Designation:F1445−00(Reapproved2009)StandardTestMethodforDeterminingStaticThermalSensitivityofDirectThermalMedia1ThisstandardisissuedunderthefixeddesignationF1445;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthestaticthermalresponseofdirectthermalmedia(paper,film,andpaper/filmlaminates)todeterminetemperaturesrequiredforactivation,functionalandsaturateddensities.Staticthermalresponseisakeytestfordeterminingheatstabilitycharacteristicsofdirectthermalmedia.1.2Theinstrumentdescribedinthistestmethodmaybeusedtodevelopproductspecifications,specificationacceptance,productdevelopment,orresearchapplications.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ANSIStandard:IT2.17-1995DensityMeasurements–GeometricCondi-tionsforReflectionDensity23.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1functionaltemperature—temperaturewhichgeneratesanopticaldensityof1.00.3.1.2staticthermalresponse—thegenerationofthethermalresponseofathermalmediawithinagivenprintingsystemoveraspecificrangeoftemperaturelevels.4.SummaryofTestMethod4.1Thistestmethodisintendedtodeterminethestaticthermalresponseofdirectthermalmedia.Thetemperatureversusdensitycurveobtainedisacharacterizationofagivencoatingandmediasubstrate.Curvescanbeusedtodetermineuniformitywithinandbetweendirectthermalmedialots.Thetestequipmentandtestproceduresarenotintendedtosimulatethermalrespo...
