Electrode Sapphire Substrate le Wafer C-sefofane sa LED Substrates

Tlhaloso e Khutšoanyane:

Ho ipapisitsoe le ntlafatso e tsoelang pele ea mahlale a safire le katoloso e potlakileng ea mmaraka oa kopo, li-wafers tsa substrate tse 4 inch le 6 inch li tla amoheloa haholoanyane ke lik'hamphani tse kholo tsa chip ka lebaka la melemo ea tsona ea tlhaho ts'ebelisong ea tlhahiso.


Likaroloana

Tlhaloso

KAKARETSO

Foromo ea Lik'hemik'hale

Al2O3

Sebopeho sa Crystal

Sistimi ea Hexagonal (hk o 1)

Tekanyo ea lisele tsa Unit

a=4.758 Å,Å c=12.991 Å, c:a=2.730

KHABANE

 

Metric

Senyesemane (Imperial)

Botenya

3.98 g/cc

0.144 lb/in3

Ho thatafala

1525 - 2000 Knoop, 9 mhos

3700° F

Melting Point

2310 K (2040° C)

 

SEBOPEHO

Matla a tšepe

275 MPa ho isa ho 400 MPa

40,000 ho isa ho 58,000 psi

Matla a Tensile ho 20° C

 

58,000 psi (moqapi min.)

Matla a Tensile ho 500° C

 

40,000 psi (moqapi min.)

Matla a Tensile ho 1000° C

355 MPa

52,000 psi (moqapi min.)

Matla a Flexural

480 MPa ho isa ho 895 MPa

70,000 ho isa ho 130,000 psi

Matla a Khatello

2.0 GPA (qetellong)

300,000 psi (mafelelong)

Sapphire e le semiconductor circuit substrate

Li-wafers tse tšesaane tsa safire e bile ts'ebeliso ea pele e atlehileng ea substrate e sireletsang moo silicon e ileng ea beoa ho etsa lipotoloho tse kopaneng tse bitsoang silicon on safire (SOS). Ho phaella ho thepa ea eona e babatsehang ea ho pata motlakase, safire e na le conductivity e phahameng ea mocheso. Li-chips tsa CMOS holim'a safire li loketse ka ho khetheha bakeng sa lisebelisoa tsa maqhubu a seea-le-moea (RF) a matla a phahameng a kang lithelefono tsa thelefono, li-radio tsa sechaba tsa tšireletso ea sechaba le mekhoa ea puisano ea sathelaete.

Li-wafers tse le 'ngoe tsa kristale sapphire li boetse li sebelisoa e le li-substrates indastering ea semiconductor bakeng sa lisebelisoa tse thehiloeng ho gallium nitride (GaN). Tšebeliso ea safire e fokotsa litšenyehelo haholo kaha e ka ba 1/7th theko ea germanium.GaN holim'a safire hangata e sebelisoa ka blue light emitting diodes (LEDs).

Sebelisa e le thepa ea fensetere

Synthetic sapphire (eo ka linako tse ling e bitsoang khalase ea safire) hangata e sebelisoa e le thepa ea lifensetere hobane e pepenene haholo lipakeng tsa 150 nm (ultraviolet) le 5500 nm (infrared) wavelengths ea khanya (maqhubu a bonahalang a tloha ho 380 nm ho isa ho 750 nm) mme e na le khanyetso e phahameng haholo ea scra. Melemo ea bohlokoa ea lifensetere tsa safire

Kenyelletsa

Bophahamo ba phetiso e pharalletseng haholo, ho tloha ho UV ho isa leboneng le haufi le infrared

E matla ho feta lisebelisoa tse ling tsa optical kapa lifensetere tsa khalase

E hanana haholo le ho hloa le ho abrasion (bothata ba liminerale ba 9 sekaleng sa Mohs, ea bobeli ho daemane le moissanite har'a lintho tsa tlhaho)

Sebaka se phahameng haholo sa ho qhibiliha (2030°C)

Setšoantšo se qaqileng

Electrode Sapphire Substrate le Wafer (1)
Electrode Sapphire Substrate le Wafer (2)

  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona