Electrode Sapphire Substrate a me Wafer C-plane LED Substrates

ʻO ka wehewehe pōkole:

Ma muli o ka hoʻomau mau ʻana o ka ʻenehana sapphire a me ka hoʻonui wikiwiki ʻana o ka mākeke noi, 4 iniha a me 6 iniha substrate wafers e hoʻohana hou ʻia e nā ʻoihana chip mainstream ma muli o kā lākou pono ponoʻī i ka hoʻohana ʻana i ka hana.

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Hōʻike

KAHIKI
ʻO ke kimekema	Al2O3
Hoʻonaʻauao Crystal	Pūnaehana Hexagonal (hk o 1)
ʻĀpana Cell Unit	a=4.758 Å,Å c=12.991 Å, c:a=2.730
KINO
	Metric	Pelekania (Imperial)
ʻO ka mānoanoa	3.98 g/cc	0.144 lb/in3
ʻoʻoleʻa	1525 - 2000 Knoop, 9 mhos	3700° F
Lae hehee	2310 K (2040° C)
KULA
Ikaika U'i	275 MPa a 400 MPa	40,000 a 58,000 psi
ʻO ka ikaika ma ka 20 ° C		58,000 psi (hoʻolālā min.)
ʻO ka ikaika ma ka 500 ° C		40,000 psi (hoʻolālā min.)
ʻO ka ikaika ma ka 1000 ° C	355 MPa	52,000 psi (hoʻolālā min.)
Paʻa Paʻa	480 MPa i 895 MPa	70,000 a 130,000 psi
Ka ikaika kōmi	2.0 GPa (hope loa)	300,000 psi (hope loa)

ʻO Sapphire ma ke ʻano he substrate kaapuni semiconductor

ʻO nā wafers sapphire lahilahi ka hoʻohana mua ʻana i kahi substrate insulating kahi i waiho ʻia ai ke silikona no ka hana ʻana i nā kaapuni i hoʻohui ʻia i kapa ʻia ʻo silicon on sapphire (SOS). Ma waho aʻe o kāna mau waiwai insulation uila maikaʻi loa, loaʻa i ka sapphire ke kiʻekiʻe thermal conductivity.CMOS chips on sapphire ua kūpono loa ia no nā noi lekiō kiʻekiʻe (RF) e like me nā kelepona paʻa, nā lekiō hui palekana lehulehu a me nā ʻōnaehana kamaʻilio satellite.

Hoʻohana ʻia nā wafers sapphire kristal hoʻokahi ma ke ʻano he substrates i ka ʻoihana semiconductor no ka ulu ʻana i nā mea hana gallium nitride (GaN). ʻO ka hoʻohana ʻana i ka sapphire e hoʻemi nui i nā kumukūʻai e like me ka 1/7th ke kumukūʻai o germanium.GaN ma ka sapphire i hoʻohana mau ʻia i nā diodes kukui uila (LED).

E hoʻohana ma ke ʻano he mea puka makani

Hoʻohana pinepine ʻia ʻo Synthetic sapphire (i kekahi manawa i kapa ʻia ʻo ke aniani sapphire) ma ke ʻano he mea puka makani no ka mea ua ʻike nui ʻia ma waena o 150 nm (ultraviolet) a me 5500 nm (infrared) mau hawewe o ka mālamalama (ʻo ka spectrum ʻike ʻia mai kahi o 380 nm a 750 nm) a he kūpaʻa kiʻekiʻe loa i ka ʻoki ʻana. ʻO nā pōmaikaʻi nui o nā puka makani sapphire

Hoʻokomo

ʻO ka bandwidth hoʻoili optical ākea loa, mai UV a i ke kukui infrared kokoke

ʻOi aku ka ikaika ma mua o nā mea optical a i ʻole nā puka aniani

Paʻa loa i ka ʻoki a me ka abrasion (ka paʻakikī mineral o 9 ma ka pālākiō Mohs, ka lua wale nō i ka daimana a me ka moissanite ma waena o nā mea kūlohelohe)

Kahi hehee kiʻekiʻe loa (2030°C)