• Title/Summary/Keyword: Pyrex Glass Discharge Tube

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Chartacteristic of Ozone Genneration by corona Discharge (코로나 방전에 의한 오존 생성 특성)

  • Jeun, Young-Ju;Kang, Chun-Su;Park, Won-Ju;Lee, Dong-In
    • Proceedings of the KIEE Conference
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    • 1995.07c
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    • pp.1375-1377
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    • 1995
  • This paper describes characteristic of ozone Generation by positive streamer corona discharge. Experiments were carried out with needle-plane Electrodes in a pyrex glass tube, in order to in crease the ozone yield. The results of Experiments confirmed needle an gle $45^{\circ}$ Gap spacing 15mm is adaptive Electrode arrangement.

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A Study on the Control Technology of Ozone Generations (오존 발생량 제어기술에 관한 연구)

  • Cho, Kook-Hee;Cho, Moon-Soo
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.20 no.10
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    • pp.94-99
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    • 2006
  • Ozone concentration and flow rate of discharge tube were measured using LabVIEW program in data acquisition part and it was saved. In addition, quantities of ozone generation was adjusted by the collected data, which was performed at control part. Therefore, energy efficiency was improved by suppling quantities of ozone generation according to environmental conditions.

A study of Ozone Concentration Measuring System (오존농도 측정 시스템에 관한 연구)

  • Cho, Kook-Hee;Cho, Moon-Soo;Park, Chan-Won;Park, Sang-Woo;Shin, Kwang-Chul;Park, Bo-Hyung
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2005.05b
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    • pp.150-154
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    • 2005
  • 본 논문에서는 LabVIEW program을 사용하여 크기가 다른 파이렉스 글라스 방전관의 오존 농도를 연속적으로 측정하여 특성을 분석하였다. 또한 Flux-2D program을 사용하여 파이렉스 방전관의 전계를 분석하였다. 실험 결과에 따르면 1[$\ell$/min]에서 가장 오존 농도가 높았으며, 파이렉스 글라스 방전관 I 에서는 약 62[g/$m^3$]. 파이렉스 글라스 방전관II 에서는 약 48[g/$m^3$]으로 나타났다. 또한 고압 펄스 전원에 따른 오존농도 변화를 3D분석을 통해 확인 할 수 있었다. 확인된 분석을 통해 오존농도를 요구하는 만큼 생성한다면, 에너지 손실을 감소시키고 전극 수병을 최대화 할 수 있다.

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Study on Reliability of Vapor Cell by Laser Packaging with Au/Au-Sn Heterojunction (Au/Au-Sn 이종접합 적용 레이저 패키징을 통한 Vapor Cell 신뢰성 연구)

  • Kwon, Jin Gu;Jeon, Yong Min;Kim, Ji Young;Lee, Eun Byeol;Lee, Seong Eui
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.33 no.5
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    • pp.367-372
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    • 2020
  • As packaging processes for atomic gyroscope vapor cells, the glass tube tip-off process, anodic bonding, and paste sealing have been widely studied. However, there are stability issues in the alkali metal which are caused by impurity elements and leakage during high-temperature processes. In this study, we investigated the applicability of a vapor cell low-temperature packaging process by depositing Au on a Pyrex cell in addition to forming an Au-Sn thin film on a cap to cover the cell, followed by laser irradiation of the Au/Au-Sn interface. The mechanism of the thin film bonding was evaluated by XRD, while the packaging reliability of an Ne gas-filled vapor cell was characterized by variation of plasma discharge behavior with time. Furthermore, we confirmed that the Rb alkaline metal inside the vapor cell showed no color change, indicating no oxidation occurred during the process.