Aluminium Nitride waa walxo dhoobo ah oo goyn ah oo ka helay fiiro gaar ah xagga wax soo saarka sare iyo codsiyada waxqabadka sare leh. Waxaa loo yaqaanaa kuleylkeeda kuleylkeeda gaarka ah, guryaha dahaarka korantada, iyo xasiloonida kiimikada, Aluminium Nitride waxay u taagan tahay doorashada la doorbiday ee qaybaha warshadaha kala duwan. Sida maaddada horumarsan, waxay bixisaa isugeyn gaar ah oo sifooyin waxqabad ah oo ka dhigaya mid ku habboon in loo isticmaalo jawiga baahida leh halkaas oo alaabta dhaqameedku hoos u dhici karto.
Codsiga aasaasiga ah ee maaddadu waxay ku jirtaa soo saarista substrates dhoobada, kuwaas oo u adeega sida qaybaha aasaasiga ah ee aaladaha semiconductor, elektiroonigga tamarta, iyo warshadaha kale ee farsamada sare. Substrates-yadani waxay ka faa'iidaystaan awoodda maaddada si ay si wax ku ool ah u baabi'iso kulaylka iyadoo la ilaalinayo go'doominta korantada, taas oo ka dhigaysa mid muhiim u ah hababka elektaroonigga ah ee casriga ah ee u baahan kalsooni sare iyo adkeysi. Haddii loo isticmaalo iftiinka LED-ka, qaybaha microwave-ka, ama wareegyada isku-dhafan, Codsiyada Qalabka Aluminium Nitride waxay muujinayaan joogitaan xooggan oo ku saabsan qaybo badan oo tignoolajiyadeed.
Mid ka mid ah sifooyinka ugu caansan ee Aluminium Nitride waa xajinta kuleylka sare, taas oo u oggolaanaysa inay si wax ku ool ah ugu wareejiso kulaylka ka fog qaybaha elektaroonigga ah ee xasaasiga ah. Hantidan ayaa si gaar ah uga dhigaysa mid qiimo leh codsiyada halka maaraynta kulaylku ay muhiim tahay. Intaa waxaa dheer, korantadeeda joogtada ah ee dielectric hooseeya iyo jabinta sare waxay gacan ka geysataa ku habboonaanteeda codsiyada-soo noqnoqda sare iyo kuwa-sare. Qalabka ayaa sidoo kale soo bandhigaya iska caabin heer sare ah oo ku saabsan oksaydhka iyo daxalka, hubinta waxqabadka muddada dheer xitaa xaaladaha adag.
Marka la eego qaab-dhismeedka, Substrate-yada Aluminium Nitride Ceramic Substrates waxaa lagu soo saaray iyadoo la adeegsanayo farsamooyin horumarsan si loo gaaro qaab-dhismeed yar oo cufan oo isku mid ah. Tani waxay hubinaysaa awoodda farsamada ee joogtada ah iyo waxqabadka kulaylka dhammaan walxaha. Substrate-yada waxaa lagu habeyn karaa cabbirkooda, qaabka, iyo dhumucda si ay u buuxiyaan shuruudaha naqshadeynta gaarka ah, iyagoo siinaya dabacsanaan codsiyo kala duwan. La jaanqaadkooda hababka kala duwan ee wax-soo-saarka ayaa sii wanaajinaya rafcaankooda horumarinta hababka elektaroonigga ah ee soo socda.
Aluminium Nitride waxaa si weyn looga isticmaalaa warshadaha sida isgaarsiinta, baabuurta, hawada, iyo tamarta la cusboonaysiin karo. Dhanka isgaarsiinta, waxay door muhiim ah ka ciyaartaa horumarinta qaybaha gudbinta xogta xawaaraha sare leh. Warshadaha baabuurta, waxaa lagu shaqeeyaa qaybaha korantada iyo hababka dareemayaasha si loo hagaajiyo waxtarka iyo isku halaynta. Isticmaalkeeda tignoolajiyada hawada sare waxay muujinaysaa awoodda ay u leedahay inay ku qabato heerkul aad u daran iyo walbahaarka farsamada. Waxaa intaa dheer, dhinaca tamarta dib loo cusboonaysiin karo, Aluminium Nitride waxay taageertaa horumarinta hababka beddelka tamarta waxtarka leh oo waara.
Isticmaalayaasha ayaa soo sheegay ku qanacsanaanta sare ee waxqabadka iyo kala-duwanaanta Aluminium Nitride. Kuwo badan ayaa ka mahadceliya awoodda ay u leedahay in ay kor u qaaddo hufnaanta nidaamka iyada oo la dhimayo dayactirka iyo kharashka beddelka. Injineerada iyo naqshadeeyayaasha ayaa inta badan muujiya doorka ay ku leedahay awood u yeelashada nashqadaha alaabada cusub ee aan markii hore lagu guulaysan karin agabka caadiga ah. Sumcadda maaddada ee joogteynta iyo isku halaynta ayaa ka dhigtay doorasho la aamini karo oo ka mid ah xirfadlayaasha goobta alaabta horumarsan.
Aluminium NITRIDE
|
ITEM
|
UNIT
|
Indicators
|
Testing Standards
|
|
Color status
|
-------
|
Grey
|
3.2
|
|
Volume density
|
G/cm3
|
≥3.33
|
GB/T 2413
|
|
Thermal conductivity
|
20℃,W(m.k)
|
≥170
|
GB/T 5598
|
|
Dielectric constant
|
1MHz
|
8~10
|
GB/T 5594.4
|
|
Breakdown strength
|
KV/mm
|
≥17
|
GB/T 5593
|
|
Bending Resistance
|
MPa
|
≥450
|
GB/T 5593
|
|
Warpage
|
Length‰
|
≤2‰
|
-
|
|
Surface Roughness
|
um
|
0.3~0.6
|
GB/T 6062
|
|
Water absorption rate
|
%
|
0
|
GB/T 3299-1996
|
|
Volume Resistivity
|
20℃,Ω.cm
|
≥1013
|
GB/T 5594.5
|
|
Coefficient of Thermal expansion
|
10-6/℃
|
20~300℃
|
2~3
|
GB/T 5593
|
|
300~800℃
|
2.5~3.5
|
ALUMINA NITRIDE POWDER TECH DATA
|
ITEM
|
SPEC
|
RESULT
|
|
Mean Particle Size(um)
|
60-100
|
97.55
|
|
Y2O3 (WT%)
|
5
|
5
|
|
Bulk Density(g/cm3)
|
0.8~1.0
|
0.84
|
|
Fluidity(s/50g)
|
80~100
|
90.87
|
|
Impurity
|
Ca(ppm)
|
< 500
|
200
|
|
Si(ppm)
|
< 100
|
13
|
|
Fe(ppm)
|
< 30
|
< 10
|