
High-Purity Quartz Wafer Boats for Critical Wafer Processing
VET Energy manufactures high-purity quartz wafer boats from fused silica for semiconductor and photovoltaic high-temperature processes. Also known as quartz wafer boat carriers, diffusion boats, or quartz carriers, these tools are designed to hold wafers securely during diffusion, oxidation, annealing, and CVD steps.
Our quartz wafer boats are produced with [CNC machining / fire polishing / cleanroom cleaning] and inspected for dimensional accuracy and trace metal contamination. They are available in standard and fully custom configurations to match your furnace, wafer size, and process chemistry.
Built for Your Process, Not Just Your Furnace
Whether you need a quartz wafer boat carrier in Finland, Sweden, Netherlands, Spain, Romania, Indonesia, or another country, we support global shipping and export documentation. Send us your drawing or process requirements, and our engineering team will recommend the right material, slot design, and cleaning specification.
Bullets
SiO₂ purity ≥ [99.99]%, metallic impurities < [5] ppm
Slot pitch tolerance ± [0.1] mm, custom slot counts available
Withstands [1200]°C continuous / [1450]°C short-term
Trust Bar
ISO [9001] certified
patents / proprietary technology
Exported to [30+] countries
Standard lead time:20 days
Custom lead time: 45 days
Applications
Applications of Quartz Wafer Boats
Diffusion
Used in diffusion furnaces for [POCl₃ / BBr₃ / phosphorus / boron] diffusion in PV and semiconductor manufacturing.
Oxidation
Suitable for dry and wet oxidation processes at [800–1200]°C.
CVD / LPCVD / PECVD
Carries wafers during deposition of [SiN / poly-Si / SiO₂] films. Custom gas flow channels can be designed for improved uniformity.
Annealing
Provides stable wafer support during high-temperature annealing and activation steps.
Photovoltaic Cell Manufacturing
Used in [PERC / TOPCon / HJT] lines for diffusion and passivation processes.
Semiconductor Wafer Processing
For [2–12] inch wafers in R&D and mass production environments.
Core Advantages
Why Choose Our Quartz Wafer Boat Carrier?
1. Ultra-Low Contamination for Higher Yield
High-purity fused silica and controlled cleaning reduce metal contamination that can affect wafer electrical performance. Ideal for semiconductor oxidation, diffusion, and CVD processes.
2. Precision Slot Pitch for Zero Wafer Shift
Slot pitch tolerance of ± [0.1] mm and [5–10]° slot wall angle help keep wafers stable during loading, unloading, and high-temperature processing.
3. Excellent Thermal Shock Resistance
Low CTE and high-purity material help resist cracking during rapid heating and cooling cycles.
4. Long Service Life, Lower Total Cost
With proper maintenance, our quartz wafer boats can achieve ≥ [5000] cycles, reducing replacement frequency and downtime.
5. Full Customization
Custom slot count, slot pitch, boat length, wafer size, end configuration, and surface finish. Send your 2D/3D drawing or process requirements.
6. Global Shipping & Export Support
We ship to Finland, Sweden, Netherlands, Spain, Romania, Indonesia, and other countries. [Incoterms: EXW / FOB / CIF / DDP]. Export documents and cleanroom packaging available.
Technical Specifications
Quartz Wafer Boat Technical Specifications
| Parameter | Typical Value | Custom |
| Material | High-purity fused silica / quartz glass | Custom |
| SiO₂ purity | ≥ [99.99]% | |
| Metallic impurities | < [5] ppm (Fe, Al, Na, K, Cu, etc.) | |
| Max working temperature | [1200]°C continuous / [1450]°C short-term | |
| Coefficient of thermal expansion (CTE) | ≤ [5.5 × 10⁻⁷] / °C (20–1000°C) | |
| Slot pitch tolerance | ± [0.1] mm | |
| Slot count | [25] slots | |
| Wafer size | [2–12] inches | Custom |
| Boat length | [ ] mm | Custom |
| Surface roughness | Ra < [0.5] μm | |
| Load capacity | [ ] wafers | |
| Lifetime | ≥ [5000] cycles under recommended conditions | |
| Cleaning | [DI water / SC1 / SC2 / HF] | |
| Packaging | [Cleanroom bag + foam + wooden case] | Custom |
Quality Assurance
Quality Control & Inspection
Incoming material verification
CNC machining and fire polishing
DI water cleaning
Thermal shock cycling test
GDMS / ICP-MS trace metal analysis
Dimensional inspection: slot pitch, length, slot count
Cleanroom packaging
[ISO 9001] / [ISO 14001]
Global Shipping & Export
Global Shipping for Quartz Wafer Boat Carriers
We export high-purity quartz wafer boats to customers worldwide, including:
Finland
Sweden
Netherlands
Spain
Romania
Indonesia
[Germany, USA, Japan, Korea, India, etc.]
Shipping Details
Standard lead time: 20 days
Custom lead time: 30 days
MOQ: 1 pieces
Incoterms: FOB / CIF / DDP
Packaging: Cleanroom bag + foam + wooden case
Shipping methods: Air / Sea / Express
FAQ
Frequently Asked Questions
Do you ship quartz wafer boat carriers to Finland, Sweden, Netherlands, Spain, Romania, and Indonesia?
A: Yes. We regularly ship to [Europe, Asia, and other regions]. Please share your delivery address and quantity for a shipping quote. Typical lead time is [ ] days.
Can you customize slot pitch, slot count, and boat length?
A: Yes. Send us your drawing or specifications. We can produce slot pitch tolerance of ± [0.1] mm and custom boat lengths.
What is the lead time for standard and custom quartz wafer boats?
A: Standard: 20 days. Custom: 30 days after drawing confirmation.
What purity and certificates do you provide?
A: Our quartz wafer boats use SiO₂ purity ≥ [99.99]%. We can provide [GDMS / ICP-MS] trace metal reports and [ISO 9001] certificate.
What is the difference between quartz, SiC, and graphite boats?
A: Quartz boats are preferred for [800–1200]°C processes requiring chemical inertness and low contamination. SiC boats offer higher temperature resistance. Graphite boats are lower cost but may introduce carbon contamination. Read our quartz boat guide for details.
How should I clean and maintain quartz wafer boats?
A: Use [CO₂ snow cleaning, DI water, and 5% citric acid at 80°C] for routine maintenance. Inspect for devitrification (white spots) and micro-cracks. Replace when devitrification coverage exceeds [5]%.
What is the lifetime of a quartz wafer boat?
A: Under recommended conditions, lifetime is ≥ [5000] cycles. Actual life depends on temperature, process chemistry, and handling.
Can you provide samples or OEM/ODM service?
A: Yes. Sample lead time: 30 days. OEM/ODM: Yes
Request a Quote for Your Quartz Wafer Boat Carrier
Send us your drawing, wafer size, slot count, and process temperature. Our engineering team will reply within [24] hours.

Ningbo VET Energy Technology Co., Ltd is a high-tech enterprise focusing on the production and sales of high-end advanced materials, the materials and technology including graphite, silicon carbide, ceramics, surface treatment like SiC coating, TaC coating, glassy carbon coating, pyrolytic carbon coating, etc., these products are widely used in photovoltaic, semiconductor, new energy, metallurgy,etc..
Our technical team comes from top domestic research institutions, and have developed multiple patented technologies to ensure product performance and quality, can also provide customers with professional material solutions.














