Midziyo yeKutetepa kweWafer yeKugadzira Wafers dzeSapphire/SiC/Si dzeInch 4-12

Midziyo yeKutetepa kweWafer ye4 Inch-12 Inch Sapphire/SiC/Si Wafers Processing Mufananidzo Unoratidzwa

Tsananguro pfupi:

Midziyo yeWafer Thinning chishandiso chakakosha mukugadzira semiconductor yekuderedza ukobvu hwewafer kuti iwedzere kutonga kwekupisa, mashandiro emagetsi, uye kushanda zvakanaka kwekurongedza. Midziyo iyi inoshandisa mechanical grinding, chemical mechanical polishing (CMP), uye dry/wet etching technologies kuti iwane ultra-precise thickness control (± 0.1 μm) uye inoenderana nemawafers ane 4–12-inch. Masisitimu edu anotsigira C/A-plane orientation uye akagadzirirwa maapplication epamusoro akadai se3D ICs, power devices (IGBT/MOSFETs), uye MEMS sensors.

XKH inopa mhinduro dzakakwana, dzinosanganisira michina yakagadzirirwa iwe (2–12-inch wafer processing), kugadzirisa mashandiro (defect density <100/cm²), uye kudzidziswa kwehunyanzvi.

Tumira email kwatiri

Zvinhu zvirimo

Nheyo yekushanda

Maitiro ekutetepa wafer anoshanda muzvikamu zvitatu:
Kukuya Kwakashata: Vhiri redhaimani (hukuru hwegrit 200–500 μm) rinobvisa 50–150 μm yezvinhu pa3000–5000 rpm kuti rideredze ukobvu nekukurumidza.
Kukuya Zvidiki: Vhiri rakatetepa (hukuru hwegrit 1–50 μm) rinoderedza ukobvu kusvika 20–50 μm pa <1 μm/s kuderedza kukuvara kuri pasi pevhu.
Kupukuta (CMP): Slurry yemakemikari inobvisa kukuvara kwakasara, zvichiita kuti Ra <0.1 nm isvike.

Zvinhu Zvinowirirana

Silicon (Si): Yakajairika yemawafer eCMOS, yakachekwa kusvika 25 μm yekuisa zvinhu mu3D stacking.
Silicon Carbide (SiC): Inoda mavhiri edhaimani akasarudzika (80% dhaimani yakawanda) kuti pave nekugadzikana kwekupisa.
Sapphire (Al₂O₃): Yakatetepa kusvika 50 μm yekushandisa UV LED.

Zvikamu zveSisitimu Yepakati

1. Sisitimu Yekukuya
Chigayo cheDual-Axis: Chinosanganisa kugayiwa kwakakora/kwakatsetseka pachikuva chimwe chete, zvichideredza nguva yekugayiwa ne40%.
Spindle yeAerostatic: 0–6000 rpm yekumhanya ine <0.5 μm radial runout.

2. Sisitimu Yekubata Wafer
Vacuum Chuck: >50 N inobata simba ine ±0.1 μm chaiyo yekuisa.
Robhoti Ruoko: Rinotakura mawafer ane 4–12-inch pa100 mm/s.

3. Sisitimu Yekudzora
Kuongororwa kweLaser Interferometry: Kuongororwa kweukobvu hwechinhu panguva chaiyo (resolution 0.01 μm).
Feedforward inotungamirirwa neAI: Inofanotaura nezvekupera kwemavhiri uye inogadzirisa ma parameter otomatiki.

4. Kutonhodza & Kuchenesa
Kuchenesa neUltrasonic: Kunobvisa zvidimbu >0.5 μm ne99.9% inoshanda zvakanaka.
Mvura Yakabviswa Maion: Inotonhodza wafer kusvika pasi pe5°C pamusoro penzvimbo.

Zvakanakira Zvikuru

1. Kunyatsojeka Kwazvo: TTV (Kusiyana Kwehukobvu Hwese) <0.5 μm, WTW (Kusiyana Kwehukobvu Hwemukati meWafer) <1 μm.

2. Kubatanidzwa KwemaProcess Akawanda: Kunobatanidza kukuya, CMP, uye plasma etching mumuchina mumwe chete.

3. Kuenderana kwezvinhu:
Silicon: Kudzikiswa kweukobvu kubva pa775 μm kusvika pa25 μm.
SiC: Inosvika <2 μm TTV yemapurogiramu eRF.
MaWafer Akadhayiwa: Mawafer eInP akadhayiwa nePhosphorus ane resistivity drift pasi pe5%.

4. Smart Automation: Kubatanidzwa kweMES kunoderedza kukanganisa kwevanhu ne70%.

5. Kushanda Nesimba: Kushandiswa kwesimba kwakaderera ne30% kuburikidza nekubvisa mabhureki anodzoreredza simba.

Zvishandiso Zvikuru

1. Kurongedza Kwepamusoro
• 3D ICs: Kudzikisa wafer kunogonesa kurongedza vertical stacking yema logic/memory chips (semuenzaniso, HBM stacks), kuwana bandwidth yakakwira ne10× uye kushandiswa kwesimba kwakaderedzwa ne50% zvichienzaniswa nemhinduro dze2.5D. Midziyo iyi inotsigira hybrid bonding uye TSV (Through-Silicon Via) integration, yakakosha kuma processor eAI/ML anoda <10 μm interconnect pitch. Semuenzaniso, ma wafer e12-inch akaderedzwa kusvika 25 μm anobvumira kurongedza 8+ layers uku achichengetedza <1.5% warpage, yakakosha kuma automotive LiDAR systems.

• Kurongedza Kubuda Kwefeni: Nekuderedza ukobvu hwewafer kusvika pa30 μm, kureba kwekubatanidza kunopfupikiswa ne50%, zvichideredza kunonoka kwechiratidzo (<0.2 ps/mm) uye zvichiita kuti 0.4 mm ive yakatetepa kwazvo kune maSoC emafoni. Maitiro aya anoshandisa maalgorithms ekukuya anodzorwa nestress kudzivirira warpage (>50 μm TTV control), zvichiita kuti zvive pachena kuti RF applications dzakavimbika.

2. Magetsi Emagetsi
• Mamodule eIGBT: Kutetepa kusvika ku50 μm kunoderedza kuramba kwekupisa kusvika ku <0.5°C/W, zvichiita kuti 1200V SiC MOSFETs ishande patembiricha ye200°C junction. Midziyo yedu inoshandisa multi-stage grinding (yakakora: 46 μm grit → fine: 4 μm grit) kubvisa kukuvara pasi pevhu, zvichiita kuti pave ne>10,000 cycles dzekuvimbika kwekupisa. Izvi zvakakosha kune maEV inverters, uko maSiC wafers ane ukobvu hwe10 μm anovandudza switching speed ne30%.
• Zvishandiso zveMagetsi zveGaN-on-SiC: Kuderedza mawafer kusvika 80 μm kunowedzera kufamba kwemaerekitironi (μ > 2000 cm²/V·s) kune 650V GaN HEMTs, zvichideredza kurasikirwa kwekufambisa ne18%. Maitiro aya anoshandisa laser-assisted dicing kudzivirira kutsemuka panguva yekutetepa, zvichiita kuti <5 μm edge chipping yeRF power amplifiers ishande.

3. Optoelectronics
• Ma LED eGaN-on-SiC: 50 μm sapphire substrates inovandudza kushanda zvakanaka kwekuburitsa chiedza (LEE) kusvika ku85% (zvichienzaniswa ne65% yema wafers e150 μm) nekuderedza kubatwa kwe photon. Kudzora kweTTV kwemuchina wedu (<0.3 μm) kunovimbisa kubuda kwe LED kwakafanana pama wafers e12-inch, zvakakosha pakuratidza ma Micro-LED anoda kufanana kwewavelength ye <100nm.
• Silicon Photonics: 25μm-gobvu silicon wafers dzinoita kuti kurasikirwa kwekupararira kwe3 dB/cm kuderera muma waveguides, zvakakosha kuma 1.6 Tbps optical transceivers. Maitiro aya anobatanidza CMP smoothing kuderedza kuomarara kwenzvimbo kusvika kuRa <0.1 nm, zvichiwedzera kushanda zvakanaka kwekubatanidza ne40%.

4. Masensa eMEMS
• Accelerometers: 25 μm silicon wafers inosvika SNR >85 dB (zvichienzaniswa ne75 dB yemawafers e50 μm) nekuwedzera proof-mass displacement sensitivity. Sisitimu yedu yekukuya ine dual-axis inotsiva stress gradients, zvichiita kuti <0.5% sensitivity drift pamusoro pe -40°C kusvika 125°C. Mashandisirwo anosanganisira automotive crash detection uye AR/VR motion tracking.

• MaSensor ekumanikidza: Kutetepa kusvika 40 μm kunoita kuti 0–300 bar measurements ive ne <0.1% FS hysteresis. Uchishandisa temporal bonding (magirazi carriers), maitiro aya anodzivirira kupwanyika kwewafer panguva yekuchekwa kwemusana, zvichiita kuti <1 μm ikwanise kushivirira kudzvanywa kwakanyanya kwemasensor eIoT eindasitiri.

• Kubatana Kwehunyanzvi: Midziyo yedu yekutetepa wafer inobatanidza kukuya kwemuchina, CMP, uye plasma etching kugadzirisa matambudziko akasiyana-siyana ezvinhu (Si, SiC, Sapphire). Semuenzaniso, GaN-on-SiC inoda kukuya kwakasanganiswa (mavhiri edhaimani + plasma) kuti ienzanise kuomarara uye kuwedzera kwekupisa, nepo masensa eMEMS achida sub-5 nm surface roughness kuburikidza neCMP polishing.

• Kukanganisa Kweindasitiri: Nekugonesa mawafer akatetepa, anoshanda zvakanyanya, tekinoroji iyi inosimudzira hunyanzvi muAI chips, 5G mmWave modules, uye flexible electronics, neTTV tolerances <0.1 μm ye displays dzinopetwa uye <0.5 μm ye automotive LiDAR sensors.

Mabasa eXKH

1. Mhinduro Dzakagadzirirwa
Magadzirirwo Anogona Kuwedzerwa: Magadzirirwo emakamuri ane 4–12-inch ane otomatiki anorodha/kuburitsa zvinhu.
Rutsigiro rweDoping: Mabikirwo akagadzirwa nemakristaro akadhayiwa Er/Yb uye mawafers eInP/GaAs.

2. Rutsigiro rweKubva Kumagumo
Kugadzira Maitiro: Kuedza kwemahara kunoshanda zvakanaka.
Kudzidziswa Pasirose: Misangano yehunyanzvi gore rega rega pamusoro pekugadzirisa nekugadzirisa matambudziko.

3. Kugadziriswa Kwezvinhu Zvakawanda
SiC: Kutetepa kwewafer kusvika 100 μm neRa <0.1 nm.
Safira: Ukobvu hwe50μm hwemahwindo eUV laser (transmittance >92%@200 nm).

4. Mabasa Akawedzerwa Kukosha
Zvinoshandiswa: Mavhiri edhaimani (2000+ wafers/hupenyu hwese) uye CMP slurry.

Mhedziso

Muchina uyu wekucheka wafer thinning une hunyanzvi hwepamusoro muindasitiri, une hunyanzvi hwezvinhu zvakawanda, uye unogadzirisa otomatiki, zvichiita kuti zvive zvakakosha pakubatanidzwa kwe3D uye magetsi emagetsi. Masevhisi akazara eXKH—kubva pakugadzirisa kusvika pakugadzirisa—anovimbisa kuti vatengi vanowana kushanda kwakanaka uye kugona mukugadzira semiconductor.