SiC Coated Epitaxial Susceptor yeWafer Processing

Iyo SiC Coated Epitaxial Susceptor chinhu chakakosha mu semiconductor wafer processing, kunyanya mu epitaxial kukura matekiniki akadai MOCVD, CVD, uye LPE. Ichiita semutakuri wewafer mukati me-high-temperature reactors, iyo susceptor inovimbisa kumira kwakagadzikana, kupisa yunifomu, uye kusvibiswa-isina kugadziridzwa, izvo zvakakosha pakugadzira epamusoro-mhando epitaxial layers paSiC uye kompani semiconductor wafers.

Mabasa Akakosha muWafer Processing

1. Yakarurama Wafer Support

Iyo susceptor inopa yakagadzikana chikuva chewaferi panguva yekukura epitaxial. Kurongeka kwayo kwedimensional uye kupfava kwepasi kunoderedza kuchinjika kwewafer kana deformation, kuve nechokwadi chekuisa yunifomu pane yese wafer pamusoro.

2. Optimized Thermal Management

Iine graphite base uye dense SiC coating, iyo susceptor inosanganisa yakakwira yekupisa conductivity nepamusoro pekupisa kupisa. Izvi zvinogonesa:

● Kukurumidza kupisa uye kutonhora kutenderera

● Uniform tembiricha kugovera pane wafer

● Kuvandudzwa kwekutonga kwe epitaxial layer thickness uye doping profiles

3. Corrosion & Contamination Resistance

Mune epitaxial maitiro anosanganisira gasi anoodza (NH₃, HCl, Cl₂), iyo SiC coating inodzivirira iyo graphite substrate kubva mukukukurwa uye inodzivirira chidimbu chizvarwa. Iyo yakakwira-kuchena SiC layer inochengetedza nzvimbo yekukura yakachena, ichidzikisa hurema hwekristaro uye njodzi dzekusvibiswa.

4. Process Control & Optical Benefits

Iyo yemaziso zvimiro zveSiC coating inobvumira kwakaringana infrared-based tembiricha kuyerwa uye kugadziridzwa kwemissivity, zvichibatsira kune zvirinani maitiro ekutarisa uye yunifomu epitaxial kukura.

Matambudziko Ounyanzvi uye Kuvandudza

Kunyangwe zvakanakira, Yedu SiC yakavharwa epitaxial susceptors inotarisana nemamwe matambudziko einjiniya:

1. Coating Uniformity -Non-uniform SiC coating inogona kutungamira kune hotspots kana kusaenzana wafer kudziyisa.

● Kuvandudza: Shandisa maitiro ekugadzirisa eCVD-SiC ane optimized deposition parameters kuti uwane yakakwirira-density uye yunifomu machira.

2. Particle Generation -Micro-cracks kana kuremara mujasi inogona kuburitsa zvimedu mukamuri yekugadzira.

● Kuvandudza: Shandisa maitiro akawanda ekuputira uye kuongorora nguva dzose pamusoro pekudzikisa njodzi.

3. Hupenyu hwose pasi peHash Conditions -Kugara kuratidzwa kune tembiricha yepamusoro (> 1600 ° C) uye gasi rinoparadza rinopfupisa hupenyu hwevatambi.

● Kuvandudza: Shandisa chizvarwa chinotevera chekuputira zvinhu kana nzira dzeSiC doping kuti uwedzere kusimba uye kuwedzera maitiro ekushanda.

4. Thermal Stress Management -Kusiyana kwekuwedzera kwemazinga pakati pegraphite substrate uye SiC coating inogona kukonzera kushushikana.

● Kuvandudza: Gadzirisa substrate machining uye coating ukobvu kuenzanisa kuwedzera kupisa uye kudzivirira delamination.

Semixlab SiC Coated Epitaxial Susceptor haingori chibatiso chete-icho chinogonesa chepamusoro-mhando epitaxial kukura muindasitiri yesemiconductor. Nekugadzirisa zvipingamupinyi mukupfeka kufanana, kushushikana kwekushisa, uye kutonga kwechikamu, Semixlab inopa mhinduro dzakavimbika, dzenguva refu dzinosangana nezvinodiwa zvakasimba zvechizvarwa chinotevera semiconductor kugadzira. Semixlab inotarisira kuve mudiwa wako wenguva refu muChina.