Saurin haɓakawa a fagagen bayanai da optoelectronics ya haɓaka ci gaba da haɓaka fasahar goge kayan aikin sinadarai (CMP).Bugu da kari ga kayan aiki da kuma kayan, da saye na matsananci-high-madaidaici saman ne mafi dogara a kan zane da kuma masana'antu samar da high dace abrasive barbashi, kazalika da shirye-shiryen da m polishing slurry.Kuma tare da ci gaba da haɓaka daidaiton sarrafa saman saman da buƙatun inganci, abubuwan buƙatun don ingantaccen kayan gogewa suna samun girma da girma.An yi amfani da Cerium dioxide a ko'ina a cikin mashin ingantattun na'urorin microelectronic da daidaitattun abubuwan gani.
Cerium oxide polishing foda (VK-Ce01) polishing foda yana da abũbuwan amfãni daga karfi yankan iyawa, high polishing yadda ya dace, high polishing daidaito, mai kyau polishing quality, tsabta aiki yanayi, low gurbatawa, dogon sabis rayuwa, da dai sauransu, kuma ana amfani da ko'ina a cikin. Daidaitaccen gani na gani da kuma CMP, da sauransu. filin yana da matsayi mai mahimmanci.
Abubuwan asali na cerium oxide:
Ceria, kuma aka sani da cerium oxide, wani oxide ne na cerium.A wannan lokacin, valence na cerium shine +4, kuma tsarin sinadarai shine CeO2.Samfurin tsantsar fari ne mai nauyi foda ko lu'ulu'u mai siffar sukari, kuma samfurin najasa yana da haske rawaya ko ma ruwan hoda zuwa launin ja-launin ruwan kasa (saboda ya ƙunshi adadin lanthanum, praseodymium, da sauransu).A cikin zafin jiki da matsa lamba, ceria shine tsayayyen oxide na cerium.Cerium kuma zai iya samar da +3 valence Ce2O3, wanda ba shi da kwanciyar hankali kuma zai samar da tsayayyen CeO2 tare da O2.Cerium oxide yana ɗan narkewa cikin ruwa, alkali da acid.A yawa ne 7.132 g / cm3, da narkewa batu ne 2600 ℃, da kuma tafasar batu ne 3500 ℃.
Tsarin gogewa na cerium oxide
A taurin CeO2 barbashi ba high.Kamar yadda aka nuna a teburin da ke ƙasa, taurin cerium oxide ya yi ƙasa da na lu'u-lu'u da aluminum oxide, haka kuma ƙasa da na zirconium oxide da silicon oxide, wanda yayi daidai da ferric oxide.Don haka ba zai yuwu a fasaha ba don lalata kayan tushen silicon oxide, kamar gilashin silicate, gilashin quartz, da sauransu, tare da ceria tare da ƙarancin ƙarfi daga mahangar injin kawai.Koyaya, cerium oxide a halin yanzu shine foda mai gogewa da aka fi so don goge kayan tushen silicon oxide ko ma kayan silicon nitride.Ana iya ganin cewa cerium oxide polishing shima yana da wasu tasiri baya ga tasirin injina.Taurin lu'u-lu'u, wanda aka saba amfani da shi na niƙa da kayan gogewa, yawanci yana da guraben iskar oxygen a cikin lattice na CeO2, wanda ke canza halayensa na zahiri da sinadarai kuma yana da wani tasiri akan kayan gogewa.Foda polishing cerium oxide da aka saba amfani da ita sun ƙunshi wani adadin wasu oxides na ƙasa da ba kasafai ba.Praseodymium oxide (Pr6O11) shima yana da tsari mai siffar cubic cubic, wanda ya dace da goge baki, yayin da sauran lanthanide rare earth oxides ba su da ikon gogewa.Ba tare da canza tsarin crystal na CeO2 ba, zai iya samar da ingantaccen bayani tare da shi a cikin wani kewayon.Domin high-tsarki nano-cerium oxide polishing foda (VK-Ce01), mafi girma da tsarki na cerium oxide (VK-Ce01), da girma da polishing ikon da kuma tsawon sabis rayuwa, musamman ga wuya gilashin da ma'adini Tantancewar ruwan tabarau ga wani. kwana biyu.A lokacin da cyclic polishing, yana da kyau a yi amfani da high-tsarki cerium oxide polishing foda (VK-Ce01).
Aikace-aikace na cerium oxide polishing foda:
Cerium oxide polishing foda (VK-Ce01), galibi ana amfani da shi don samfuran gilashin gogewa, ana amfani dashi galibi a cikin fagage masu zuwa:
1. Gilashin, gilashin ruwan tabarau polishing;
2. Lens na gani, gilashin gani, ruwan tabarau, da dai sauransu;
3. Gilashin allo na wayar hannu, kallon kallo (ƙofar agogo), da sauransu;
4. LCD duba kowane irin LCD allon;
5. Rhinestones, lu'u-lu'u masu zafi (katuna, lu'u-lu'u a kan jeans), bukukuwa masu haske (candeliers na alatu a cikin babban zauren);
6. Sana'ar Crystal;
7. Bangaren goge-goge na Jad
Abubuwan da ake samu na cerium oxide na yanzu:
Ana amfani da saman cerium oxide tare da aluminium don inganta haɓakar gilashin gani.
Sashen Bincike da Ci gaban Fasaha na UrbanMines Tech.Limited, ya ba da shawarar cewa haɓakawa da gyare-gyaren gyare-gyare na ɓangarorin gogewa sune manyan hanyoyin da hanyoyin da za a inganta inganci da daidaito na gogewar CMP.Domin barbashi Properties za a iya saurare da compounding na Multi-bangaren abubuwa, da watsawa kwanciyar hankali da polishing yadda ya dace na polishing slurry za a iya inganta ta surface gyara.A shirye-shiryen da polishing yi na CeO2 foda doped tare da TiO2 iya inganta polishing yadda ya dace da fiye da 50%, kuma a lokaci guda, da surface lahani kuma an rage ta 80%.Tasirin polishing synergistic na CeO2 ZrO2 da SiO2 2CeO2 composite oxides;sabili da haka, fasahar shirye-shiryen doped ceria micro-nano composite oxides yana da matukar mahimmanci ga haɓaka sabbin kayan gogewa da tattaunawa game da tsarin gogewa.Baya ga adadin doping, jihar da rarraba dopant a cikin abubuwan da aka haɗa suma suna tasiri sosai akan abubuwan da suka shafi ƙasa da aikin gogewa.
Daga cikin su, da kira na polishing barbashi tare da cladding tsarin ne mafi m.Sabili da haka, zaɓin hanyoyin haɗin gwiwa da yanayi shima yana da mahimmanci, musamman hanyoyin da suke da sauƙi kuma masu tsada.Amfani da hydrated cerium carbonate a matsayin babban albarkatun kasa, aluminum-doped cerium oxide polishing barbashi aka hada ta rigar m-lokaci mechanochemical hanya.Ƙarƙashin aikin ƙarfin injiniya, manyan barbashi na cerium carbonate hydrated za a iya raba su cikin ƙananan barbashi, yayin da aluminum nitrate yana amsawa da ruwan ammonia don samar da kwayoyin colloidal amorphous.Kwayoyin colloidal suna da sauƙi a haɗe su zuwa ƙwayoyin cerium carbonate, kuma bayan bushewa da calcination, ana iya samun doping na aluminum a saman cerium oxide.An yi amfani da wannan hanyar don haɗa ƙwayoyin cerium oxide tare da adadi daban-daban na aluminium doping, kuma an kwatanta aikinsu na gogewa.Bayan an ƙara adadin aluminium da ya dace a saman sassan sassan cerium oxide, ƙimar mummunan tasirin sararin samaniya zai ƙaru, wanda hakan ya sanya rata tsakanin ɓangarori masu ɓarna.Akwai ƙwaƙƙwaran electrostatic mai ƙarfi, wanda ke haɓaka haɓakar kwanciyar hankali na dakatarwa.A lokaci guda kuma, za a ƙarfafa tallan haɗin gwiwa tsakanin ɓangarori masu ɓarna da ingantaccen caji mai laushi ta hanyar jan hankalin Coulomb, wanda ke da fa'ida ga hulɗar juna tsakanin abrasive da laushi mai laushi a saman gilashin da aka goge, kuma yana haɓakawa. da kyautata na polishing kudi.