7N Nuna Crystal Crystal Crystal Crystal

Tsarin tsabtace 7n na ikirari ya hada yankin yare da kuma fasahar kukan Lafiya. Bayani na mabuɗin da sigogi an bayyana su a ƙasa:

1. Tsarin gyaran yanki
Tsarin kayan aiki

Zite-Layer Anny Annadade Zone Zone Bokulat: diamita 300-500 mm, tsawo 50-80 mm, da aka yi da takin-tsabta.
Tsarin dumama: Semi-madauwari coils tare da sarrafa sarrafa zazzabi na ± 0.5 ° C da kuma matsakaicin zafin jiki na 850 ° C.
Mahimmin sigogi

Vacuum: ≤1 × 10 pa pa ko'ina don hana hadayar hadawa da gurbatawa.
Saurin tafiya na yankin: 2-5 mm / h (juyawa (rotsictional juyawa ta hanyar faifai).
Zazzabi na zazzabi: 725 ± 5 ° C a yankin Molten zuwa gaban yankin, sanyaya zuwa <500 ° C a ƙarshen gefen trailing.
Wuce: 10-15 Hyjles; Ingancin cire> 99.9% don impurities tare da coeffies na banza <0.1 (misali, cu, pb).
2. Tsari na tsari
Narke shiri

Abu: 5n gaya tsarkakakkiyar doka ta hanyar gyarawa yankin.
Yanayi na Melting: Melted a ƙarƙashin Tert Ar Gas (≥99.999% tsarkakakku) A 500-520 ° C ta amfani da dumama mai yawan girka.
Karancin Nitl: murfin mai tsananin ƙarfi don hana volatilization; Molten pool zurfin kiyaye a 80-120 mm.
Kula da crystallization

Adadin girma: 1-3 mm / h tare da zafin jiki na tsaye na 30-50 ° C / cm.
Tsarin sanyaya: tushe mai sanyaya ruwan ƙarfe don jan sanyaya ƙasa; mai haskakawa a saman.
Rashin tsari: fe, ni, da sauran ƙazanta ana wadatar da iyakokin hatsi bayan 3-5 don sake ganin hawan gida, rage maida hankali ga matakan PPB.
3. Ingancin metrics mai inganci
Tsarin ƙimar ƙimar lamba
Tsarkakakanci na ƙarshe ≥99.99999% (7N)
Total m ƙarfe ≤0.1 ppm
Abun oxygen ≤5 ppm
Crystal Dance karkace ≤2 °
Risawar (300 k) 0.1-0.3 ω · cm
Aiwatar da fa'idodi
SCALALALI: Mulari-Layer Annetuly Tsayayyar Zone Zefen Kaya Karatun Batular ta hanyar 3-5 × idan aka kwatanta da zane na al'ada.
Inganci: Daidai ba tare da ikon da ke da therermal yana ba da damar cirewar cirewar fitarwa ba.
Ingantaccen Crystal: Ultra da jinkirin girma girma (<3 mm / h) tabbatar da ƙarancin dislocation mai yawa da mutunci mai aminci.
Wannan ya tabbatar da cewa 7n sheurium yana da matukar muhimmanci ga aikace-aikace na ci gaba, ciki har da masu ganowa, Kwayoyin CDE-Fim sel, da selononnonductor sel.

Nassoshi:
nuna bayanan gwaji daga karatun da aka bincika-bita kan shelar tsarkakewa.