Characterization of liquid crystal polymer (LCP) material and transmission lines on LCP substrates from 30 to 110 GHz
Liquid crystal polymer (LCP) is a material that has gained attention as a potential high-performance microwave substrate and packaging material. This investigation uses several methods to determine the electrical properties of LCP for millimeter-wave frequencies. Microstrip ring resonators and cavit...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2004-04, Vol.52 (4), p.1343-1352 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Thompson, D.C. Tantot, O. Jallageas, H. Ponchak, G.E. Tentzeris, M.M. Papapolymerou, J. |
| description | Liquid crystal polymer (LCP) is a material that has gained attention as a potential high-performance microwave substrate and packaging material. This investigation uses several methods to determine the electrical properties of LCP for millimeter-wave frequencies. Microstrip ring resonators and cavity resonators are measured in order to characterize the dielectric constant (/spl epsi//sub r/) and loss tangent (tan/spl delta/) of LCP above 30 GHz. The measured dielectric constant is shown to be steady near 3.16, and the loss tangent stays below 0.0049. In addition, various transmission lines are fabricated on different LCP substrate thicknesses and the loss characteristics are given in decibels per centimeter from 2 to 110 GHz. Peak transmission-line losses at 110 GHz vary between 0.88-2.55 dB/cm, depending on the line type and geometry. These results show, for the first time, that LCP has excellent dielectric properties for applications extending through millimeter-wave frequencies. |
| doi_str_mv | 10.1109/TMTT.2004.825738 |
| format | Article |
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This investigation uses several methods to determine the electrical properties of LCP for millimeter-wave frequencies. Microstrip ring resonators and cavity resonators are measured in order to characterize the dielectric constant (/spl epsi//sub r/) and loss tangent (tan/spl delta/) of LCP above 30 GHz. The measured dielectric constant is shown to be steady near 3.16, and the loss tangent stays below 0.0049. In addition, various transmission lines are fabricated on different LCP substrate thicknesses and the loss characteristics are given in decibels per centimeter from 2 to 110 GHz. Peak transmission-line losses at 110 GHz vary between 0.88-2.55 dB/cm, depending on the line type and geometry. These results show, for the first time, that LCP has excellent dielectric properties for applications extending through millimeter-wave frequencies.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2004.825738</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Crystalline materials ; Dielectric loss measurement ; Dielectric materials ; Dielectric measurements ; Dielectric substrates ; Frequency ; Liquid crystal polymers ; Millimeter wave technology ; Transmission line measurements ; Transmission lines</subject><ispartof>IEEE transactions on microwave theory and techniques, 2004-04, Vol.52 (4), p.1343-1352</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2004</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-c6827f1e5ff2f59cbb8a8a0cab7e4000122063135292379f8b6a094921eb3263</citedby><cites>FETCH-LOGICAL-c427t-c6827f1e5ff2f59cbb8a8a0cab7e4000122063135292379f8b6a094921eb3263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1284807$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1284807$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Thompson, D.C.</creatorcontrib><creatorcontrib>Tantot, O.</creatorcontrib><creatorcontrib>Jallageas, H.</creatorcontrib><creatorcontrib>Ponchak, G.E.</creatorcontrib><creatorcontrib>Tentzeris, M.M.</creatorcontrib><creatorcontrib>Papapolymerou, J.</creatorcontrib><title>Characterization of liquid crystal polymer (LCP) material and transmission lines on LCP substrates from 30 to 110 GHz</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>Liquid crystal polymer (LCP) is a material that has gained attention as a potential high-performance microwave substrate and packaging material. This investigation uses several methods to determine the electrical properties of LCP for millimeter-wave frequencies. Microstrip ring resonators and cavity resonators are measured in order to characterize the dielectric constant (/spl epsi//sub r/) and loss tangent (tan/spl delta/) of LCP above 30 GHz. The measured dielectric constant is shown to be steady near 3.16, and the loss tangent stays below 0.0049. In addition, various transmission lines are fabricated on different LCP substrate thicknesses and the loss characteristics are given in decibels per centimeter from 2 to 110 GHz. Peak transmission-line losses at 110 GHz vary between 0.88-2.55 dB/cm, depending on the line type and geometry. These results show, for the first time, that LCP has excellent dielectric properties for applications extending through millimeter-wave frequencies.</description><subject>Crystalline materials</subject><subject>Dielectric loss measurement</subject><subject>Dielectric materials</subject><subject>Dielectric measurements</subject><subject>Dielectric substrates</subject><subject>Frequency</subject><subject>Liquid crystal polymers</subject><subject>Millimeter wave technology</subject><subject>Transmission line measurements</subject><subject>Transmission lines</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkc9LwzAYhoMoOKd3wUvwIHro_JL-SHqUopsw0UPvIe0SzGibLUkP219vygTBU5Ivzxve8CB0S2BBCJTP9UddLyhAtuA0Zyk_QzOS5ywpCwbnaAZAeFJmHC7RlffbeMxy4DM0Vt_SyTYoZ44yGDtgq3Fn9qPZ4NYdfJAd3tnu0CuHH9fV1xPu5QTHsRw2ODg5-N54PyU7MyiP4yZy2I-Nj7chTrSzPU4BB4tjVbxcHa_RhZadVze_6xzVb691tUrWn8v36mWdtBllIWkLTpkmKtea6rxsm4ZLLqGVDVMZxD9QCkVK0pyWNGWl5k0hocxKSlST0iKdo4fTsztn96PyQcSqreo6OSg7ekE5YTELEbz_B27t6IZYTXCeEeCkmCA4Qa2z3julxc6ZXrqDICAmB2JyICYH4uQgRu5OEaOU-sMpjyJY-gMWzoFM</recordid><startdate>200404</startdate><enddate>200404</enddate><creator>Thompson, D.C.</creator><creator>Tantot, O.</creator><creator>Jallageas, H.</creator><creator>Ponchak, G.E.</creator><creator>Tentzeris, M.M.</creator><creator>Papapolymerou, J.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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This investigation uses several methods to determine the electrical properties of LCP for millimeter-wave frequencies. Microstrip ring resonators and cavity resonators are measured in order to characterize the dielectric constant (/spl epsi//sub r/) and loss tangent (tan/spl delta/) of LCP above 30 GHz. The measured dielectric constant is shown to be steady near 3.16, and the loss tangent stays below 0.0049. In addition, various transmission lines are fabricated on different LCP substrate thicknesses and the loss characteristics are given in decibels per centimeter from 2 to 110 GHz. Peak transmission-line losses at 110 GHz vary between 0.88-2.55 dB/cm, depending on the line type and geometry. These results show, for the first time, that LCP has excellent dielectric properties for applications extending through millimeter-wave frequencies.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2004.825738</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| issn | 0018-9480 1557-9670 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Crystalline materials Dielectric loss measurement Dielectric materials Dielectric measurements Dielectric substrates Frequency Liquid crystal polymers Millimeter wave technology Transmission line measurements Transmission lines |
| title | Characterization of liquid crystal polymer (LCP) material and transmission lines on LCP substrates from 30 to 110 GHz |
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