罗杰斯板材4350data sheet

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1、DATARogersCorporationRO1.4000MicrowaveMaterialsDivisionHighFrequencyCircuitMaterialsRO4000®SeriesHighFrequencyCircuitMaterialsRO4000®SeriesHighFrequencyCircuitMaterialsareglassreinforcedhydrocarbon/ceramiclaminates(NotPTFE)designedforperformancesensit

2、ive,highvolumecommercialapplications.RO4000laminatesaredesignedtooffersuperiorhighfrequencyperformanceandlowcostcircuitfabrication.Theresultisalowlossmaterialwhichcanbefabricatedusingstandardepoxy/glass(FR4)processesofferedatcompetitiveprices.Theselec

3、tionoflaminatestypicallyavailabletodesignersissignificantlyreducedonceoperationalfrequenciesincreaseto500MHzandabove.RO4000materialpossessesthepropertiesneededbydesignersofRFMicrowavecircuits.Stableelectricalpropertiesoverenvironmentalconditionsallowf

4、orrepeatabledesignoffilters,matchingnetworksandcontrolledimpedancetransmissionlines.LowdielectriclossallowsRO4000seriesmaterialtobeusedinmanyapplicationswherehigheroperatingfrequencieslimittheuseofconventionalcircuitboardlaminates.Thetemperaturecoeffi

5、cientofdielectricconstantisamongthelowestofanycircuitboardmaterial(Chart1),makingitidealfortemperaturesensitiveapplications.RO4000materialsexhibitastabledielectricconstantoverabroadfrequencyrange(Chart2).Thismakesitanidealsubstrateforbroadbandapplicat

6、ions.RO4000material'sthermalcoefficientofexpansion(CTE)providesseveralkeybenefitstothecircuitdesigner.TheexpansioncoefficientofRO4000materialissimilartothatofcopperwhichallowsthematerialtoexhibitexcellentdimensionalstability,apropertyneededformixeddie

7、lectricmultilayerboardconstructions.TheZ-axisCTEprovidesreliableplatedthrough-holequality,eveninseverethermalshockapplications.RO4000seriesmaterialhasaTgof>280°C(536°F)soitsexpansioncharacteristicsremainstableovertheentirerangeofcircuitprocessingtempe

8、ratures.RO4000serieslaminatescaneasilybefabricatedintoprintedcircuitboardsusingstandardFR4circuitboardprocessingtechniques.UnlikePTFEbasedhighperformancematerials,RO4000serieslaminatesdonotrequirespecializedprocessessuchassodiumetch.Thismateri