Yayin da na'urorin semiconductor ke ci gaba da raguwa yayin da suke haɗa ƙarin ayyuka, fasahar marufi tana fuskantar ƙalubalen da ba a taɓa gani ba. Rufin injin ya bayyana a matsayin babban tsari mai ba da damar yin amfani da na'urori masu haɓaka na'urori, yana tabbatar da rage yawan na'urori, mafi girman aiki, da kuma aminci na dogon lokaci. Ta hanyar amfani da dabarun injiniya masu sirara kamar disar tururi na zahiri (PVD), disar tururi na sinadarai (CVD), da disar Layer na atomic (ALD), masana'antun za su iya magance manyan buƙatu na kariyar shinge, aikin lantarki, da sarrafa zafi a cikin kwakwalwan zamani.
Kalubalen da Aka Fi Sani a Fakitin Semiconductor
Marufi na SemiconductorBa wani mataki ne mai sauƙi na kariya ba, amma mataki ne mai matuƙar muhimmanci ga aiki. Kalubalen da aka saba fuskanta sun haɗa da:
Danshi da Iskar Oxygen
Na'urorin da aka lulluɓe suna da matuƙar saurin kamuwa da muhalli. Ko da ƙananan matakan danshi ko yaduwar iskar oxygen na iya haifar da tsatsa, ƙaura daga ƙarfe, ko lalacewar dielectric.
Amincin Layer na Shamaki
Man shafawa na polymer na gargajiya galibi ba sa da isasshen ƙarfin shinge. Idan ba tare da rufin siriri mai ƙarfi ba, guntu yana iya fuskantar gazawar aminci a yanayin zafi mai yawa ko yanayin zafi mai yawa.
Sauye-sauyen lantarki da kwanciyar hankali a haɗin kai
Yawan ƙarfin lantarki a cikin ƙananan ƙwayoyin cuta masu tasowa yana hanzarta ƙaura ta hanyar lantarki. Rashin mannewa ko rufin da ba shi da tsari na iya kawo cikas ga haɗin kai na tsawon rayuwa.
Iyakokin Watsar da Zafi
Yayin da ƙarfin na'urar ke ƙaruwa, rashin isasshen rufin kula da zafi na iya haifar da wuraren da ke da zafi, lalacewar aiki, da kuma rage tsawon rayuwar na'urar.
Rage Rarraba da Rufe Ra'ayin Al'amura
Tsarin marufi na zamani kamar Through-Silicon Vias (TSVs) da Through-Glass Vias (TGVs) suna buƙatar rufin da ya dace a cikin ramukan da aka haɗa da manyan fuskoki, waɗanda suka kasance babban cikas na fasaha.
Maganin Rufin Injin
1. Rufin Shafi na Danshi/Oxygen
Siraran fim ɗin SiO₂, SiNₓ, da Al₂O₃ da aka ajiye ta hanyar PVD ko ALD suna aiki azaman yadudduka na ɓoyewa na hermetic, wanda ke rage yawan watsa tururin ruwa (WVTR) sosai.
Tarin shinge masu layuka da yawa waɗanda ke haɗa layukan da ba su da tsari da kuma na gauraye suna samun ingantaccen aminci, wanda yake da mahimmanci ga kayayyaki na RF da marufi na MEMS.
2. Matakan Inganta Mannewa da Haɗawa
Layukan mannewa na Ti, Cr, ko TiN suna ƙara ƙarfin haɗin kai tsakanin layukan ƙarfe da dielectrics, suna hana wargajewa yayin zagayowar zafi.
Maganin saman plasma yana ƙara inganta jikewa da kuma fitar da fim a kan ƙananan abubuwan da ke da ƙarfin kuzari.
3. Yaɗuwa da Tsarin Ƙarfin Lantarki
Matakan shingen Ta, TaN, da Ru da aka ajiye ta hanyar amfani da magnetron sputtering suna aiki a matsayin shingen yaɗuwa masu tasiri a cikin haɗin Cu.
Waɗannan yadudduka suna rage ƙaura ta hanyar lantarki, suna kiyaye haɗin kai tsakanin na'urori a ƙarƙashin matsin lamba mai yawa na wutar lantarki.
4. Rufin Kula da Zafi
Rufin da ke ɗauke da iskar zafi mai ƙarfi kamar carbon mai kama da lu'u-lu'u (DLC) ko fina-finan AlN yana ƙara yawan fitar da zafi.
Rufin da aka ƙera yana ba da damar haɗawa cikin na'urorin semiconductor masu ƙarfi, na'urorin SiC/GaN, da kwakwalwan kwamfuta masu aiki sosai (HPC).
5. Rufin da ya dace don Tsarin Rarraba Mai Girma
ALD tana ba da iko na matakin atomic, tana tabbatar da cewa fina-finai masu tsari da marasa ramuka a cikin TSVs da TGVs tare da rabon al'amura da suka wuce 10:1.
Wannan yana da mahimmanci ga marufi na 3D IC, inda haɗin yawa da aminci ke shafar yawan amfanin ƙasa kai tsaye.
Aikace-aikacen Shari'a
Marufi na MEMS: Rufe bakin ciki mai kauri tare da tarin Al₂O₃/SiNₓ yana inganta yanayin aiki, yana tsawaita tsawon rayuwar na'urori a cikin yanayin motoci da masana'antu.
Modules na Gaban RF: Rufin shinge mai layuka da yawa yana rage ƙarfin ƙwayoyin cuta da kuma raguwar aiki da danshi ke haifarwa.
Lantarki Mai Lantarki: Rufin mai yaɗa zafi na DLC yana haɓaka watsa zafi a cikin MOSFETs na SiC, yana ba da damar ingantaccen aiki.
Haɗakarwa ta 3D: Rufin ALD mai tsari a cikin TSV/TGV yana tabbatar da inganci ta hanyar rufi da ƙarfe don na'urorin ƙwaƙwalwar ajiya mai girman bandwidth (HBM).
Fa'idodin Rufin Injin Tsafta a cikin Marufi
Babban Aminci: Babban aikin shinge da mannewa yana tabbatar da kwanciyar hankali na na'urar na dogon lokaci.
Sauƙaƙawa: Tsarin adana bayanai ta hanyar injin tsotsa yana tallafawa marufi matakin wafer (WLP) da marufi matakin panel (PLP), wanda ke ba da damar samar da kayayyaki masu inganci da araha.
Sauƙin Tsarin Aiki: Ya dace da kayan aiki daban-daban (Si, GaAs, SiC, gilashi, polymers), biyan buƙatun haɗin kai iri-iri.
Bin Ka'idojin Muhalli: Yana kawar da gurɓataccen tsari mai yawa kamar yin amfani da na'urar lantarki, daidaita shi da ƙa'idodin masana'antu masu kore.
Kammalawa
Rufin injin ya zama ginshiƙi na ci gaba a cikin marufi na semiconductor, yana magance ƙalubalen kariyar shinge, sarrafa zafi, da kuma ɗaukar nauyin babban rabo. Yayin da masana'antu ke canzawa zuwa haɗin kai daban-daban, gine-ginen chiplet, da kuma tara 3D, buƙatar adana siraran fim ɗin daidai zai ƙara ƙaruwa.
Ta hanyar ci gaba da kirkire-kirkire a cikin dandamalin PVD, ALD, da kuma dandamalin rufewa masu hade, hanyoyin rufewa ba wai kawai suna inganta aminci ba ne, har ma suna ba da damar ci gaba da marufi na semiconductor.
—An buga wannan labarin ne ta hannunkayan aikin shafa injinmasana'anta Zhenhua injin injin
Lokacin Saƙo: Satumba-27-2025