日本电子级玻璃纤维布专利3汇总.docx
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日本电子级玻璃纤维布专利3汇总.docx
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日本电子级玻璃纤维布专利3汇总
NOTICES* JP。
2003-89967
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DETAILEDDESCRIPTION
[DetailedDescriptionoftheInvention]
[0001]
[FieldoftheInvention]Thepresentinventionrelatestotheopeningmethodoftheglassfiberfabricusedforaprinted-circuitboardetc.
[0002]
[DescriptionofthePriorArt]Inrecentyears,itisbecomingwhatalsohasthemoreadvancedcharacteristicrequiredofaprinted-circuitboardwithhighly-efficient-izingoftheelectricalandelectricequipment,andaminiaturization.
[0003]Asoneofsuchthedemands,improvementinthesurfacesmoothnessonthesurfaceofafiberbasematerialismentioned.Ifsurfacesmoothnessisinferior,whenafiberwillbecomeishardtobeimpregnatedinresinuniformlyinresinimpregnationdownstreamprocessingatthetimeofproducingtheprepregwhichservesasaprinted-circuitboard,forexampleanditwilluseforaprinted-circuitboard,inordertoproduceacontinuityhole,makeaholewithadrilletc.,but.Thereisapossibilitythatthefaultofaholenotdeviatingoraholenotbecomingperfectcircle-likemayarise.
[0004]Therefore,inordertoimprovesurfacesmoothness,itispreferablethatopeningtreatmentisperformed,manyresearchanddevelopmentaboutthisopeningtreatmentaredone,andtheappearanceoftheopeningmethodthatthedegreeofopeningishighisexpectedmoreefficiently.
[0005]
[Problemtobesolvedbytheinvention]Thepresentinventionisthenewmethodofopeningaglassfiberfabric,andanobjectofthepresentinventionistoprovidethehighmethodoftheopeningeffect.
[0006]
[Meansforsolvingproblem]Theinventorsinquiredintensivelythattheaforementionedproblemshouldbesolved.Whenvariousconditionsatthetimeofproducingaglassfiberfabricwereexaminedandtheglassfiberfabricafterweavinginadamporwetconditionwasheat-treatedwiththecylinderdryercurrentlyconventionallyusedforwarpingprocessingofwarp,theglassfiberfabricwasopenedbythesurprisingthinganditdiscoveredthattheopeningeffectwasunexpectedlyhigh.
[0007]Whenproducingaglassfiberfabric,thewarpwhichconstitutesthisglassfiberfabricisgiventotheprocessusuallycalledwarpingprocessinginadvanceofweaving.Thewarpingprocesssizedwarp,itwasaprocessperformedinordertomakeaweavingprocesseasytoperform,whenwarpwasdriedafterwarpsizing,thecylinderdryerwasused,butthecylinderdryerwasnotconventionallyusedfortheopeningtreatmentoftextiles.Afterproducingaglassfiberfabricconventionallyandcarryingoutopeningtreatmentofthisbythewaterjet,theVibrowasher,oranultrasonicwaveinthepresentinvention,aceramicheateroraninfraredheaterisused,Whentheplacewhichwasdryingtheglassfiberfabricwasdriedusingthecylinderdryer,theknowledgeofaglassfiberfabricbeingopenedfurtherwascarriedoutbyheat-treatmentaccordingtothiscylinderdryeralsounexpectedly.Intheopeningmethodbyaconventionalmethod,itdiscoveredthatespeciallytheheat-treatmentbyacylinderdryercouldmakewarpopentowhatthedirectionofweftiseasytoopenamongwarpandweft.Furthermoreexaminationisrepeatedanditcametocompletethepresentinvention.
[0008]Namely,theopeningmethodoftheglassfiberfabricheat-treatingthetextileswhichthepresentinventioncontains
(1)moistureandcontainglassfiberinatleastonecopywithacylinderdryer,
(2)Theopeningmethodoftheglassfiberfabricthedescriptiontotheabove
(1),whereinglassfiberisEglass,(3)Theabove
(1),whereinacylinderdryerconsistsoftwoormorecylinders,ortheopeningmethodoftheglassfiberfabricthedescriptionto
(2),(4)Theskintemperatureoftwoormorecylindersisrelatedwiththeabove(3)beingatemperaturedifferent,respectively,withouttheopeningmethodoftheglassfiberfabricadescription.
[0009]
[Modeforcarryingouttheinvention]Theopeningmethodofthepresentinventionmakesitthefeaturetoheat-treatthetextileswhichcontainglassfiberinatleastonecopywithacylinderdryer.Aslongasitissatisfyingeventheserequirements,itmaybewhatkindofform.Apreferablemodeisdescribedbelow.
[0010]Althoughtheglassfiberinparticularusedforthepresentinventionisnotlimited,glassfibers,suchasEglass,Dglass,Tglass,Cglass,andHglass,arementioned,forexample.Theseglassfiberscouldbemanufacturedinaccordancewiththepubliclyknownmanufacturingmethod,andevenifacommercialitemisusedforthem,theyarenotcaredabout.Especially,especiallyapreferablethingisEglassfiber.
[0011]Theglassfiberfabricofthepresentinventionmaybecontainingfibersotherthanglassfiber.Forexample,organicsynthesisfibers,suchasinorganicfibers,forexample,anaromaticpolyamidefiber,suchascarbonfiberorceramicfiber,oranaromaticpolyesterfiber,etc.aremadeintowarporweft,andthecasewhereglassfiberisusedasweftorwarpetc.arementioned.Forexample,alsoasforfibersotherthantheglassfibermixed,sincedimensionalstabilityandheatresistancearerequiredwhenproducingaprinted-circuitboard,itispreferabletohavedimensionalstabilityandheatresistance.
[0012]Thewarporweftwhichconstitutestheglassfiberfabricusedbythepresentinventionmaytakewhatkindofform.Thatis,asinglefiber(monofilament)maybesufficientanditmaybetheyarn(itisalsocalledastrand)producedbydoublingtwoormoremonofilaments.Especiallyinthecaseofaglassfiberfabric,itispreferabletousetheyarnwhichbundledaboutabout50-400monofilamentsofaboutabout3-13micrometersindiameterglassfiber.
[0013]Thewarporweftwhichconstitutestheglassfiberfabricusedbythepresentinventionmayrequirethetwist.Asatwist,anyofleft-handlayorZtwistmaybesufficient,andthenumberoftwists,Forexample,byformingintolow**thetwist(0.7to1.0times/(inch))ofglassfiberyarnbywhichnormaluseiscarriedout,Thatis,athreadwidthspreadseasilyandbecomeseasiertoformthestructurewherethethreadtowhichwarpandweftareadjacenttowassubstantiallyarrangedwithoutthegap,bymaking[inch]preferablethenumberoftwistsofglassfiberyarnin0to0.3times/0.5orlesstimes/inch.Byusingalowtwistedyarn,threadflattens,thesectionalshapeofthreaditselfapproachestheformofaplatefromellipticalform,anditbecomesuniform[distributionoftheglassfiberinaglassfiberfabric]more[it].
[0014]Asforthewarpwhichpulledanduniformlyalignedtwoormoresinglefibers,andwasformed,itispreferablethatwarpingprocessingisgiven.Thiswarpingprocessingmaybeperformedinaccordancewithapubliclyknownmethod.Themethodshownin Fig.1 ismentionedasonepreferablemodeofthismethod.Forexample,accordingtoanumber,length,width,etc.ofthesinglefiberdesignedtoproduceadesiredglassfiberfabric,thewarpFisrolledroundtothewarper'sbeam67byequaltension.ThiswarpFisdippedinthesizingagent64inthepastebathtub63,thewarpFispulledoutbyfixedtension,theinsideofthesizingagent64ispassed,andthesizingagent64issufficientlyinfiltratedintothewarpF.Subsequently,withthediaphragmroll65,anexcessivesizingagentissqueezedout,anditdriesbythedrypart66,itrollsroundontheweavingroll68forweavingaglassfiberfabric,andwarpingprocessingiscompleted.Althoughacylinderdryerisused,itisnotusuallylimitedinparticulartothedrypart66.
[0015]Thewarpandweftwhichwereobtainedareusedandaglassfiberfabriciswoven.Especiallyasaweavingmethod,itmaynotbelimited,forexample,aplainweave,twill,twillweave,lenoweave,satin,******,or******maybewhatkindofthing.Especially,itispreferablethatitisaplainweave.weaving--theverything,suchasforexample,ajetloom(anairjetweavingmachine,awaterjetloom),theSulzerloom,oraREPIYAloom,--theverything,suchasusingapubliclyknownloom,--inaccordancewithapubliclyknownmethod,itcancarryouteasily.
[0016]Inparticularasforthenumberofyarnsperinchatthetimeofweavingaglassfiberfabric,warpandweftarenotlimited.However,asforthenumberofyarnsperinch,itispreferablethatitisaboutabout10-60[/25mm]becauseoftheopeningtreatmentperformedlater,anditisaboutabout30-50[/25mm]morepreferably.Thenumberofyarnsperinchisanumberofthelineofthreadwhichexistsin25mmofglassfiberfabricfourquarters.Althoughaportionwithoutthewarpcalledabasketholeandtheglassfiberyarnsurroundedbyweftexistsinthewovenstage,byperformingopeningtreatment,theabundanceofthisbasketholebecomeslowandafabricsurfacebecomessmooth.Therefore,itispreferablethatthebasketholeexistsinthetextilesimmediatelyafterweavingconcerningthepresentinvention,andsincethelineofthreadwhichconstitutestextilesfromtextileswiththelargenumberofyarnsperinchinwhichabasketholehardlyexistsisnotopenedsubstantially,itisnotpreferableonthecontrary.
[0017]Thetextilesimmediatelyafterweavingwhichwereandwentuparealsocalledgraygoods.Theglassfiberfabricofagray-goodsstatemaybeusedasarawmaterialofthepresentinventionmethod.Inthemanufacturingprocessoftheusualglassfiberfabric, althoughtheprocessofremoving
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