I-HDI eyimpumputhe futhi engcwatshwe ngamabhodi wesekethe isetshenziswe kabanzi emikhakheni eminingi ngenxa yezimpawu zayo, njengokuminyana kwezintambo okuphezulu nokusebenza okungcono kagesi. Kusukela kuma-electronics abathengi njengama-smartphones namaphilisi kuya kumishini yezimboni enezidingo eziqinile zokusebenza ezifana ne-automotive electronics kanye neziteshi eziyisisekelo zokuxhumana, i-HDI ingaboni futhi ingcwatshwe ngamabhodi wesekethe ibalulekile, futhi ububanzi bomugqa nokunemba kwezikhala zemigqa, njengento ebalulekile ethinta ukusebenza kwayo, inezindinganiso eziqinile nezinemininingwane.
一、 Ukubaluleka kobubanzi bomugqa nokunemba kwesikhala somugqa
Umthelela wokusebenza kukagesi: ububanzi bomugqa buhlobene ngokuqondile nokumelana nocingo, ukumelana nobubanzi bomugqa obanzi kuncane, kungathwala okuningi kwamanje; Ibanga lomugqa lithinta i-capacitance kanye ne-inductance phakathi kwemigqa. Kumjikelezo wemvamisa ephezulu, uma ububanzi bomugqa kanye nokunemba kwebanga lomugqa kunganele, ukuguqulwa kwe-capacitance kanye ne-inductance kuzodala ukulibaziseka nokuhlanekezela kunqubo yokudlulisa isignali, okuthinta kakhulu ubuqotho besignali. Isibonelo, ebhodini lesifunda se-HDI esiyimpumputhe esingcwatshwe imbobo yemishini yokuxhumana ye-5G, izinga lokudlulisela isignali liphezulu kakhulu, futhi ukuchezuka kobubanzi bomugqa omncane kanye nebanga lomugqa kungase kwenze isignali ingakwazi ukudluliselwa ngokunembile, okuholela ekwehleni kwekhwalithi yokuxhumana.
Ukuminyana kwezintambo kanye nokusetshenziswa kwesikhala: Enye yezinzuzo zamabhodi wesifunda wembobo eyimpumputhe ye-HDI ukuminyana okuphezulu. Ububanzi bomugqa wokunemba okuphezulu kanye nesikhala somugqa kungahlela imigqa eminingi endaweni elinganiselwe ukuze kuzuzwe imisebenzi yesekethe eyinkimbinkimbi. Ukuthatha i-motherboard ye-smartphone njengesibonelo, ukuze kuhlaliswe inani elikhulu lama-chips, izinzwa nezinye izingxenye ze-elekthronikhi, inani elikhulu lezintambo lidinga ukugcwaliswa endaweni encane kakhulu. Kuphela ngokulawula ngokuqinile ububanzi bomugqa kanye nokunemba kwebanga lomugqa singakwazi ukufinyelela izintambo ezisebenza kahle endaweni encane, sithuthukise ukuhlanganiswa kwebhodi lomama, futhi sihlangabezane nezidingo ezicebile zomakhalekhukhwini.
二、Inani elijwayelekile elijwayelekile lobubanzi bomugqa nokunemba kwebanga lomugqa
Izinga elijwayelekile lemboni: Ekwenziweni kwebhodi lesekethe yembobo eyimpumputhe ye-HDI evamile, ububanzi obuncane obujwayelekile bomugqa bungafinyelela ku-3-4mil (0.076-0.10mm), kanti nebanga eliphansi lomugqa nalo lingaba ngu-3-4mil. Kwezinye izimo zohlelo lokusebenza ezingafuneki kangako, njengamabhodi okulawula okungewona abalulekile ku-elekthronikhi evamile yabathengi, ububanzi bomugqa nesikhala somugqa singaxegiswa sibe ngu-5-6mil (0.127-0.152mm). Kodwa-ke, ngenqubekelaphambili eqhubekayo yobuchwepheshe, ububanzi bomugqa kanye nokunemba kwebanga lomugqa wamabhodi wesifunda se-HDI asezingeni eliphezulu athuthuka ngendlela encane. Isibonelo, amanye ama-substrates okupakisha ama-chip athuthukile, ububanzi bomugqa kanye nebanga lomugqa sekufinyelele ku-1-2mil (0.025-0.051mm) ukuze kuhlangatshezwane nezidingo zokudlulisa isignali zesivinini esikhulu kanye nokuminyana okuphezulu ngaphakathi kwe-chip.
Umehluko ojwayelekile emikhakheni ehlukene yohlelo lokusebenza: Emkhakheni wezogesi zezimoto, ngenxa yezidingo eziphezulu zokuthembeka kanye nendawo yokusebenza eyinkimbinkimbi (njengezinga lokushisa eliphezulu, ukudlidliza okuphezulu, njll.), ububanzi bomugqa kanye namazinga okunemba kwebanga lomugqa we-HDI yamabhodi esekethe angcwatshwe angaboni aqine kakhulu. Isibonelo, ibhodi lesifunda elisetshenziswa kuyunithi yokulawula injini yezimoto (ECU), ububanzi bomugqa kanye nokunemba kwebanga lomugqa ngokuvamile kulawulwa ku-4-5mil ukuze kuqinisekiswe ukuzinza nokuthembeka kokudluliswa kwesignali ezindaweni ezinokhahlo. Emkhakheni wemishini yezokwelapha, njengebhodi lesifunda le-HDI emshinini we-magnetic resonance imaging (MRI), ukuze kuqinisekiswe ukutholwa kwesignali enembile nokucutshungulwa, ububanzi bomugqa kanye nokunemba kwebanga lomugqa kungase kufinyelele ku-2-3mil, okubeka izidingo eziphakeme kakhulu kwinqubo yokukhiqiza.
三、 Izinto ezithinta ububanzi bomugqa nokunemba kwebanga lomugqa
Inqubo yokukhiqiza: inqubo ye-lithography iyisixhumanisi esiyinhloko sokunquma ububanzi bomugqa kanye nokunemba kwebanga lomugqa. Enqubweni ye-lithography, ukunemba komshini wokuchayeka, ukusebenza kwe-photoresist kanye nokulawulwa kwenqubo yokuthuthukiswa kanye ne-etching kuzothinta ububanzi bomugqa kanye nebanga lomugqa. Uma ukunemba komshini wokuchayeka kunganele, iphethini yokuchayeka ingase icheme, futhi ububanzi bomugqa nebanga lomugqa ngemva kokubhala kuzochezuka enanini lokuklama. Enqubweni yokushumeka, ukulawulwa okungalungile kokugxilisa ingqondo, izinga lokushisa kanye nesikhathi sokufaka uketshezi oluhlabayo nakho kuzodala izinkinga ezifana nobubanzi bomugqa obanzi kakhulu noma omncane kakhulu kanye nebanga lomugqa ongalingani.
Izici zezinto ezibonakalayo: I-substrate nezici ze-copper foil zebhodi lesifunda nazo zinomthelela kububanzi bomugqa kanye nokunemba kwebanga lomugqa. I-coefficient yokwandisa okushisayo yezinto ezihlukene ze-substrate ihlukile. Enkambweni yokukhiqiza, ngenxa yezinqubo eziningi zokushisa nokupholisa, uma i-coefficient yokwandisa okushisayo yezinto ezingaphansi kwe-substrate ingazinzile, ingase iholele ekuguqulweni kwebhodi lesifunda, okuthinta ububanzi bomugqa kanye nokunemba kwebanga lomugqa. Ukufana kogqinsi kwefoyili yethusi nakho kubalulekile, futhi izinga lokunamathisela kwefoyili yethusi enogqinsi olungalingani ngeke lihambisane phakathi nenqubo yokunamathisela, okuholela ekuchezukeni kobubanzi bomugqa.
四, Izindlela zokuthola nokulawula ukunemba
Ukuthola kusho: Enqubweni yokukhiqiza yebhodi lesifunda le-HDI eliyimpumputhe elingcwatshwe emgodini, izindlela ezihlukahlukene zokuthola zizosetshenziswa ukuqapha ububanzi bomugqa kanye nokunemba kwebanga lomugqa. I-Optical microscope ingelinye lamathuluzi okuhlola asetshenziswa kakhulu. Ngokukhulisa isithombe esingaphezulu sebhodi lesifunda, ububanzi bomugqa nebanga lomugqa kukalwa mathupha noma ngosizo lwesofthiwe yokuhlaziya isithombe ukuze kunqunywe ukuthi izinga liyafinyelelwa yini. I-electron