2 inch 4 inch 6 inch Patterned Sapphire Substrate (PSS) oo walxaha GaN lagu beeray waxay u isticmaali kartaa iftiinka LED.
Tilmaamaha ugu muhiimsan
1. Astaamaha qaabdhismeedka:
Dusha sare ee PSS waxa ay leedahay koofiyad habaysan ama qaab koone ah oo saddex xagal ah kaas oo qaabkiisa, cabbirkiisa iyo qaybintiisa lagu xakamayn karo iyada oo la hagaajinayo cabbirrada habka etching.
Qaab-dhismeedkan garaafyada ah waxay gacan ka geystaan beddelka jidka faafinta iftiinka waxayna yareeyaan guud ahaan iftiinka iftiinka, sidaas darteed hagaajinta waxtarka iftiinka iftiinka.
2. Sifooyinka maaddooyinka:
PSS waxay isticmaashaa safayr-tayo sare leh oo ah maaddada substrate-ka, kaas oo leh sifooyinkii adkaanta sare, kulaylka sareeyo, xasilloonida kiimikada wanaagsan iyo hufnaanta indhaha.
Tilmaamahani waxay awood u siinayaan PSS inay u adkeysato bay'ada adag sida heerkulka sare iyo cadaadiska iyadoo la ilaalinayo waxqabadka indhaha ee wanaagsan.
3. Waxqabadka indhaha:
Beddelka kala firdhisanaanta badan ee is dhexgalka u dhexeeya GaN iyo substrate sapphire, PSS waxay ka dhigtaa sawir-qaadayaasha si buuxda uga dhex muuqda lakabka GaN inay helaan fursad ay kaga baxsadaan substrate sapphire.
Habkani wuxuu si weyn u wanaajiyaa waxtarka soo saarista iftiinka LED-ka wuxuuna kor u qaadaa xoogga iftiinka iftiinka LED-ka.
4. Tilmaamaha habka:
Habka wax soo saarka ee PSS waa mid aad u adag, oo ku lug leh tillaabooyin badan sida lithography iyo etching, waxayna u baahan tahay qalab sax ah oo sarreeya iyo habka xakamaynta.
Si kastaba ha ahaatee, iyada oo horumarka joogtada ah ee tignoolajiyada iyo dhimista kharashyada, habka wax soo saarka ee PSS si tartiib tartiib ah ayaa loo hagaajiyaa oo loo hagaajiyaa.
Faa'iidada asaasiga ah
1.Hagaajinta waxtarka iftiinka iftiinka: PSS waxay si weyn u wanaajisaa waxtarka iftiinka iftiinka ee LED-ka iyadoo la beddelayo jidka faafinta iftiinka iyo yareynta guud ahaan milicsiga.
2.Prolong nolosha LED: PSS waxay yarayn kartaa cufnaanta kala-baxa ee qalabka GaN epitaxial, taas oo hoos u dhigaysa dib-u-habaynta aan shucaaca ahayn iyo dib-u-celinta qulqulka hadda ee gobolka firfircoon, kordhinta nolosha LED.
3.Hagaajinta iftiinka LED-ka: Sababtoo ah hagaajinta waxtarka iftiinka iftiinka iyo kordhinta nolosha LED-ka, iftiinka iftiinka LED-ka ee PSS ayaa si weyn loo xoojiyay.
4.Yaree kharashyada wax-soo-saarka: Inkasta oo habka wax-soo-saarka ee PSS uu yahay mid aad u adag, waxay si weyn u hagaajin kartaa waxtarka iftiinka iyo nolosha LED-ka, taas oo hoos u dhigeysa kharashka wax-soo-saarka ilaa xad iyo hagaajinta tartanka alaabta.
Meelaha ugu muhiimsan ee codsiga
1. Iftiinka LED: PSS sida walxaha substrate ee chips LED, waxay si weyn u wanaajin kartaa waxtarka iftiinka iyo nolosha LED.
Dhanka nalalka LED-ka, PSS waxaa si weyn loogu isticmaalaa alaabada iftiinka kala duwan, sida nalalka waddooyinka, nalalka miiska, nalalka baabuurta iyo wixii la mid ah.
2.Semiconductor Aaladaha: Marka lagu daro nalalka LED-ka, PSS waxa kale oo loo isticmaali karaa in lagu soo saaro aaladaha kale ee semiconductor, sida qalabka wax sheegta, lasers, iwm.
3. Isdhexgalka Optoelectronic: Qalabka indhaha iyo xasiloonida PSS waxay ka dhigtaa mid ka mid ah qalabka ugu fiican ee goobta isdhexgalka indhaha.
Xuduudaha farsamada
Shayga | Substrate Sapphire qaabaysan (2 ~ 6inch) | ||
Dhexroorka | 50.8 ± 0.1 mm | 100.0 ± 0.2 mm | 150.0 ± 0.3 mm |
Dhumucda | 430 ± 25μm | 650 ± 25μm | 1000 ± 25μm |
Hanuuninta dusha sare | C-diyaarad (0001) xagal ka baxsan dhidibka M- (10-10) 0.2 ± 0.1° | ||
C-diyaarad (0001) xagal ka baxsan dhidibka (11-20) 0 ± 0.1° | |||
Hanuuninta Flat Primary | A-Diyaarad (11-20) ± 1.0° | ||
Dhererka Guriga aasaasiga ah | 16.0 ± 1.0 mm | 30.0 ± 1.0 mm | 47.5 ± 2.0 mm |
R-Diyaarad | 9-saac | ||
Dhammaadka dusha sare ee hore | Hannaan habaysan | ||
Dhammaadka dusha sare ee dambe | SSP: Dhulka Fiican, Ra=0.8-1.2um; DSP: Epi-polished, Ra <0.3nm | ||
Calaamadaha leysarka | Dhinaca dambe | ||
TTV | ≤8μm | ≤10μm | ≤20μm |
BOOSAA | ≤10μm | ≤15μm | ≤25μm |
WARP | ≤12μm | ≤20μm | ≤30μm |
Ka saarida gees | ≤2 mm | ||
Tilmaamaha Qaabka | Qaab-dhismeedka | Dome, Koon, Ahraamta | |
Dhererka qaabka | 1.6 ~ 1.8μm | ||
Dhexroorka Qaabka | 2.75 ~ 2.85μm | ||
Meesha Qaabka | 0.1-0.3μm |
XKH waxay diiradda saartaa horumarinta, soo saarista iyo iibinta substrateed sapphire substrate (PSS), waxayna ka go'an tahay inay siiso macaamiisha adduunka oo dhan alaab tayo sare leh oo tayo sare leh PSS. XKH waxay leedahay tignoolajiyada wax soo saarka ee horumarsan iyo koox farsamo oo xirfad leh, kuwaas oo u habeyn kara badeecadaha PSS oo leh astaamo kala duwan iyo qaabab kala duwan oo kala duwan iyadoo loo eegayo baahiyaha macaamiisha. Isla mar ahaantaana, XKH waxay fiiro gaar ah u leedahay tayada badeecada iyo tayada adeegga, waxayna ka go'an tahay inay macaamiisha siiso taageero farsamo iyo xalal dhammaystiran. Dhanka PSS, XKH waxay soo ururisay waayo-aragnimo qani ah iyo faa'iidooyin, waxayna rajeyneysaa inay si wadajir ah ula shaqeyso la-hawlgalayaasha caalamiga ah si wadajir ah kor loogu qaado horumarinta hal-abuurka leh ee nalalka LED-ka, qalabka semiconductor iyo warshadaha kale.
Jaantus faahfaahsan


