Ubuchwepheshe bokuphrinta be-3D obunembe kakhulu buwukhiye wokukhiqiza ukunemba kwemishini ye-biomedical ne-photonic, kodwa ubuchwepheshe bokuphrinta be-3D obukhona buphansi ngokusebenza kahle kanye nezindleko eziphezulu. Kuze kube manje, abacwaningi emikhakheni ehlobene bebehlola ubuchwepheshe obusha. Impumelelo yakamuva ubuchwepheshe be-femtosecond projection two-photon lithography (FP-TPL) obuthuthukiswe ngokuhlanganyela yi-Chinese University of Hong Kong kanye ne-Lawrence Livermore National Laboratory.

Ngokulawula i-laser spectrum ngokugxila kwesikhathi, ubuchwepheshe obusha bubona ukuphrinta kwe-laser 3D okuhambisanayo kokuphrinta kwe-laser 1000D esikhundleni sokubhalwa kwephuzu nephuzu kwangaphambilini. Lobu buchwepheshe obusha kwandisa kakhulu isivinini sokunyathelisa izikhathi ezingu-10000-98 futhi kunciphisa izindleko ngo-3%. "Isayensi" ifake lolu cwaningo, iqinisekisa ukuthi ilethe ukuphrinta kwe-XNUMXD kwe-nanoscale enkathini entsha.

Ubuchwepheshe bendabuko bokuphrinta be-3D be-nanoscale, okuyi-polymerization yezithombe ezimbili (TPP), busebenza kumodi yokuskena yephoyinti nephuzu, engasebenzi kahle. Ngisho nezinto ezinobukhulu obungamasentimitha zingathatha izinsuku ezimbalwa ukuya emavikini ambalwa ukukhiqiza. Uma isivinini sizokwandiswa, ukunemba komkhiqizo ophelile kuvame ukuhlatshelwa. Le nqubo idla isikhathi futhi iyabiza, okuphazamisa kakhulu ukusetshenziswa kobuchwepheshe bokuphrinta be-3D.

Ubuchwepheshe obusha busebenzisa umqondo wokugxila kwesikhathi ukuze kunqotshwe le nkinga, kwakheka ishidi lokukhanya le-femtosecond elihlelekayo endizeni egxile ekubhaleni okufanayo. Lokhu kulingana nokuveza izigidi zezindawo okugxilwe kuzo i-laser endizeni okugxilwe kuyo ngesikhathi esifanayo ukuze kuthathelwe indawo indlela evamile yokugxila nokuskena ama-lasers. Ngamanye amazwi, ubuchwepheshe be-FP-TPL bungakhiqiza yonke indiza phakathi nesikhathi lapho ubuchwepheshe be-TPP bukhiqiza khona iphuzu elilodwa.

Isici esiphikisayo se-FP-TPL ukuthi ayithuthukisi kakhulu ijubane kuphela (cishe i-10-100m/h), kodwa futhi ithuthukisa ukulungiswa (mayelana ne-140 nm / 175 nm ekuqondeni kwe-lateral kanye ne-axial), futhi inciphisa izindleko ( 1.5 USD/m). Izingxenyekazi zekhompuyutha ezijwayelekile zesistimu ye-TPP evamile ihlanganisa umthombo wokukhanya we-laser we-femtosecond kanye nedivayisi yokuskena yokubona, njengedivayisi ye-digital micromirror (DMD). Izindleko eziyinhloko zivela emthonjeni wokukhanya we-laser, onesikhathi sokuphila esijwayelekile cishe amahora angama-20,000.

Ngakho-ke, ukunciphisa isikhathi sokukhiqiza kusukela ezinsukwini ezimbalwa kuya emaminithini ambalwa kungandisa kakhulu impilo ye-laser, futhi kunciphise ngokungaqondile izindleko zokuphrinta ezimaphakathi kusuka ku-US $ 88 / m kuya ku-US $ 1.5 / m, ukwehla kwe-98%.

Ngenxa yejubane lokuskena lephoyinti elincane kanye nokuntuleka kwekhono lokuphrinta izakhiwo zosekelo, isistimu ye-TPP evamile ayikwazi ukwenza ama-overhang amakhulu futhi ayinkimbinkimbi. Ubuchwepheshe be-FP-TPL ngejubane layo eliphezulu lokuphrinta—izingxenye ze-polymerized ingxenye ngokushesha zixhuma ngokushesha ngaphambi kokukhukhuleka ku-resin ewuketshezi—zingakhiqiza ama-overhang amakhulu futhi ayinkimbinkimbi.

Ubuchwepheshe be-FP-TPL bungazuzisa imikhakha eminingi, njenge-nanotechnology, izinto zokusebenza ezithuthukisiwe, amarobhothi amancane, imishini yezokwelapha neyokulethwa kwezidakamizwa. Ngenxa yesivinini esithuthuke kakhulu kanye nezindleko ezincishisiwe, ubuchwepheshe be-FP-TPL bungathengiswa futhi busetshenziswe kabanzi esikhathini esizayo.

Xhumanisa nale ndatshana: Izindleko zobuchwepheshe obusha bokuphrinta be-3D zehliswa ngo-98%

Phinda Uphrinte Isitatimende: Uma ingekho imiyalelo ekhethekile, zonke izindatshana ezikule sayithi zingezangempela. Sicela ukhombise umthombo wokuphrinta kabusha:https://www.cncmachiningptj.com

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