5. Delamination
Delamination ko rashin kyawun haɗin gwiwa yana nufin rabuwa tsakanin madaidaicin filastik da haɗin kayan da ke kusa.Delamination na iya faruwa a kowane yanki na na'urar microelectronic da aka ƙera;Hakanan zai iya faruwa a lokacin aikin rufewa, lokacin masana'anta bayan-encapsulation, ko lokacin amfani da na'urar.
Mummunan mu'amalar haɗin kai da aka samu sakamakon tsarin rufewa babban al'amari ne na delamination.Wuraren mu'amala, gurɓatawar saman yayin rufewa, da rashin cikawar warkewa duk na iya haifar da mummunan haɗin gwiwa.Sauran abubuwan da ke tasiri sun haɗa da raguwar damuwa da yaƙi yayin warkewa da sanyaya.Rashin daidaituwa na CTE tsakanin mai sitirin filastik da kayan da ke kusa yayin sanyaya kuma na iya haifar da matsalolin zafi-makanikanci, wanda zai iya haifar da delamination.
6. Wuta
Voids na iya faruwa a kowane mataki na tsarin rufewa, gami da canja wurin gyare-gyare, cikawa, tukwane, da buga wurin gyare-gyaren cikin yanayin iska.Ana iya rage ɓoyayyen ɓoyayyiya ta hanyar rage yawan iskar, kamar ƙaura ko ɓarna.An ba da rahoton cewa ana amfani da matsa lamba daga 1 zuwa 300 Torr (760 Torr na yanayi ɗaya).
Binciken filler yana nuna cewa shine tuntuɓar ƙasa narke gaba tare da guntu wanda ke haifar da cikas.Wani ɓangare na gaban narke yana gudana zuwa sama kuma ya cika saman rabin ya mutu ta wani babban buɗaɗɗen wuri a gefen guntu.Sabuwar narke gaba da narke gaba da aka ɗora sun shiga saman yankin rabin mutu, yana haifar da blistering.
7. Marufi mara daidaituwa
Kaurin fakitin da ba na Uniform ba zai iya haifar da yaƙe-yaƙe da lalatawa.Fasahar marufi na al'ada, kamar canja wurin gyare-gyare, gyare-gyaren matsa lamba, da fasahohin marufi, ba su da yuwuwar samar da lahani na marufi tare da kauri mara kyau.Marubucin matakin wafer yana da sauƙi musamman ga kauri mara daidaituwa na plastisol saboda halayen tsarin sa.
Domin tabbatar da kaurin hatimi iri ɗaya, mai ɗaukar wafer ya kamata a gyara shi tare da ɗan karkata kaɗan don sauƙaƙe hawan squeegee.Bugu da kari, ana buƙatar kula da matsayi na squeegee don tabbatar da tsayayyen matsa lamba don samun kauri iri ɗaya.
Abubuwan da aka haɗa da abubuwa daban-daban ko marasa daidaituwa na iya haifarwa lokacin da barbashi na filler suka tattara a cikin wuraren da aka keɓance na fili na gyare-gyaren kuma su samar da rarraba mara daidaituwa kafin taurin.Rashin isassun hadawa na filastik sealer zai haifar da faruwar nau'ikan inganci daban-daban a cikin tsarin rufewa da tukwane.
8. Raw baki
Burrs sune robobin da aka ƙera wanda ke ratsa layin raba kuma ana ajiye shi akan fitilun na'urar yayin aikin gyare-gyaren.
Rashin isasshen matsa lamba shine babban dalilin burrs.Idan ragowar kayan da aka ƙera akan fil ɗin ba a cire su cikin lokaci ba, zai haifar da matsaloli daban-daban a cikin matakin taro.Misali, rashin isassun haɗin gwiwa ko mannewa a matakin marufi na gaba.Ruwan guduro shine mafi ƙarancin nau'in burrs.
9. Barbashi na waje
A cikin tsarin marufi, idan an fallasa kayan marufi zuwa gurɓataccen yanayi, kayan aiki ko kayan, ƙwayoyin waje za su bazu a cikin kunshin kuma su tattara akan sassan ƙarfe a cikin kunshin (kamar IC chips da abubuwan haɗin gubar), suna haifar da lalata da sauran su. matsalolin aminci na gaba.
10. Maganin rashin cikawa
Rashin isasshen lokacin warkewa ko ƙarancin zafin jiki na iya haifar da rashin cikakkiyar warkewa.Bugu da kari, ƴan sauye-sauye a cikin ma'aunin haɗaɗɗiyar tsakanin masu haɗawa guda biyu zai haifar da rashin cikakkiyar warkewa.Don ƙara yawan kaddarorin kayan aikin, yana da mahimmanci don tabbatar da cewa an warke gabaɗaya.A yawancin hanyoyin rufewa, ana ba da izini bayan warkewa don tabbatar da cikakkiyar warkar da encapsulant.Kuma dole ne a kula don tabbatar da cewa an daidaita ma'auni na encapsulant daidai.
Lokacin aikawa: Fabrairu-15-2023