amakuru

Ikoranabuhanga ryo gukata insinga za diyama rizwi kandi nka ikoranabuhanga ryo gukata insinga zivanze. Ni ugukoresha uburyo bwo gushushanya diyama cyangwa uburyo bwo guhuza insinga za diyama buvanze ku buso bw'insinga z'icyuma, insinga za diyama zigakora ku buso bw'inkoni ya silicon cyangwa ingot ya silicon kugira ngo zikore isya, kugira ngo zigere ku ngaruka zo gukata. Gukata insinga za diyama bifite imiterere yo kwihuta mu gukata, gukoresha neza cyane no gutakaza ibikoresho.

Kuri ubu, isoko rya kristale imwe yo gukata insinga za diyama rya silicon wafer ryemewe byuzuye, ariko ryanahuye naryo mu gihe cyo kwamamaza, muri byo harimo velvet white ari cyo kibazo gikunze kugaragara. Kubera ibi, iyi nyandiko yibanda ku buryo bwo gukumira ikibazo cya diamond wire cutting monocrystalline silicon wafer velvet white.

Uburyo bwo gusukura insinga za diyama zica umugozi wa silikoni ukozwe mu cyuma gipima icyuma ni ugukuramo umugozi wa silikoni waciwe n'icyuma gipima icyuma mu cyuma gipima icyuma mu cyuma gipima icyuma, gukuraho agace k'umugozi, no gusukura umugozi wa silikoni. Ibikoresho byo gusukura ahanini ni imashini isukura mbere yo gusukura (imashini isukura) n'imashini isukura. Uburyo bw'ingenzi bwo gusukura mbere yo gusukura imashini ni: gusukura-gutera ...

Ihame ryo gukora velvet ifite ibara rimwe

Umugozi wa silikoni ukozwe muri monocrystalline ni wo uranga kwangirika kwa anisotropic kwa monocrystalline silicon wafer. Ihame ry'uburyo bwo gukora ni ikigereranyo gikurikira cy'uburyo bwo gukora shimi:

Si + 2NaOH + H2O = Na2SiO3 + 2H2 ↑

Muri make, inzira yo gukora suede ni: igisubizo cya NaOH ku gipimo gitandukanye cya corruption ku buso butandukanye bwa crystal, (100) umuvuduko wa corruption ku buso kurusha (111), bityo (100) kuri monocrystalline silicon wafer nyuma ya anisotropic corruption, amaherezo ikorwa ku buso bwa (111) cone ifite impande enye, ari yo "pyramide" imiterere (nk'uko bigaragara ku ishusho ya 1). Nyuma y'uko imiterere ikozwe, iyo urumuri rugeze ku ruhande rwa piramide ku nguni runaka, urumuri ruzagaragara ku ruhande ku rundi nguni, rugakora uburyo bwo kwinjiza bwa kabiri cyangwa bwinshi, bityo bigabanye reflectivity ku buso bwa silicon wafer, ni ukuvuga, ingaruka z'urumuri (reba Ishusho ya 2). Uko imiterere ya "piramide" irushaho kuba myiza no kuba ingana, niko ingaruka z'urumuri zigaragara cyane, kandi umuvuduko wa silicon wafer ugabanuka.

Ishusho ya 1: Imiterere mito ya monocrystalline silicon wafer nyuma yo gukora alkali

Ishusho ya 2: Ihame ry'umutego w'urumuri w'imiterere ya "piramide"

Isesengura ry'isuku ry'ikirahure kimwe

Mu gupima mikorosikopi ya elegitoroniki kuri wafer ya silikoni yera, byagaragaye ko imiterere ya piramide ya wafer yera muri ako gace itari yaremwe, kandi ubuso bwasaga n'aho bufite urwego rw'ibisigazwa by' "waxy", mu gihe imiterere ya piramide ya suede mu gace kera ka wafer imwe ya silikoni yakozwe neza kurushaho (reba Ishusho ya 3). Niba hari ibisigazwa ku buso bwa wafer ya silikoni ya monocrystalline, ubuso buzaba bufite ingano y'imiterere ya "piramide" kandi ingano y'imiterere ingana kandi ingaruka z'agace gasanzwe ntizihagije, bigatuma reflectivity y'ubuso bwa velvet isigaye iba iri hejuru y'agace gasanzwe, agace gafite reflectivity nyinshi ugereranije n'agace gasanzwe mu ishusho igaragara nk'umweru. Nkuko bigaragara mu miterere y'agace kera, ntabwo ari imiterere isanzwe cyangwa isanzwe mu gace kanini, ahubwo ni mu duce duto gusa. Byagombye kuba ari uko imyanda yo mu gace ka wafer ya silikoni itarasukurwa, cyangwa imiterere y'ubuso bwa wafer ya silikoni iterwa n'umwanda wa kabiri.

Ishusho ya 3: Igereranya ry'itandukaniro ry'imiterere y'akarere mu duce twa silikoni tw'umweru twa velvet

Ubuso bw'icyuma gikata icyuma cya diyama burushaho kuba bwiza kandi ibyangiritse ni bito (nk'uko bigaragara ku Ishusho ya 4). Ugereranyije na silicon wafer yo mu bwoko bwa mortar, umuvuduko w'ikirahure cy'icyuma cya alkali n'icyuma cya diyama gikata icyuma cya diyama ugenda buhoro ugereranije n'icyuma gikata icyuma cya monocrystalline silicon wafer, bityo ingaruka z'ibisigazwa by'ubuso ku ngaruka za velvet ziragaragara cyane.

Ishusho ya 4: (A) Mikorografi y'ubuso bw'icyuma cya silikoni cyaciwe (B) Mikorografi y'ubuso bw'icyuma cya silikoni cyaciwe n'insinga ya diyama

Isoko nyamukuru y'ubuso bwa silikoni bukozwe mu nsinga ya diyama

(1) Igikonjesha: ibice by'ingenzi bya diyama ikata icyuma gikonjesha ni surfactant, dispersant, defamate n'amazi n'ibindi bice. Amazi yo gukata afite imikorere myiza cyane afite ubushobozi bwo gufunga neza, gukwirakwira no koroshya gusukura. Surfactant akenshi igira imiterere myiza yo gukaraba amazi, byoroshye gusukura mu gikorwa cyo gusukura silicon wafer. Gukomeza gukurura no gutembera kw'izi nyongera mu mazi bizatuma habaho ifuro ryinshi, bigatuma amazi agabanuka, bigira ingaruka ku mikorere yo gukonjesha, ndetse n'ibibazo bikomeye by'ifuro ndetse n'iby'ifuro bitagira amazi, bizagira ingaruka zikomeye ku ikoreshwa. Kubwibyo, icyuma gikonjesha gikoreshwa n'icyuma gikonjesha amazi. Kugira ngo habeho imikorere myiza yo gukaraba amazi, silicone na polyether bisanzwe akenshi ntibikunda amazi. Umushongi mu mazi woroshye cyane kuwufata kandi ukaguma ku buso bwa silicon wafer mu gusukura nyuma, bigatera ikibazo cy'ahantu hakeye. Kandi ntabwo ihuye neza n'ibice by'ingenzi bya coolant, Kubwibyo, igomba gukorwamo ibice bibiri, Ibice by'ingenzi n'ibintu bikuraho amazi byongewe mu mazi, Mugihe cyo gukoreshwa, hakurikijwe uko ifuro rimeze, Ntabwo ishoboye kugenzura ikoreshwa n'ingano y'ibintu birwanya ifuro, Ishobora kwemerera byoroshye gukoresha ibintu bikuraho amazi, Bituma ibisigazwa bya silicon wafer byiyongera, Nanone biragoye kuyikoresha, Ariko, bitewe n'igiciro gito cy'ibikoresho fatizo n'ibikoresho bikuraho amazi, Kubwibyo, coolant nyinshi zo mu rugo zose zikoresha ubu buryo bwa formula; Indi coolant ikoresha cleaner nshya, Ishobora guhuza neza n'ibice by'ingenzi, Ntabyongerwamo, Ishobora kugenzura neza ingano yayo, Ishobora gukumira ikoreshwa rirenze urugero, Imyitozo nayo niyoroshye cyane kuyikora, Hamwe n'uburyo bwo kuyisukura neza, ibisigazwa byayo bishobora kugenzurwa ku rugero rwo hasi cyane, Mu Buyapani no mu nganda nke zo mu rugo zikoresha ubu buryo bwa formula, Ariko, kubera igiciro cyayo kinini cy'ibikoresho fatizo, Inyungu yayo ku giciro ntabwo igaragara.

(2) Ubwoko bwa kole na resin: mu cyiciro cya nyuma cy'insinga za diyama, wafer ya silicon hafi y'inkombe yinjiye yaciwe mbere, wafer ya silicon ku mpera y'aho isohoka ntabwo iracibwa, Insinga ya diyama yaciwe kare yatangiye gucibwa ku rubaho rwa rubber na resin, Kubera ko kole ya silicon n'ikibaho cya resin byombi ari ibicuruzwa bya epoxy resin, Aho yoroshya ni hagati ya 55 na 95℃, Niba aho yoroshya urwego rwa rubber cyangwa plate ya resin ari hasi, ishobora gushyuha byoroshye mu gihe cyo gukata bigatuma yoroha kandi ishonga, Ifatanye n'insinga y'icyuma n'ubuso bwa wafer ya silicon, Bituma ubushobozi bwo gukata bw'umurongo wa diyama bugabanuka, Cyangwa wafer za silicon zakirwa kandi zigasigwa resin, Iyo zimaze gufatirwa, biragoye cyane kumesa, Ubwo bwandu akenshi buba hafi y'inkombe ya wafer ya silicon.

(3) ifu ya silikoni: mu gihe cyo gukata insinga za diyama hazavamo ifu nyinshi ya silikoni, hamwe no gukata, ifu y'ibikoresho bikonjesha bya mortiweri izaba nyinshi cyane, iyo ifu ari nini bihagije, izafatana n'ubuso bwa silikoni, kandi gukata insinga za silikoni ingano n'ingano bya diyama bituma byoroha kuyishyira ku buso bwa silikoni, bigatuma bigorana kuyisukura. Kubwibyo, menya neza ko ivugururwa n'ubwiza bw'ibikoresho bikonjesha kandi ugabanye ifu iri mu bikoresho bikonjesha.

(4) isuku: ikoreshwa ry'inganda zikata insinga za diyama zikoresha cyane cyane isukari ya siruko icyarimwe, ahanini zikoresha isukari ya siruko, isuku n'isukura, nibindi, ikoranabuhanga ryo gukata insinga imwe ya diyama riturutse ku buryo bwo gukata, rikora umurongo wuzuye, isukura n'isukari bifite itandukaniro rinini, bityo inzira yo gusukura ijyanye nayo, ingano y'isukura, formula, nibindi bigomba kuba ibyo gukata insinga za diyama, bikora isuku ijyanye nayo. Isukura ni ikintu cy'ingenzi, formula y'umwimerere y'isukura, alkalinity ntikwiriye mu gusukura isukari ya diyama, igomba kuba iy'ubuso bw'isukari ya diyama, imiterere n'ibisigazwa by'isukari byagenewe, kandi ijyana n'isukura. Nk'uko byavuzwe haruguru, imiterere y'isukari ntabwo ikenewe mu gukata siruko.

(5) Amazi: gukata insinga za diyama, gukaraba mbere no gusukura amazi arenze urugero arimo umwanda, ashobora kwinjizwa ku buso bwa silicon wafer.

Gabanya ikibazo cyo gutuma umusatsi wa velvet uba umweru, inama

(1) Gukoresha icyuma gikonjesha gifite ikwirakwizwa ryiza, kandi icyuma gikonjesha gisabwa gukoresha igikoresho gikuraho ubushyuhe buke kugira ngo kigabanye ibisigazwa by'ibice bikonjesha ku buso bwa silicon wafer;

(2) Koresha kole ikwiye n'isahani ya resin kugira ngo ugabanye umwanda wa silikoni;

(3) Igikoresho gikonjesha gishyirwamo amazi meza kugira ngo hatagira umwanda woroshye usigara mu mazi yakoreshejwe;

(4) Ku buso bwa diyama yaciweho insinga ya silikoni, koresha uburyo bwo gusukura bukwiriye kandi bunoze;

(5) Koresha sisitemu yo kugarura amazi ya diamond line coolant online kugira ngo ugabanye ingano y'ifu ya silicon mu gihe cyo gukata, kugira ngo ugenzure neza ibisigazwa by'ifu ya silicon ku buso bwa silicon wafer ya wafer. Muri icyo gihe, bishobora kandi kongera ubushyuhe bw'amazi, amazi atembera n'igihe cyo gukaraba mbere yo gukaraba, kugira ngo urebe ko ifu ya silicon yogejwe ku gihe.

(6) Iyo wafer ya silikoni imaze gushyirwa ku meza yo gusukura, igomba guhita ivurwa, kandi wafer ya silikoni ikagumana amazi mu gihe cyose cyo kuyisukura.

(7) Umugozi wa silikoni utuma ubuso butoha mu gihe cyo gukuramo igufwa, kandi ntushobora kuma mu buryo busanzwe. (8) Mu gikorwa cyo gusukura umugozi wa silikoni, igihe kigaragara mu kirere gishobora kugabanuka uko bishoboka kose kugira ngo hirindwe ko indabyo zigera ku buso bwa umugozi wa silikoni.

(9) Abakozi bakora isuku ntibagomba gukora ku buso bwa silicon wafer mu gihe cyose cyo gusukura, kandi bagomba kwambara uturindantoki twa rubber, kugira ngo badakora ibishushanyo by'ibikumwe.

(10) Mu isuzuma [2], impera y'ibateri ikoresha uburyo bwo gusukura bwa hydrogen peroxide H2O2 + alkali NaOH hakurikijwe igipimo cy'ingano cya 1:26 (3% NaOH), bishobora kugabanya ikibazo neza. Ihame ryayo risa n'umuti wo gusukura wa SC1 (uzwi cyane nka liquid 1) wa wafer ya silikoni ya semiconductor. Uburyo bwayo nyamukuru: firime ya oxidation ku buso bwa silicon wafer ikorwa na oxidation ya H2O2, iterwa na NaOH, kandi oxidation na corruption bibaho kenshi. Kubwibyo, uduce dufatanye n'ifu ya silikoni, resin, icyuma, nibindi) natwo tugwa mu mazi yo gusukura hamwe n'urwego rwa corruption; bitewe na oxidation ya H2O2, ibintu by'umwimerere biri ku buso bwa wafer birahinduka CO2, H2O hanyuma bikavanwaho. Ubu buryo bwo gusukura bwakozwe n'abakora silicon wafer bakoresheje ubu buryo bwo gusukura wafer ya silikoni ya monocrystalline, wafer ya silikoni mu rugo no muri Tayiwani n'abandi bakora bateri bakoresha ibibazo by'umweru bya velvet. Hari kandi abakora bateri bakoresheje uburyo nk'ubwo bwo gusukura bwa velvet mbere yo gusukura, banagenzura neza isura y'umweru wa velvet. Bigaragara ko ubu buryo bwo gusukura bwongerwamo mu gikorwa cyo gusukura silicon wafer kugira ngo ukureho ibisigazwa bya silicon wafer kugira ngo ikibazo cy'umusatsi wera ku mpera ya batiri gikemuke neza.

umwanzuro

Kugeza ubu, gukata insinga za diyama byabaye ikoranabuhanga rikomeye mu gutunganya urusenda rumwe rw'urusenda, ariko mu rwego rwo guteza imbere ikibazo cyo gukora velvet white byagiye bibangamira abakora silicon wafer n'abakora bateri, bigatuma abakora bateri bakata insinga za diyama, silicon wafer ifite ubushobozi bwo kuyirwanya. Binyuze mu isesengura ryo kugereranya agace k'umweru, ahanini biterwa n'ibisigazwa biri ku buso bwa silicon wafer. Kugira ngo hirindwe neza ikibazo cya silicon wafer mu kagari, iyi nyandiko isesengura inkomoko ishoboka y'umwanda wa silicon wafer, ndetse n'ibitekerezo byo kunoza umusaruro. Dukurikije umubare, akarere n'imiterere y'utudomo tw'umweru, impamvu zishobora gusesengurwa no kunozwa. By'umwihariko, birasabwa gukoresha hydrogen peroxide + inzira yo gusukura alkali. Ubunararibonye bwatsinze bwagaragaje ko bushobora gukumira neza ikibazo cyo gukata insinga za diyama silicon wafer ikora velvet whitening, kugira ngo harebwe abakora mu nganda n'abayikora.