Na'urorin Lantarki na Keɓaɓɓu Adhesive
Amfani da adhesives da sealant a cikin masana'antar lantarki a yanzu ya yadu kuma suna ba da gudummawa kai tsaye ba kawai ga kera kayan lantarki ba har ma da aiki na dogon lokaci da kuma tsawon rai. Manyan abubuwan da ake amfani da mannewa a cikin masana'antar lantarki sun haɗa da haɗa abubuwan haɗin saman-Mount (SMCs), tacking waya da tukwane ko haɗa abubuwan haɗin gwiwa. Tushen ginin masana'antar lantarki shine bugu na allon waya ko kuma, kamar yadda aka fi kira da shi, bugu na allo (PCB). PCB na yin amfani da kayan mannewa a haɗa abubuwan haɗin saman-Mount, tacking waya, kayan kwalliyar kwamfyuta da kuma abubuwan da aka haɗa (potting).
Dole ne a yi la'akari da matakan sarrafawa daban-daban guda uku yayin zabar abin da ake amfani da shi don kayan lantarki (ko kowane irin) aikace-aikace: lokacin da ba a warke ba ko na ruwa-ruwa, lokaci na warkewa (matsayi) da lokacin warkewa ko ƙaƙƙarfan kayan abu.
Ayyukan mannen da aka warke shine a ƙarshe mafi mahimmanci saboda yana rinjayar aminci.
Har ila yau, hanyar yin amfani da manne yana da mahimmanci, musamman saboda buƙatar tabbatar da cewa an yi amfani da daidaitattun adadin a daidai wuri.
Manyan hanyoyin da ake amfani da adhesives a aikace-aikacen na'urorin lantarki sune bugu na allo (matse manne ta hanyar alamu a cikin allo), canja wurin fil (ta amfani da grid multi-pin wanda ke isar da sifofin mannewa zuwa allo) da aikace-aikacen sirinji (wanda a ciki akwai hotuna na mannewa). isar da sirinji mai daidaita matsi). Aikace-aikacen sirinji tabbas hanya ce mafi shahara, yawanci ta hanyar sirinji masu sarrafa huhu don matsakaicin samarwa na nau'ikan PCB daban-daban.
Yanzu za a yi la'akari da nau'ikan nau'ikan manne.
Ta hanyar dabi'arsu, yawancin manne, duka na halitta da kuma inorganic, ba su da wutar lantarki. Wannan ya shafi manyan nau'ikan da ake amfani da su a aikace-aikacen lantarki kamar epoxies, acrylics, cyanoacrylates, silicones, urethane acrylates da cyanoacrylates. Koyaya, a cikin aikace-aikace da yawa, gami da haɗaɗɗun da'irori da na'urorin Dutsen sama, ana buƙatar adhesives masu sarrafa wutar lantarki.
Hanyar da aka saba jujjuya manne mara amfani zuwa kayan aikin lantarki shine ƙara filler mai dacewa zuwa kayan tushe; yawanci na karshen shine resin epoxy.
Filayen filaye na yau da kullun da ake amfani da su don ba da wutar lantarki sune azurfa, nickel da carbon. Azurfa ita ce aka fi amfani da ita. Adhesives masu gudanar da kansu ko dai a cikin ruwa ne ko riga-kafi (fina-finai masu ƙarfafawa sun mutu-yanke kafin haɗawa da siffar da ake buƙata).
Akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan lantarki - isotropic da anisotropic. Anisotropic adhesives suna gudanar da kowane kwatance amma mannen isotropic yana gudana a tsaye (z-axis) shugabanci kawai kuma ta haka ne uni-directional.
Adhesives na isotropic suna ba da rancen haɗin kai zuwa layi mai kyau. Ya kamata a lura cewa, masu amfani kamar yadda adhesives ke aiki, ba za a iya 'zuba su cikin' kawai azaman madadin solder ba. Ba su da kyau tare da tin (ko tincontaining alloys) ko tare da aluminum, ko kuma inda akwai manyan gibi ko kuma inda za a iya fallasa su ga yanayin rigar (damp, m) a cikin sabis.
Adhesives masu sarrafa wutar lantarki
Ta hanyar dabi'arsu, yawancin manne, duka na halitta da kuma inorganic, ba su da wutar lantarki. Wannan ya shafi manyan nau'ikan da ake amfani da su a aikace-aikacen lantarki kamar epoxies, acrylics, cyanoacrylates, silicones, urethane acrylates da cyanoacrylates. Koyaya, a cikin aikace-aikace da yawa, gami da haɗaɗɗun da'irori da na'urorin Dutsen sama, ana buƙatar adhesives masu sarrafa wutar lantarki.
Hanyar da aka saba jujjuya manne mara amfani zuwa kayan aikin lantarki shine ƙara filler mai dacewa zuwa kayan tushe; yawanci na karshen shine resin epoxy.
Filayen filaye na yau da kullun da ake amfani da su don ba da wutar lantarki sune azurfa, nickel da carbon. Azurfa ita ce aka fi amfani da ita.
Adhesives masu gudanar da kansu ko dai a cikin ruwa ne ko riga-kafi (fina-finai masu ƙarfafawa sun mutu-yanke kafin haɗawa da siffar da ake buƙata).
Akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan lantarki - isotropic da anisotropic. Anisotropic adhesives suna gudanar da kowane kwatance amma mannen isotropic yana gudana a tsaye (z-axis) shugabanci kawai kuma ta haka ne uni-directional.
Adhesives na isotropic suna ba da rancen haɗin kai zuwa layi mai kyau. Ya kamata a lura cewa, masu amfani kamar yadda adhesives ke aiki, ba za a iya 'zuba su cikin' kawai azaman madadin solder ba. Ba su da kyau tare da tin (ko tincontaining alloys) ko tare da aluminum, ko kuma inda akwai manyan gibi ko kuma inda za a iya fallasa su ga yanayin rigar (damp, m) a cikin sabis.
Thermal conductive adhesives
Rarraba na'urorin lantarki na iya haifar da matsalolin haɓakar zafi, wanda zai iya haifar da gazawar kayan aikin lantarki da wuri idan iyakar zafin aikin su ya wuce. Ana iya amfani da manne mai ɗaukar zafi don samar da hanya mai ɗaukar zafi, ɗaure transistor, diodes ko wasu na'urorin wuta zuwa wuraren da suka dace don tabbatar da irin wannan haɓakar zafi ba ya faruwa.
Karfe (electrically conductive) ko kuma wadanda ba na karfe (insulating) foda suna gauraya su a cikin tsarin mannewa don yin babban danko (manna) adhesives, wanda ke da zafi sosai (idan aka kwatanta da adhesives marasa cika). Mafi na kowa tsarin kula da thermal ana tsara su da epoxy, silicone da acrylics.
Adhesives na ultraviolet
Ana amfani da adhesives, sutura da kuma encapsulants a cikin masana'antun masana'antu na lantarki tare da karuwa mai yawa saboda sun cika bukatun kayan aiki da aiki a cikin wannan masana'antu. Waɗancan abubuwan sun haɗa da buƙatun muhalli (masu lalata muhalli da abubuwan da ba a buƙata ba), haɓakar masana'anta da farashin samfur. Adhesives masu yin haske suna da sauƙi don amfani, kuma ana saurin warkewa ba tare da buƙatar haɓakar zafin jiki ba.
Adhesives yawanci tsarin acrylic ne kuma sun ƙunshi masu ƙaddamar da hoto waɗanda, lokacin da hasken ultraviolet ke kunna su, suna samar da radicals kyauta don fara aiwatar da tsarin polymer-forming (curing). Hasken ultraviolet dole ne ya iya shiga cikin resin da ba a warkewa ba - koma baya na adhesives masu haske. Adadin guduro mai launin duhu, maras isa ko kauri yana da wahalar warkewa.
