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학술지 LTCC 기판의 60 GHz 대역 유전 특성 및 LTCC 위에 구현된 전송 선로의 전달 특성 측정
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저자
김동영, 문재경, 김해천, 유현규
발행일
200803
출처
Electronic Materials Letters, v.4 no.1, pp.35-38
ISSN
1738-8090
출판사
Springer, 대한금속재료학회
협약과제
07MB1100, 60GHz Pico cell 통신용 SoP, 유현규
초록
The dielectric properties at millimeter-wave band(MMW) of commercially available LTCC substrate weremeasured using cavity resonance method. A6S substrate from Ferro has best dielectric properties at MMWbands, and the other substrates also have good dielectric properties. CBCPW (Conductor backed coplanarwaveguid) lines for MMW were designed and measured. The transmission losses of CBCPW lines on LTCCsubstrate with tand less than 0.002 were 0.1dB/mm. As the tand of LTCC substrate increases to 0.004, the lossesof CBCPW lines at 60 GHz increase to 0.15dB/mm. However, this transmission loss of 0.15dB/mm issufficiently low in the application of LTCC as a packaging technology at MMW band. As expected, thetransmission losses of lines were critically dependant on the dielectric properties of the substrate used.
KSP 제안 키워드
60 GHz, Cavity resonance, Dielectric properties, LTCC substrate, Millimeter-wave band, Packaging technology, Resonance method, Transmission loss, millimeter wave(mmWave), mmW band