Kokubili ukwelapha kwe-UV (i-ultraviolet) kanye ne-EB (i-electron beam) kusebenzisa imisebe ye-electromagnetic, ehlukile ekwelapheni ukushisa kwe-IR (infrared). Nakuba i-UV (Ultra Violet) kanye ne-EB (I-Electron Beam) inobude beza obuhlukile, kokubili kungabangela ukuhlanganiswa kwamakhemikhali kuzinzwa zikayinki, okungukuthi, ukuphambana kwamangqamuzana aphezulu, okuholela ekwelapheni ngokushesha.
Ngokuphambene, ukwelapha kwe-IR kusebenza ngokushisisa uyinki, kukhiqize imiphumela eminingi:
● Ukuhwamuka kwenani elincane le-solvent noma umswakama,
● Ukuthambisa ungqimba lukayinki nokugeleza okukhulayo, okuvumela ukumuncwa nokomisa,
● I-oxidation yendawo ebangelwa ukushisa kanye nokuxhumana nomoya,
● Ukwelashwa ngamakhemikhali ingxenye yama-resin namafutha ane-molecular ephezulu ngaphansi kokushisa.
Lokhu kwenza i-IR yokwelapha kube inqubo yokomisa enezici eziningi futhi ingxenye, kunenqubo eyodwa, ephelele yokwelapha. Oyinki abasuselwa ekuncibilikeni bayahluka futhi, njengoba ukuphulukiswa kwabo kungu-100% kutholwa ukuhwamuka kwe-solvent esizwa ukugeleza komoya.
Umehluko Phakathi Kwe-UV kanye ne-EB Curing
Ukwelapha kwe-UV kuyahluka ekwelapheni kwe-EB ikakhulukazi ekujuleni kokungena. Imisebe ye-UV inokungena okulinganiselwe; isibonelo, ungqimba lukayinki oluwugqinsi ongu-4–5 µm ludinga ukuphulukiswa okunensayo ngokukhanya kwe-UV okunamandla aphezulu. Ayinakwelashwa ngesivinini esikhulu, njengamaphepha ayi-12,000–15,000 ngehora ekuphrinteni kwe-offset. Uma kungenjalo, indawo engaphezulu ingase ilulaphe kuyilapho ungqimba lwangaphakathi luhlala luwuketshezi—njengeqanda elingaphekiwe—okungase kubangele ukuthi indawo engaphezulu incibilike futhi inamathele.
Ukungena kwe-UV nakho kuyahluka kakhulu kuye ngombala uyinki. Oyinki beMagenta noCyan bangena kalula, kodwa oyinki Ophuzi nabaMnyama bamunca ingxenye enkulu ye-UV, futhi uyinki Omhlophe ubonisa i-UV eningi. Ngakho-ke, ukuhleleka kokufakwa kombala ekuphrinteni kuthinta kakhulu ukuphulukiswa kwe-UV. Uma o-ink Abamnyama noma Abaphuzi abamunca i-UV ephezulu bephezulu, oyinki abangaphansi AbaBomvu noma Abaluhlaza okwesibhakabhaka bangase belaphe ngendlela enganele. Ngokuphambene, ukubeka oyinki Ababomvu noma Abaluhlaza okwesibhakabhaka phezulu kanye Nophuzi noma Okumnyama ngaphansi kwandisa amathuba okwelapha ngokuphelele. Uma kungenjalo, ungqimba ngalunye lombala lungase ludinge ukuphulukiswa okuhlukene.
I-EB yokwelapha, ngakolunye uhlangothi, ayinakho umehluko oncike embala ekwelapheni futhi inokungena okunamandla kakhulu. Ingakwazi ukungena ephepheni, ipulasitiki, namanye ama-substrates, futhi yelaphe izinhlangothi zombili zokuphrinta ngesikhathi esisodwa.
Ukucatshangelwa Okukhethekile
Oyinki abangaphansi abamhlophe bayinselele ikakhulukazi ekwelapheni kwe-UV ngoba babonisa ukukhanya kwe-UV, kodwa ukwelapha kwe-EB akuthintwa yilokhu. Lena inzuzo eyodwa ye-EB ngaphezu kwe-UV.
Kodwa-ke, ukwelapha kwe-EB kudinga ukuthi indawo engaphezulu ibe sendaweni engenawo umoya-mpilo ukuze kuzuzwe ukusebenza kahle kokwelapha. Ngokungafani ne-UV, ekwazi ukwelapha emoyeni, i-EB kufanele inyuse amandla angaphezu kokuphindwe kashumi emoyeni ukuze kuzuzwe imiphumela efanayo—umsebenzi oyingozi kakhulu odinga izinyathelo zokuphepha eziqinile. Isixazululo esisebenzayo ukugcwalisa igumbi lokuphulukisa nge-nitrogen ukuze kukhishwe umoya-mpilo kanye nokunciphisa ukuphazamiseka, okuvumela ukuphulukiswa okuphezulu.
Eqinisweni, ezimbonini ze-semiconductor, imaging ye-UV kanye nokuchayeka kuvame ukuqhutshwa emakamelweni agcwele i-nitrogen, angenawo umoya-mpilo ngenxa yesizathu esifanayo.
Ngakho-ke ukuphulukiswa kwe-EB kulungele kuphela amaphepha amancane noma amafilimu epulasitiki ekusetshenzisweni kokuhlanganisa nokuphrinta. Ayilungele ukunyathelisa okufakwe ngeshidi ngamaketanga emishini nama-grippers. Ukwelapha kwe-UV, ngokuphambene, kungasetshenziswa emoyeni futhi kusebenza kakhulu, nakuba ukwelapha kwe-UV okungenawo umoya-mpilo kungavamile ukusetshenziswa ekunyatheliseni noma ekuhlanganiseni izinhlelo zokusebenza namuhla.
Isikhathi sokuthumela: Sep-09-2025
