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The New Thick-Film Hybrid Converters For Halogen and Fluorescent Lamps

  • Gondek, J.;Dzialek, K.;Kocol, J.;Kawa, B.
    • Journal of the Microelectronics and Packaging Society
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    • v.8 no.2
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    • pp.43-48
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    • 2001

  • Economical consumption of energy, longer life of lamps, higher lighting comfort and new aesthetic of illumination is subject of numerous research and development works. The halogen lamps are an example of positive solution some of above mentioned problems. The electronic transformers are more frequent used for their supply. In comparison with conventional transformers they have less weight, less volume and 60% less power losses. Their advantages are particular visible, when the hybrid technique is applied. The paper presents the results of engineering research and development works carried out in Private Institute of Electronic Engineering, in R. & D. Center for Hybrid Microelectronics and Resistors and in Technical School of Communications in Krakow, in the field of the design and exploitation tests of hybrid converters 220V AC /12V DC (electronic transformers) and electronic ballasts destined for the supply of halogen lamps 20W to 150W and fluorescent lamps respectively. To perform the converters, thick film technology and surface mount technology were used. For the protection of converter electronic circuit the thick film temperature sensor and transistors were applied. Moreover the paper presents the base application circuits of elaborated converters, their technical parameters and exploitation results. The development perspectives of such domain of hybrid circuits are also discussed.

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The Effect of Private Health Insurance on Health Care Utilization: Evidence from Korea Health Panel (2008~2010) (민간의료보험이 의료 이용에 미치는 영향: 한국의료패널(2008-2010)을 이용한 Two-Stage 분석)

  • You, Chang-Hoon;Kang, Sung-Wook;Choi, Ji-Heon;Oh, Eun-Hwan;Kwon, Young-Dae
    • The Korean Journal of Health Service Management
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    • v.8 no.2
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    • pp.101-113
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    • 2014

  • This paper examined the effects of private health insurance(PHI) on the health care utilization among the Korean. The used data was the three waves of Korea Health Panel (2008, 2009, 2010), and the number of subjects was 13,951 persons. Authors employed two-stage least square panel model where the instrument variables for controlling for endogeneity of PHI were number of insurance planner per 100,000 in resident area and whether subject worked on financial profession. The results showed that healthcare expenditure of outpatients who purchasing PHI was higher than that of outpatients without PHI, and there was no difference in admission between the two groups. This article recommended the Korean government to monitor the effects of PHI on the health care utilization in order to improve the efficiency of health care finance.

  • https://doi.org/10.12811/kshsm.2014.8.2.101 인용 PDF KSCI