Silicon Carbide Wafer Handling Furnace Components — for Diffusion, Oxidation, Annealing & LPCVD Furnaces
ADCERAX Silicon Carbide Wafer Handling Furnace Components — wafer boats, paddles, brackets, tubes and carriers — support and position wafers inside high-temperature furnaces. As passive SiC parts (no heating, no electrical function), they cut wafer slip, deformation, and particle/metal contamination that shorten quartz or low-purity carrier life.
We cover semiconductor high-purity lines (CVD-SiC / RSiC / SSiC for diffusion, oxidation, annealing, LPCVD) and PV diffusion lines (dense RBSiC/SiSiC), matched to your furnace, wafer size, slot pitch and purity.
100–300 mm
Wafer size/ 156–210 mm（PV）
What Are Silicon Carbide Wafer Handling Furnace Components?
SiC wafer handling components are precision-formed carriers used to load, support, and stabilize wafers inside high-temperature diffusion, oxidation, and LPCVD furnace systems. They control wafer spacing, minimize deformation, and maintain stable thermal environments during long processing cycles.
Their SiC structure offers high rigidity and predictable thermal response under repeated up to 1600°C operations. These components are essential in PV cell diffusion lines and compound semiconductor thermal processing equipment.
Silicon Carbide Wafer Handling Furnace Components Properties
These specifications summarize the structural, mechanical, and thermal characteristics required for diffusion and oxidation furnace loading systems. Values correspond to typical RBSiC/SSiC configurations used in PV and semiconductor production environments.
| Parameter | Specification |
|---|---|
| Material System | Reaction-Bonded SiC (RBSiC) / Sintered SiC (SSiC) |
| Maximum Operating Temperature | 1380-1600°C continuous |
| Thermal Conductivity | 170–200 W/m·K |
| Coefficient of Thermal Expansion (CTE) | ~4.2 × 10⁻⁶ /K |
| Flexural Strength | 220–320 MPa range |
| Elastic Modulus | 300–420 GPa |
| Density | 2.95–3.2 g/cm³ |
| Open Porosity | <1% typical |
| Slot Pitch Tolerance | ≤0.05–0.10 mm |
| Flatness / Straightness | ≤0.10 mm per 200–300 mm span |
| Surface Roughness | Ra 0.2–0.8 μm |
| Shock Resistance | ΔT up to 250°C |
| Chemical Compatibility | Oxidizing, inert, and vacuum atmospheres |
Choose your SiC material route
The right route depends on your purity limit, process temperature and line type — compare the four below.
CVD-SiC (coated)
Low metal contamination, dense low-particle surface for tight-purity lines.
Boundary — coating thickness, pinhole and adhesion confirmed per part.
Semiconductor high-purity
RSiC (recrystallized)
Higher-purity route for high temperature and heavy thermal-shock use.
Boundary — porous; high-purity lines may need CVD sealing.
High-temp / thermal shock
RBSiC / SiSiC
Dense, cost-effective choice for PV cell diffusion lines.
Boundary — contains free silicon; not a default for semiconductor high-purity lines.
PV diffusion / cost-effective
SSiC (sintered)
Dense, chemically inert, high-temperature high-purity option.
Boundary — cost and max-size capability confirmed per part.
High-purity / inert
Send your furnace type, wafer size, temperature and contamination limit — we confirm the route at drawing review.
SiC Wafer Handling Furnace Components Product Range
Silicon Carbide Wafer Boat provides aligned wafer slot geometry and stable spacing during high-temperature diffusion and oxidation cycles.
Silicon Carbide Boat Bracket maintains accurate mounting positions and stabilizes SiC boats inside thermal furnace chambers.
Silicon Carbide Cantilever Paddle delivers long-span wafer support and minimized deflection for horizontal diffusion systems.
Where SiC Wafer Handling Furnace components are used
Find your furnace and process, the component it uses, and the failure mode it removes.
Semiconductor lines 100–300 mm · high-purity routes
Diffusion & oxidation
Holds and spaces wafers through diffusion/oxidation cycles.
Solves — slot drift, deformation, particle/metal contamination.
Wafer boat
LPCVD & annealing
Long-span load and transfer into the process tube.
Solves — deflection, vibration-induced micro-cracks.
Cantilever paddle
Wafer transfer & support
Mounts and stabilizes boats during load and processing.
Solves — misalignment, contamination on tight-purity lines.
Boat bracket · carrier
Photovoltaic lines 156–210 mm · cost-effective routes
PV diffusion loading
Holds cells through phosphorus diffusion cycles.
Solves — quartz deformation, unstable slot pitch.
Wafer boat
PV oxidation support
Stabilizes carriers across oxidation cycles.
Solves — span deflection, geometry drift.
Boat bracket
PV PECVD pre-load transfer
Transfers thin wafers before deposition.
Solves — thermal shock, breakage of thin wafers.
Cantilever paddle
Custom Silicon Carbide Wafer Handling Furnace Components
We specialize in customizing silicon carbide wafer handling furnace components with special sizes, tight tolerances, and complex features. OEM and small-batch support available.
Customization Options
Extra-large / Extra-small diameters, non-standard thicknesses, and ultra-long / ultra-short lengths.
Provide higher - level dimensional accuracy and concentricity control than the standard.
Flanges, steps, threads, drilling holes, grooves, etc.
Adjust the material according to the application requirements.
Polish and grind the surface to achieve a specific surface roughness.
Customization Process
Send us your drawing, CAD file, or physical sample with material grade, dimensions, tolerances, and quantity. Our engineers will evaluate the design and provide a detailed quotation with lead time and pricing.
Once the quote is approved, we proceed with sample prototyping (1–50 pcs) if needed, for testing and validation.
After sample approval or direct confirmation, we begin batch manufacturing using CNC machining, sintering, and polishing. All parts undergo dimensional checks, material purity testing, and surface finish inspection.
Finished products are securely packed and shipped via DHL/FedEx/UPS or your preferred method. We support global delivery with full documentation.
One-stop manufacturing capability
Full chain in-house — from material route to batch-tracked repeat production, for semiconductor and PV wafer furnace components.
Precision machining
OD, ID, slots, holes, steps and chamfers machined to your drawing.
Tight-tolerance class — factory-confirm per feature
Diamond grinding
Flatness, straightness and slot-pitch finishing on functional faces.
Surface finish Ra 0.2–0.8 μm
High-temp sintering
Dense SiC via controlled ramp profiles for stable geometry.
Sintering ceiling — factory-confirm
Dimensional inspection
CMM and geometry checks on slot pitch, flatness and fit.
Inspection report available per RFQ
Precision cleaning
Ultrasonic cleaning of slots, holes and micro-features.
High-purity routes for contamination limits
Repeat production
Batch-tracked so replacement parts match the original fit.
Prototype → pilot → repeat supply
FAQs About SiC Wafer Handling Furnace Components
A sintered SiC wafer boat provides near-zero porosity and maintains structural accuracy at temperatures above 1400°C. This material maintains slot pitch stability, allowing diffusion furnaces to preserve wafer alignment maintains typical dimensional stability across repeated cycles. Its creep resistance prevents long-span deformation commonly seen in porous ceramics. As a result, Silicon Carbide Wafer Handling Furnace Components based on SSiC ensure long-term geometric reliability.
A high-purity SiC route (CVD-SiC, RSiC or SSiC by grade) helps limit particle shedding and metal contamination during oxidation and annealing. Actual purity and metal ppm targets are confirmed at RFQ against your process.
A vertical-diffusion-furnace SiC wafer boat holds wafers in a stacked orientation where pitch uniformity and thermal equalization matter. SiC keeps typical dimensional stability across repeated cycles by grade; the wafer size and slot pitch are set by your drawing.
A SiC cantilever beam provides typical long-span rigidity (elastic modulus typically above 300 GPa by grade) that resists bending during automated wafer loading. Span, stiffness and end interface are confirmed by your drawing.
An advanced SiC cantilever paddle supports rapid thermal transfer by grade with low thermal expansion, which helps limit thermal shock during loading. The suitable temperature ramp and duty are confirmed by engineering review for your process.
SiC keeps typical dimensional stability by grade thanks to a low CTE (typical by grade). Slot pitch tolerance is set by your drawing and by our inspection; it varies by grade and duty.
Typical flexural strength by grade and a dense SiC microstructure spread thermal loads across the span, which helps limit creep and deformation. The suitable span and support scheme are confirmed by engineering review.
SiC boats and paddles keep typical flatness and straightness by grade, which lowers mechanical stress on thin wafers. Thermal-shock behavior helps limit micro-fracture initiation. Actual breakage rate depends on the wafer, the process and the handling.
What to Send for a SiC Wafer Furnace Component Quote
For a fast engineering review, please share:
- Component type — wafer boat, cantilever paddle, boat bracket, process tube or carrier
- Furnace & process — horizontal or vertical; diffusion, oxidation, annealing, LPCVD, epi, or PV line
- Wafer size — 100 / 150 / 200 / 300 mm (semi) or 156 / 166 / 182 / 210 mm (PV)
- Slot count & pitch — plus flatness / parallelism if critical
- Material route — CVD-SiC / RSiC / RBSiC / SSiC, or "advise us"
- Purity / contamination — SiC%, metal-ppm target, semiconductor-grade or PV-grade
- Surface & geometry — Ra, straightness, max length, support points; old-part photo if replacing
- Drawing, photo or old part — PDF, DXF, STEP or image
Plus quantity — sample, pilot, annual spares or repeat production. Our engineers confirm the SiC route (CVD-SiC / RSiC / RBSiC / SSiC), feasibility and typical lead time by review before quotation.
*Our team will answer your inquiries within 24 hours.
*Your information will be kept strictly confidential.
info@adcerax.com
Tel:+86-0731-84428843
WhatsApp:+86 19311583352
Within 24 hours
