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LTCC 기판의 60 GHz 대역 유전 특성 및 LTCC 위에 구현된 전송 선로의 전달 특성 측정
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- Issue Date
- 2008-03
- Citation
- Electronic Materials Letters, v.4, no.1, pp.35-38
- ISSN
- 1738-8090
- Publisher
- Springer, 대한금속재료학회
- Language
- Korean
- Type
- Journal Article
- Project Code
- 07MB1100, SoP(System on Package) for 60 GHz Pico cell Communication, Yu Hyun Kyu
- Abstract
- 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 Keywords
- 60 GHz, Cavity resonance, Dielectric properties, LTCC substrate, Millimeter-wave band, Packaging technology, Resonance method, Transmission loss, millimeter wave(mmWave), mmW band