Koren silicon carbide foda: makamin sirri don inganta ingantaccen gogewa
Da karfe biyu na safe, Lao Zhou daga taron karawa juna sani na wayar hannu ya jefa murfin gilashin da ya fito daga layin da aka kera a kan teburin dubawa, kuma sautin ya kasance mai tsauri kamar kunna wuta. "Duba! Kashi na goma ne! Bawon lemu da hazo. Masu duba Apple za su iso gobe. Za a iya kawo wannan abu?!" Harbin jinin da ke idonsa ya yi ja fiye da hasken na'urar. Li, wanda ya yi shiru a kusurwar, a hankali ya tura guga na lallausan foda mai duhu, “Ka gwada wannan 'koren mahaukaci', shine mafi ban sha'awa don niƙa ƙasusuwa masu tauri." Bayan kwana uku, an kwashe kashin farko na kayayyakin da suka cancanta a jirgi cikin dare. Lao Zhou ya buga guga nakore fodada murmushi: "Wannan ɗan ƙaramin mutum mai zafin rai zai iya ceton rayuka da gaske!" A fagen fama na goge-goge, wanda shine tseren lokaci.Koren silicon carbide foda (SiC)magani ne mai ƙarfi da inganci wanda ke magance kowane nau'in "ba zai iya niƙa" da "ba iya gogewa".
Green silicon carbide foda, wanda aka sani da "kore carbon" ko "GC"A cikin duniya, ba yashi na yau da kullum ba, amma mai tauri" mai ladabi" a cikin tanderun wutar lantarki fiye da digiri 2000 tare da kayan aiki irin su yashi quartz da coke man fetur. Yana da jiki mai kyau: Mohs hardness yana da girma kamar 9.2-9.3.farin corundum dan uwa” kuma na biyu bayan lu’u-lu’u. Abin da ya fi ban mamaki shi ne “tufafinsa kore” – kristal silicon carbide crystals masu tsafta, masu kaifi da gefuna, da saurin fushi.koren siliki carbide“Kftin din rugujewa ne” rike da karamin mace, wanda ya kware wajen caccakar kasusuwa, kuma ingancinsa yana da ban mamaki.
Darajarta ta ta'allaka ne a cikin "sauri, daidai, da rashin tausayi" ruhu:
1. Gnawing "kasusuwa masu wuya": ƙware a kowane nau'in rashin biyayya
Gilashin wayar hannu (Corning Gorilla), madubi agogon sapphire, wafer siliki guda ɗaya, yumbura… Waɗannan “ayyukan fuska” na masana'antar zamani sun fi juna wahala da rauni. Abrasives na yau da kullun ba za su yi aiki ba ko karya gefuna idan an yi amfani da ƙarfi da yawa. Ƙaƙƙarfan gefuna na koren siliki carbide foda (kamar ƙananan microchisels marasa adadi a matakin ƙananan ƙananan), haɗe tare da babban taurinsa, yana ba shi damar "yanke" saman kayan daɗaɗɗen ƙarfi da ƙarfi da ƙarfi. Zai iya sauri kwasfa kayan, maimakon "gurna" shi kamar wasu abrasives don haifar da lalacewa mai zurfi. goge murfin wayar hannu? Zai iya sauri daidaita "tsaunuka" a kan gilashin gilashin ba tare da haɗawa da "kwaruruka" kusa da shi ba, ninka yadda ya dace kai tsaye, da launi na orange? A'a!
2. Yanke "wuka mai sauri": lokaci shine kudi
A kan TFT-LCD ruwa crystal panel samar line, kowane sakan na gefen nika da polishing na babban-size gilashin substrate yana da alaka da samar iya aiki. An zana "gudun" na koren silicon carbide foda a cikin kwayoyin halitta. Barbashi ba kawai wuya da kaifi ba, amma har ma da ban mamaki kai-kaifi - barbashi mara kyau za su karya kansu a karkashin matsin lamba, suna bayyana sabbin gefuna masu kaifi don ci gaba da fada! Ba kamar wasu abrasives masu laushi ba, suna zama "lalata" yayin da ake niƙa, kuma ingancin su yana raguwa. Wannan ikon "sabuntawa" yana ba shi damar zama kamar kifi a cikin ruwa a cikin matakan gogewa da matsakaici, kuma adadin cire kayan sa a kowane lokaci naúrar (MRR) yana gaban masu fafatawa. Bayan masana'antar wafer siliki ta photovoltaic ta canza zuwa slurry silicon carbide slurry tare da takamaiman girman barbashi, ingancin cirewar siliki wafer gefen cirewa ya karu da 35%, kuma ƙarfin samarwa na yau da kullun na layi ɗaya ya matse da ɗaruruwan guda - a cikin lokacin shigarwa na gaggawa, wannan kuɗi ne na gaske!
3. "Lafiya" a cikin m: m ma'auni tsakanin inganci da daidaito
Kar ka yi tunanin haka "kore mahaukaciA cikin madaidaicin sapphire taga polishing, zabar madaidaicin girman barbashi (kamar W7, W5 ko ma finer bayan grading mai kyau) da dabarar koren silicon carbide micropowder yana nuna “m ƙarƙashin roughness”. polishing (kamar yin amfani da silica sol). manna jakar gwal daga baya zai zama a banza.
4. Yin wasa da "niƙa na ruwa": kwanciyar hankali shine hanyar da za ta dore
Koren silicon carbide micropowder yana da bargarin sinadarai (inert) kuma ba shi da sauƙin amsawa da ruwan goge-goge na tushen ruwa ko tushen mai. Menene ma'anar wannan? Slurry yana da kwanciyar hankali mai kyau kuma ba shi da sauƙin lalacewa, daidaitawa ko haɓakawa! A kan layin gogewa tare da babban matakin aiki da kai, ingantaccen aikin slurry shine layin rayuwa. Ka yi tunani game da shi, idan abrasive wani lokacin lokacin farin ciki da kuma wani lokacin sirara, da barbashi clumping tare don toshe bututu, yaya mummunan amfanin amfanin gona da kayan aiki tsadar zama? "Carbon GreenLao Wu, mai kula da samar da masana'anta na masana'antar sarrafa yumbu, ya ce cikin motsin rai: "Tun lokacin da aka canza barga na silicon carbide slurry, a ƙarshe zan iya zauna in sha shayi mai zafi a lokacin tafiyar dare. Ya kasance kamar kashe wuta!”
A wannan zamanin na neman santsi da inganci.koren silicon carbide micropowderya yi amfani da “harsashi mai ƙarfi” ƙarfi mai ƙarfi don sassaƙa ingantaccen sunansa mai inganci a bayan filaye masu santsi-kamar madubi-ba wani aiki mai laushi ba ne, amma “makamin sirri” wanda ya cancanta don haɓaka aikin goge goge.