LT Lithium Tantalate (LiTaO3) Crystal 2inch/3inch/4inch/6寸inch Orientaiton Y-42°/36°/108° Makulidwe 250-500um

Kufotokozera Kwachidule:

Zophika za LiTaO₃ zimayimira makina ofunikira a piezoelectric ndi ferroelectric, omwe amawonetsa ma piezoelectric coefficients, kukhazikika kwamafuta, ndi mawonekedwe owoneka bwino, kuwapangitsa kukhala ofunikira kwambiri pazosefera zapamadzi acoustic wave (SAW), ma resonator ochuluka acoustic wave (BAW), optical modulators, ndi ma infrared. XKH imagwira ntchito zapamwamba kwambiri za LiTaO₃ wafer R&D ndi kupanga, kugwiritsa ntchito kukula kwa kristalo ya Czochralski (CZ) ndi njira zamadzimadzi za epitaxy (LPE) kuwonetsetsa kuti kristalo wapamwamba kwambiri wokhala ndi chilema <100/cm².

XKH imapereka zowotcha za 3-inch, 4-inch, ndi 6-inch LiTaO₃ zokhala ndi mawonekedwe angapo a crystallographic (X-cut, Y-cut, Z-cut), kuthandizira ma doping makonda (Mg, Zn) ndi ma poling kuti akwaniritse zofunikira zenizeni. Dielectric constant (ε~40-50), piezoelectric coefficient (d₃₃~8-10 pC/N), ndi Curie kutentha (~ 600°C) zimakhazikitsa LiTaO₃ monga gawo lapansi lokondedwa la zosefera zothamanga kwambiri komanso masensa olondola.

Kupanga kwathu kophatikizika kophatikizika kumakhudza kukula kwa kristalo, kuwotcha, kupukuta, ndi kuyika kwakanema kwakanema, komwe kumakhala ndi mphamvu zopanga mwezi uliwonse zopitilira 3,000 zowotcha kuti zithandizire kulumikizana ndi 5G, zamagetsi zamagetsi, ma photonics, ndi mafakitale achitetezo. Timapereka upangiri waukadaulo wathunthu, mawonekedwe a zitsanzo, ndi ntchito zocheperako kuti tipereke mayankho okhathamiritsa a LiTaO₃.

Titumizireni imelo

Mawonekedwe

Zosintha zaukadaulo

Dzina	Optical-grade LiTaO3	Mlingo wa tebulo la mawu LiTaO3
Axial	Z kudula + / - 0,2 °	36 ° Y kudula / 42 ° Y kudula / X kudula(+ / - 0.2 °)
Diameter	76.2mm + / - 0.3mm/100 ± 0.2mm	76.2mm + /-0.3mm100mm +/-0.3mm 0r 150±0.5mm
Datum ndege	22mm +/- 2mm	22mm +/-2mm32mm + 2mm
Makulidwe	500um +/- 5mm1000um +/- 5mm	500um +/-20mm350um +/-20mm
TTV	≤10um	≤10um
Curie kutentha	605 °C + / - 0.7 °C (DTA njira)	605 °C + / -3 °C (DTA njira
Ubwino wapamwamba	Kupukuta kwa mbali ziwiri	Kupukuta kwa mbali ziwiri
Chamfered m'mphepete	kuzungulira m'mphepete	kuzungulira m'mphepete

Makhalidwe Ofunikira

1.Mapangidwe a Crystal ndi Magwiridwe Amagetsi

· Kukhazikika kwa Crystallographic: 100% 4H-SiC polytype dominance, zero multicrystalline inclusions (mwachitsanzo, 6H / 15R), ndi XRD rocking curve yodzaza ndi theka-maximum (FWHM) ≤32.7 arcsec.
· High Carrier Mobility: Kuyenda kwa ma elekitironi a 5,400 cm²/V·s (4H-SiC) ndi kuyenda kwa mabowo 380 cm²/V·s, kupangitsa mapangidwe azipangizo zamafupipafupi.
·Kulimba kwa Radiation: Imapirira 1 MeV neutron radiation yokhala ndi 1 × 10¹⁵ n/cm², yabwino pazamlengalenga ndi kugwiritsa ntchito zida za nyukiliya.

2.Thermal ndi Mechanical Properties

· Kuthekera Kwapadera kwa Thermal Conductivity: 4.9 W/cm·K (4H-SiC), katatu ya silicon, kuthandizira kugwira ntchito pamwamba pa 200 ° C.
· Low Thermal Expansion Coefficient: CTE ya 4.0 × 10⁻⁶/K (25-1000 ° C), kuonetsetsa kuti zimagwirizana ndi zoyika pa silicon ndikuchepetsa kupsinjika kwa kutentha.

3.Defect Control and Processing Precision
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Kachulukidwe ka Micropipe: <0.3 cm⁻² (zowotcha ma inchi 8), kusasunthika kwapang'onopang'ono <1,000 cm⁻² (kutsimikiziridwa kudzera pa KOH etching).
· Ubwino Pamwamba: CMP yopukutidwa mpaka Ra <0.2 nm, ikukwaniritsa zofunikira za EUV lithography-grade flatness.

Mapulogalamu Ofunika Kwambiri

Domain	Ma Applications Scenarios	Ubwino Waukadaulo
Mawonekedwe a Optical Communications	100G/400G lasers, silicon photonics hybrid modules	Magawo a mbewu a InP amathandiza mwachindunji bandgap (1.34 eV) ndi Si-based heteroepitaxy, kuchepetsa kutayika kwa kuwala.
New Energy Vehicles	800V high-voltage inverters, ma charger onboard (OBC)	Magawo a 4H-SiC amapirira> 1,200 V, amachepetsa kutayika kwa conduction ndi 50% ndi kuchuluka kwa dongosolo ndi 40%.
5G Communications	Zida za RF za millimeter-wave (PA/LNA), ma amplifiers a base station	Ma Semi-insulating SiC substrates (resistivity >10⁵ Ω·cm) amathandiza kuti ma frequency apamwamba (60 GHz+) agwirizane.
Zida Zamakampani	Masensa otentha kwambiri, zosintha zamakono, zowunikira za nyukiliya	Magawo a mbewu a InSb (0.17 eV bandgap) amapereka mphamvu ya maginito mpaka 300%@10 T.

LiTaO₃ Wafers - Makhalidwe Ofunika

1. Ntchito Yapamwamba ya Piezoelectric

· Ma piezoelectric coefficients apamwamba (d₃₃~8-10 pC/N, K²~0.5%) amathandizira zida zothamanga kwambiri za SAW/BAW zotayika <1.5dB pa zosefera za 5G RF

Kuphatikizika kwabwino kwa electromechanical kumathandizira mapangidwe amtundu wa bandwidth (≥5%) pazosefera za sub-6GHz ndi mmWave

2. Optical Properties

Kuwonekera kwa Broadband (> 70% kutumiza kuchokera ku 400-5000nm) kwa ma electro-optic modulators kukwaniritsa> 40GHz bandwidth

Kuthekera kolimba kosagwirizana ndi mawonekedwe (χ⁽²⁾~30pm/V) kumathandizira m'badwo wachiwiri wa harmonic (SHG) mu makina a laser

3. Kukhazikika Kwachilengedwe

Kutentha kwapamwamba kwa Curie (600 ° C) kumasunga kuyankha kwa piezoelectric m'malo okwera magalimoto (-40 ° C mpaka 150 ° C)

Kusakhazikika kwa Chemical motsutsana ndi ma acid / alkalies (pH1-13) kumatsimikizira kudalirika pakugwiritsa ntchito sensa ya mafakitale

4. Kusintha Maluso

Uinjiniya wowongolera: X-cut (51°), Y-cut (0°), Z-cut (36°) potengera mayankho a piezoelectric

· Zosankha za Doping: Mg-doped (kukana kuwonongeka kwa mawonekedwe), Zn-doped (yowonjezera d₃₃)

· Zomaliza: Kupukuta kokonzeka kwa Epitaxial (Ra<0.5nm), ITO/Au metallization

LiTaO₃ Wafers - Mapulogalamu Oyambirira

1. RF Front-End Modules

· Zosefera za 5G NR SAW (Bandi n77/n79) zokhala ndi kutentha kwapakati pafupipafupi (TCF) <|-15ppm/°C|

· Ma Ultra-wideband BAW resonator a WiFi 6E/7 (5.925-7.125GHz)

2. Integrated Photonics

Ma modulator othamanga kwambiri a Mach-Zehnder (> 100Gbps) pamalumikizidwe owoneka bwino

· Zowunikira za QWIP za infrared zokhala ndi ma cutoff wavelengths kuchokera ku 3-14μm

3. Zamagetsi zamagalimoto

· Masensa oimika magalimoto akupanga ndi> 200kHz pafupipafupi

· Ma transducer a TPMS piezoelectric omwe apulumuka -40 ° C mpaka 125 ° C panjinga yotentha

4. Njira Zotetezera

Zosefera zolandila za EW zokhala ndi> 60dB zokanidwa kunja kwa gulu

· Mawindo a IR ofunafuna missile akutumiza ma radiation a 3-5μm MWIR

5. Emerging Technologies

· Optomechanical quantum transducers kwa microwave-to-optical kutembenuka

· Magulu a PMUT a kujambula kwa ultrasound (>20MHz resolution)

LiTaO₃ Wafers - XKH Services

1. Supply Chain Management

· Kukonzekera kwa Boule-to-wafer ndi nthawi yotsogolera ya masabata 4 pazodziwika bwino

Kupanga kokwera mtengo kumapereka mwayi wamtengo wa 10-15% poyerekeza ndi omwe akupikisana nawo

2. Mwambo Mayankho

· Kuwotcha kwapadera: 36 ° ± 0.5 ° Y-kudula kuti mugwire bwino ntchito ya SAW

· Nyimbo zojambulidwa: MgO (5mol%) doping pakugwiritsa ntchito kuwala

Ntchito zazitsulo: Cr/Au (100/1000Å) ma elekitirodi

3. Thandizo laukadaulo

· Mawonekedwe azinthu: XRD ma curve ogwedezeka (FWHM <0.01 °), kusanthula kwapamwamba kwa AFM

Kuyerekezera kwa chipangizo: FEM kutengera kukhathamiritsa kwa mapangidwe a SAW

Mapeto

Zophika za LiTaO₃ zikupitilizabe kuthandizira kupita patsogolo kwaukadaulo kudutsa kulumikizana kwa RF, ma photonics ophatikizika, komanso masensa achilengedwe. Ukadaulo wapazinthu za XKH, kulondola kwa kupanga, ndi chithandizo chaukadaulo wa ntchito zimathandizira makasitomala kuthana ndi zovuta zamapangidwe mumagetsi am'badwo wotsatira.