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LTCC 기판의 60 GHz 대역 유전특성 및 LTCC 위에 구현된 전송선로의 전달특성 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
- Abstract
- The dielectric properties at millimeter-wave band(MMW) of commercially available LTCC substrate were measured using cavity resonance method. A6S substrate from Ferro has best dielectric properties at MMW bands, and the other substrates also have good dielectric properties. CBCPW (Conductor backed coplanar waveguid) lines for MMW were designed and measured. The transmission losses of CBCPW lines on LTCC substrate with tand less than 0.002 were 0.1dB/mm. As the tand of LTCC substrate increases to 0.004, the losses of CBCPW lines at 60 GHz increase to 0.15dB/mm. However, this transmission loss of 0.15dB/mm is sufficiently low in the application of LTCC as a packaging technology at MMW band. As expected, the transmission 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