보론함량에 따른 D-glass의 유전율 특성
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2017.01
- 4페이지/ 어도비 PDF
- 가격 3,000원
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 27권 / 1호
ㆍ저자명 : 정보라, 이지선, 이미재, 임태영, 이영진, 전대우, 신동욱, 김진호
영어 초록
E-glass (electrical glass) fiber is the widely used as a reinforced composite material of PCBs (printed circuit boards). However, E-glass fiber is not stable because it has a dielectric constant of 6~7. On the other hand, D-glass (dielectric glass) fiber has a low dielectric constant of 3~4.5. Thus, it is adaptable for use as a reinforcing material of PCBs. In this study, we fabricated D-glass compositions with low dielectric constant, and measured the electrical and optical properties. In the glass composition, the boron content was changed from 9 to 31 wt%. To confirm the dependence of the dielectric constant on melting properties, D-glass with 22 wt% boron was melted at 1550 oC and 1650 oC for 2hrs. The glass melted at 1650 oC had a lower dielectric constant than the glass melted at 1550 oC. Therefore, the D-glass with boron of 9~31 wt% was fabricated by melting at 1650 oC for 2hrs, and transparent clear glass was obtained. We identified the non-crystalline nature of the glass using an XRD (x-ray diffractometer) graph. The visible light transmittance values depending on the boron contents were measured and found to be 88.6%~ 82.5%. Finally, the dielectric constant of the D-glass with 31 wt% boron was found to have decreased from 4.18 to 3.93.
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