Journal of Preventive Medicine and Public Health Vol.33 No.2
Objective : To analyze the factors affecting the participation rate in the health screening program of medical insurance. Method : We investigated the factors associated with the participation rate in the health screening program in Korea. Data were collected at the aggregate level from 145 employee health insurance societies and 227 self-employed health insurance societies from 1995 to 1997 Data were also collected at the individual level from four health insurance societies. This study hypothesized that the participation rate of the health screening program was related to 1) the characteristics of its members and the size of the health insurance society; 2) the specifications of the health screening program; 3) the venue of the health screening institution and the interests of individuals in the health screening program; and 4) the activities of the health insurance society. We used bivariate and multiple regression models to examine the factors on the participation rate of the health screening program. Results : First, in the case of dependents of on employee health insurance society, the ratio of dependents 40 years old and over, the average monthly contribution per household, the interest and satisfaction level of individuals in health screening, and the level of refunds for over-payment were all associated with the participation rate in the health screening program, accounting for 54.4% of the participation rate. Second, in case of those insured by the self-employed health insurance society, the interest and satisfaction level of individuals in health screening, the level of refunds for over-payment, and the performance level of on-the-spot health screening were statistically significant, accounting for 40.1% of the participation rate. Conclusion : The factors concerning the participation rate in the health screening program of medical insurance, in both a health insurance society and for individuals, were closely related to the age and gender of individuals and household contributions.
연결선에 기인한 시간지연의 정확한 모델 및 실험적 검증
윤성태,어영선,심종인,Yoon, Seong-Tae,Eo, Yung-Seon,Shim, Jong-In 대한전자공학회 2000 電子工學會論文誌-SD (Semiconductor and devices) Vol.37 No.9
본 논문에서는 고속 VLSI 회로 내의 전송선에서 발생하는 전달지연시간을 계산하는 해석적 모델을 제시하고 그 모델의 정확성을 실험적으로 검증한다. 새로 제시한 모델은 표피효과, 근접효과 그리고 실리콘 기판에 의한 전성선 파라미터 변화를 고려하기 때문에 이들 영향을 반영한 새로운 인터커넥트 회로모델에 대하여 시간지연 모델을 구현한다. 모델의 정확성을 검증하기 위해 코플레너(coplanar)와 마이크로 스트립구조가 결합한 패턴의 모델을 0.35${\mu}m$ CMOS 공정을 사용하여 제작하였다. 이들 테스트 패턴에 대한 실험적 검증을 통하여 모델이 약 10% 이내의 오차범위에서 정확하다는 것을 보인다. A new analytical VLSI interconnect delay model is presented and its accuracy is experimentally verified. In the model, the transmission line parameter variations due to skin effect, proximity effect, and silicon substrate effect are taken into account. That is, the circuit model of the interconnect line that includes these effects is newly developed and analyzed. For the model verification, test patterns combined the coplanar structure with microstrip were designed by using 0.35${\mu}m$ CMOS process technology. It is shown that the accuracy of the model is less than about 10% error.