Mu mikorere yo gusiga ifu, ikwirakwizwa ry'ingufu z'uduce tugera kuri iyo miterere ni ikintu cy'ingenzi bigira ingaruka ku mikurire ya firime, imiterere mito, gufatana, ubucucike, imbaraga zisigaye, ndetse n'imikorere y'urupapuro. Byaba birimo gusuka kwa magnetron, gushyira arc cathodic, evaporation ya electron-beam, cyangwa izindi koranabuhanga za PVD, imiterere y'ingufu z'uduce tugera kuri substrate igira ingaruka ku buryo firime ikura kandi igatera imbere.
Kubwibyo, ubwiza bw'igitambaro ntibushobora gupimwa hashingiwe gusa ku gipimo cyo gushyiramo cyangwa ubugari bwa firime. Gusobanukirwa no kugenzura ikwirakwizwa ry'ingufu z'uduce ni ingenzi cyane kugira ngo hagerwe ku miterere ihamye ya firime no ku musaruro uhoraho.
1. Gukwirakwiza ingufu z'uduce mu gusiga irangi ry'amashanyarazi ni iki?
Mu gihe cyo gutwikira ibintu mu buryo bw'umwuka, atome, iyoni, molekile, n'izindi nyamaswa zikomoka ku kintu cyagenewe cyangwa isoko y'umwuka zinyura mu cyumba cy'umwuka zigana ku gice cy'umwuka. Utu duce ntabwo ari ngombwa ko tugera ku gice cy'umwuka gifite ingufu zimwe za kinetic. Ahubwo, dukora ikwirakwizwa ry'ingufu.
Ikwirakwizwa ry’ibicuruzwa riterwa n’ibintu nk’ikoranabuhanga ryo gushyiramo ibintu, imbaraga zo kubisohora, umuvuduko w’akazi, ibikoresho bigamije, imiterere ya gazi, imiterere y’ibintu bikomoka ku butaka, intera iri hagati y’isoko n’ibintu bikomoka ku butaka, n’imiterere ya plasma.
Urugero, mu gukurura magnetron, iyoni zifite ingufu ziva muri plasma zitera ikintu kigamije hanyuma zigasohora atome zigamije. Izi nyoni zijugunywa hanyuma zijya kuri substrate, aho zihurizwa hamwe zigakora igitambaro. Mu gukurura arc cathodic, igice kinini cy'amazi yashyizwemo kigizwe n'ubwoko bw'icyuma gifite iyoni nyinshi gifite ingufu nyinshi za kinetic. Mu gukurura ubushyuhe, ubwoko bw'umwuka ni atome zidafite aho zibogamiye zifite ingufu nke za kinetic.
Iri tandukaniro mu ngufu z'uduce ni imwe mu mpamvu z'ingenzi zituma ikoranabuhanga ritandukanye ryo gusiga irangi rishobora gukora imiterere n'imiterere bitandukanye bya firime.
2. Uburyo ingufu z'uduce duto zigira ingaruka ku mikurire ya filime
Iyo uduce twashyizwe mu bubiko bw'isi tugeze ku buso bwa substrate, ingufu zacyo zigena uburyo zikorana n'ubuso ndetse n'atome zari zarashyizwe mu bubiko mbere.
Iyo uduce duto dufite ingufu nke, amoko agera aho atuye aba afite ubushobozi buke bwo kugenda. Ashobora kuguma hafi y’aho agwa mbere, bigatuma imiterere y’uturemangingo ifunguye cyangwa ifite imyenge. Mu bihe bimwe na bimwe, ibi bishobora gutuma inkingi zikura, ubwiyongere bw’ubusa, ndetse n’ubucucike buke bwa firime.
Uko ingufu z'uduce twinshi ziyongera, kugenda kw'ubuso n'ubuso hafi y'ubuso bishobora kwiyongera. Atome na iyoni zashyizwemo zishobora kwimukira ahantu heza cyane, bigatuma ubuso bukwirakwira, imiterere y'uturemangingo, n'ubwinshi bw'uturemangingo. Ibi bishobora gutanga imiterere mito ifite ubushobozi bwo gufatana neza no kunoza imiterere ya mekanike.
Ariko, ingufu nyinshi z'uduce ntizisobanura buri gihe imikorere myiza ya firime. Gutera ingufu nyinshi za ion bishobora gutera guhindagurika, gukora inenge, gushyuha, gutera, no kwiyongera k'umuvuduko usigaye. Kubwibyo, intego si ukugira ingufu nyinshi z'uduce gusa, ahubwo ni ugushyiraho uburyo bukwiye bwo gukwirakwiza ingufu ku duce runaka no ku buryo bwo gutwikira.
3. Isano iri hagati y'ingufu z'uduce duto n'ubucucike bwa firime
Ubucucike bwa filime bufitanye isano rya hafi n'ingufu zitangwa kuri filime iri gukura.
Mu buryo bwinshi bwa PVD, kutagira ingufu nyinshi bishobora gutuma habaho irangi rifite imiterere mito idafite imbaraga. Imbibi z'imyanda n'imipaka hagati y'inkingi zishobora gutanga inzira z'ubushuhe cyangwa imashini zikoresha ibyuma byangiza kwinjira muri firime, bikaba byagabanya ubudahangarwa bw'ingufu no kudahungabana igihe kirekire.
Gutera iyoni mu buryo buciriritse bishobora kongera uburyo adatome igenda kandi bigateza imbere imiterere ya filime ikomeye. Ibi ni ingenzi cyane cyane ku bikorwa bisaba ubukana bwinshi, kudashira, imikorere y'urutare, cyangwa imiterere idahindagurika y'urumuri.
Urugero, mu gukurura magnetron, kongera imbaraga cyangwa gukoresha substrate bias ikwiye bishobora kongera ingufu za iyoni n'izindi nyamaswa zikoresha ingufu zigera kuri substrate. Ariko, ingaruka nyazo ziterwa n'ibidukikije byose bya plasma aho guterwa n'uburyo bumwe bwo gukora. Igitutu cy'akazi, intera iri hagati ya target na substrate, imiterere ya rukuruzi, n'imiterere ya gaze byose bigira ingaruka ku ikwirakwizwa ry'ingufu.
Kubwibyo, imbaraga zimwe cyangwa ingufu zimwe zishingiye ku bias ntabwo ari ngombwa ko habaho ikwirakwizwa ry’ingufu zimwe ku buryo butandukanye bwo gusiga.
4. Ingufu z'uduce duto n'uburyo bwo gupfuka
Gufatana kw'ipamba ni ikindi kintu cy'ingenzi giterwa n'ingufu z'uduce duto.
Mu gihe cyo gushyiramo irangi, irangi rikoresha ingufu rishobora kongera uburyo bwo kuvanga irangi no kunoza uburyo rihuza firime n'irangi. Gutera irangi rikwiye bishobora kandi gukuraho imyanda idafatanye neza no gukora ku buso bw'irangi mbere no mu gihe cyo gukura kwa firime.
Iyi ni imwe mu mpamvu zituma gushushanya iyoni no gushushanya substrate bikoreshwa cyane mu mikorere ya PVD.
Ariko, ikwirakwizwa ryinshi rya ion rishobora kugira ingaruka zitandukanye. Ingufu nyinshi zishobora gutera inenge ku rubuga, zigatera stress nyinshi, zangiza substrates zishobora kwangiza ubushyuhe, cyangwa zigatera guhindagurika cyane. Ku bya pulasitiki, ibice by'urumuri, n'ibindi bikoresho bishobora kwangirika n'ubushyuhe, kugenzura ingufu za ion ni ingenzi cyane kuko substrate ishobora kuba ifite ubushobozi buke bwo kwihanganira ubushyuhe n'imikorere ya mashini.
Bityo rero, gufatana neza si ikibazo cyo gukoresha ingufu nyinshi zishoboka. Ingufu za iyoni zigomba guhuzwa n'ibikoresho bya substrate, imiterere ya mbere yo kuvurwa, imiterere yo gusiga, n'imiterere ya firime ikenewe.
5. Ingaruka ku muvuduko wa firime n'imiterere mito
Ingufu z'uduce duto zigira ingaruka zikomeye ku muvuduko w'umubiri uri mu gipfundikizo.
Iyo ioni zikoresha ingufu zitera firime ikura, zishobora gutuma atome zisohoka kandi zigahindura imiterere y’ibikoresho byabitswe. Mu bihe bikwiye, ibi bishobora kongera ubucucike bwa firime no kunoza imikorere ya mashini. Ariko, gutera firime nyinshi bishobora gutera stress nyinshi isigaye.
Gusigara cyane bishobora gutera gucika kw'igitambaro, gucikamo ibice, guhinduka kw'ibara, cyangwa kudahinduka kw'ishusho, cyane cyane iyo igitambaro kinini gishyizwemo.
Bityo rero, isano iri hagati y’ingufu z’uduce duto n’ingufu zisigaye ntabwo ari umurongo ugororotse. Biterwa n’ikigereranyo cy’ingufu za ion-to-atome, ingufu za ion, ubushyuhe bwa substrate, igipimo cy’ingufu, imiterere ya filime, n’imiterere rusange y’ingufu.
Ku bijyanye n'imyambaro myinshi, ingaruka ziba zikomeye kurushaho kuko buri cyiciro gishobora gusaba ingufu zitandukanye kugira ngo kibone imiterere mito n'ubwiza bw'aho giherereye.
6. Ingufu z'uduce duto mu gusukamo kwa Magnetron no gusigamo arc ya Cathodic
Ikoranabuhanga rya PVD ritandukanye mu buryo busanzwe ritanga ingufu zitandukanye.
Mu gukurura magnetron, atome nyinshi zirimo gukurura ziba zifite aho zibogamiye, mu gihe igice gito cya iyoni zifite ingufu n'izindi plasma bigira uruhare mu gukura kwa filime. Ikwirakwizwa ry'ingufu rishobora guterwa n'umuvuduko w'akazi, imbaraga zo gusohora, imiterere y'ubutaka bwa rukuruzi, imiterere y'umubumbe wa rukuruzi, na geometry y'ikigega cyo kuva kuri substrate kugera kuri target.
Mu gihe cy’umuvuduko mwinshi w’imikorere, gukubitana mu maraso bishobora gutera gukwirakwira kenshi no gutakaza ingufu mbere yuko uduce tugera kuri substrate. Mu gihe cy’umuvuduko muto, uduce dushobora kugenda mu buryo bworoshye, bigatuma igice kinini cy’ubwoko bufite ingufu nyinshi kigera kuri substrate.
Mu gushyira arc ya cathodic, vapor flux ikubiyemo igice kinini cy’ubwoko bw’ibyuma bya ionized bifite ingufu nyinshi za kinetic. Ibi bitanga ion nyinshi mu gihe cyo gukura kwa filime kandi bishobora gutanga irangi rikomeye kandi rikomeye rifite ubushobozi bwo gufatana neza. Muri icyo gihe, ibidukikije bya plasma bifite ingufu nyinshi bisaba kugenzura neza substrate bias, arc current, magnetic filtering, na macroparticle generation kugira ngo hagerwe ku bwiza bukenewe ku buso.
Izi tandukaniro zigaragaza ko ikwirakwizwa ry'ingufu z'uduce duto rifitanye isano ya hafi n'imiterere y'ibanze ya buri koranabuhanga ryo gusiga ifu.
7. Akamaro ko gutandukanya ibintu mu buryo busanzwe
Voltage ya bias ya substrate ni imwe mu ngingo zikoreshwa cyane mu guhindura ingufu za iyoni kuri substrate.
Gukoresha uburyo bwo gutandukanya ibintu n’ibintu biva mu maraso bikurura iyoni nziza ziva mu maraso zijya mu gice cy’ubutaka, bikongera uburyo iyoni ikwirakwira mu gihe cyo gushyiramo ibintu. Mu guhindura imiterere y’uburyo bwo gutandukanya ibintu, ingufu zitangwa kuri firime ikura zishobora kugenzurwa mu rugero runaka.
Uburyo bukwiye bwo gutandukanya ibice bushobora kongera ubucucike bwa firime, gufatana, gukomera, no guhuza imiterere ya mikoro. Ariko, uburyo bukabije bwo gutandukanya ibice bushobora kongera imbaraga n'umuvuduko usigaye cyangwa kwangiza substrate.
Kubera iyo mpamvu, ingufu z’amashanyarazi ntizigomba gufatwa nk’ibipimo byihariye. Ingaruka zabyo zigomba kurebwa hamwe n’umuvuduko w’akazi, ubucucike bwa plasma, igipimo cyo gushyiramo, imbaraga z’intego, ubushyuhe bwa substrate, n’ibikoresho byo gutwikira.
Ku bintu bishobora kwitabwaho n’ubushyuhe nka pulasitiki y’ubuhanga, polimeri z’urumuri, n’ibice by’ikoranabuhanga, kugenzura neza ingufu za iyoni ni ingenzi cyane.
8. Gukwirakwiza ingufu z'uduce duto n'uburyo umusaruro uhoraho
Mu igerageza ryo gusiga ku rwego rwa laboratwari, birashoboka kubona imikorere myiza ya filime binyuze mu guhindura inshuro nyinshi ibipimo by'imikorere ya buri kimwe. Ariko, mu musaruro mwinshi, ikibazo ni ugukomeza ibidukikije bimwe by'ingufu z'uduce kuva ku itsinda rimwe kugeza ku rindi.
Impinduka mu muvuduko w'icyumba, imiterere y'intego, impedance ya plasma, umutwaro wa substrate, imikoreshereze y'intego, n'imiterere y'ibikoresho bishobora guhindura imiterere ya plasma bityo bigahindura ikwirakwizwa ry'ingufu zigera mu bice bitandukanye by'ibikoresho.
Ibi bishobora gutuma habaho ihinduka ry’ubugari bwa firime, ubucucike, ibara, ubukomere, gufatana, n’imikorere y’urumuri.
Ku bikoresho byo gusiga irangi mu nganda, kugenzura uburyo ibintu bikorwamo mu buryo buhamye bisaba ibirenze gusa kubungabunga igitutu n'agaciro k'ingufu. Ibidukikije bya plasma, flux ya iyoni, bias ya substrate, geometry ya deposition, n'imiterere y'aho ibintu bikomoka bigomba kugenzurwa nk'igice cy'idirishya ry'uburyo ibintu bikorwamo mu buryo buhuriweho.
Ku bice by’ingenzi bifite imiterere itatu, ibintu birushaho kuba ingorabahizi kuko ubuso butandukanye bushobora kugira inguni zitandukanye z’impanuka n’ihindagurika ry’uturemangingo. Igishushanyo gikwiye cy’ibikoresho, kuzunguruka kw’ibikoresho, imiterere y’isoko, no kunoza imikorere ni ingenzi kugira ngo hakomeze kubaho irangi ringana.
9. Uburyo bwo kugenzura ingufu z'uduce duto mu buryo bwo gusiga ifu mu nganda
Mu gukora PVD mu buryo bufatika, ingufu z'uduce duto zigomba kugenzurwa hakurikijwe imiterere y'igitambaro aho kugenzurwa cyane nta guhitamo.
Uburyo bukwiye bwo gukora ibintu bushyirwaho muri rusange binyuze mu guhuza umuvuduko w'akazi, imbaraga zo gusohora, uburinganire bw'ibintu mu buryo bwa substrate, ubucucike bwa plasma, urujya n'uruza rwa gaze, ubushyuhe bw'ibintu mu buryo bwa substrate, igipimo cyo gushyiramo ibintu mu buryo bwa substrate, hamwe n'imiterere y'isoko kuva kuri substrate kugera kuri substrate.
Ku bijyanye n'imitako, gutera cyane iyoni bishobora kongera kwangirika k'ubuso cyangwa gusigara k'umuvuduko, mu gihe ingufu nke zishobora gutuma habaho ubucucike buke cyangwa gufatana nabi. Ku bijyanye n'imitako ikomeye, ingufu nyinshi za iyoni zishobora kuba ingirakamaro mu kugera ku miterere mito y'ibintu birebire no gukomera cyane, ariko gutera cyane iyoni bishobora gutera inenge ziterwa n'imihangayiko.
Bityo rero, iterambere ry’ibikorwa rigomba kwibanda ku gushyiraho uburinganire buhamye hagati y’ingufu za iyoni, flux ya iyoni, igipimo cyo gushyiramo ibintu, n’uburyo substrate ikora.
Ku bikoresho bikoreshwa mu gukora, ibi bivuze kandi ko ubushobozi bwo gusubiramo ibikorwa, imiterere y'icyumba, ikoreshwa ry'intego, imiterere y'ibikoresho, no kugenzura ibikorwa mu buryo bwikora ni ibintu by'ingenzi mu kubungabunga ibidukikije bihamye by'ingufu z'uduce.
Ikwirakwizwa ry'ingufu z'uduce ni kimwe mu bintu by'ingenzi bigenga iterambere rya firime mu gutwikira ibintu mu buryo bw'umwuka. Bigira ingaruka ku gukwirakwira kw'ubuso, imiterere y'ingirabuzimafatizo, ubucucike bwa firime, gufatana, imiterere mito, imbaraga zisigaye, ubukana, imikorere y'urumuri, no kwizerwa igihe kirekire.
Icy'ingenzi si ukongera ingufu z'uduce twabitswe gusa, ahubwo ni ugushyiraho uburyo bukwiye kandi buhamye bwo gukwirakwiza ingufu hakurikijwe ibikoresho byo gusiga, imiterere y'ubutaka, imiterere ya firime, n'ibisabwa mu ikoreshwa.
Ku bijyanye n'umusaruro wa PVD mu nganda, gusobanukirwa isano iri hagati y'imiterere ya plasma, ingufu za iyoni, imiterere y'ibice bya substrate, umuvuduko w'imikorere, n'uburyo bwo gukura kwa firime bituma abahanga mu gusiga irangi bashobora kurenga uburyo bworoshye bwo guhindura ibipimo no guteza imbere inzira ikomeye. Ibi ni ingenzi cyane cyane iyo uvuye ku bipimo bya laboratwari ujya ku musaruro uhamye kandi usubiramo.
-Iyi nkuru yasohotse nauruganda rukora ibikoresho byo gusiga irangi ry'umwukaZhenhua Vacuum
Igihe cyo kohereza ubutumwa: Nzeri-03-2026