Direct manufacturer-to-laboratory delivery. From single prototype optical discs to volume semiconductor quartzware, fully inspected and customized to your technical drawing.
Optical Heat
Semiconductor
Chemical Process
Bio / Pharma
Optical Window
Photocatalysis
Substrate Wafer
Laboratory Twin
The province of Utrecht, anchored by the globally recognized Utrecht Science Park (USP), represents the epicentre of life sciences, quantum photonic research, and sustainable energy development in the central Netherlands. Unlike standard industrial fabrication regions, procurement teams, cleanroom directors, and university lab technicians across Utrecht demand optical quartz components that exhibit near-zero bubble density, pristine wavefront transmission down to 185 nm, and unmatched mechanical stability under cyclic thermal shock.
As a specialized high-purity quartz manufacturer based in Donghai—the world's crystal processing center—Zunex Quartz Products Co., Ltd. bridges technical drawing execution directly with the stringent expectations of Dutch high-tech institutions, eliminating multi-tier brokerage markups and ensuring complete material origin transparency.
Custom JGS1 quartz microfluidic plates with micron-scale laser-cut capillary trenches for fluorescence lifetime imaging and DNA sequencing at Utrecht biomedical labs.
Double-side polished fused silica wafer carriers and CVD rings with ±0.01 mm dimensional tolerances serving sub-assembly supply chains connected to ASML/NXP clusters.
Optically transparent reactor sight windows and twin combustion tubes engineered for the Debye Institute for Nanomaterials Science, supporting solar fuel and CO₂ reduction research.
Infrared-grade (JGS3) and Deep UV (JGS1) windows exhibiting extinction ratios > 30 dB and surface wave errors ≤ λ/10 for precision photonics laboratories.
Selecting the appropriate fused quartz or synthetic fused silica substrate is paramount for preventing project delays, optical signal attenuation, or structural fracturing during ultra-high temperature processing. For Dutch system integrators and precision equipment designers, we produce components tailored to international DIN 58927, ISO 10110, and SEMI specifications.
| Grade Classification | Primary Spectrum | Transmission Range | Hydroxyl (OH) Content | Continuous Temp Limit | Typical Utrecht Lab Application |
|---|---|---|---|---|---|
| JGS1 (Synthetic Silica) | Deep UV to Visible | 185 nm – 2500 nm | < 1 ppm (Ultra-dry) | 1050 °C | Excimer laser viewports, UV photolithography masks, flow cytometry |
| JGS2 (Fused Quartz) | UV to Near IR | 220 nm – 2500 nm | ≤ 30 ppm | 1100 °C | Furnace diffusion tubes, sight glass flanges, ozone-free UV covers |
| JGS3 (Optical IR Quartz) | Visible to Mid IR | 260 nm – 3500 nm | < 5 ppm | 1150 °C | Infrared heating panels, thermal imaging optics, FTIR spectrometer plates |
| High-Purity Opaque | Thermal Insulation | Scattered Infrared | N/A (Porous micro-voids) | 1150 °C | Semiconductor wafer heating baffles, flange thermal insulation shields |
All Zunex Quartz components feature an exceptionally low thermal expansion coefficient of 5.5 × 10⁻⁷ / °C, enabling immediate quenching from 1100 °C to ambient cold water without mechanical shock cracking. This property is crucial for automated testing reactors and rapid thermal processing (RTP) equipment deployed in cutting-edge pilot lines throughout the Randstad technology corridor.
The Dutch national strategy for key enabling technologies (Quantum Delta NL, PhotonDelta, and the National Growth Fund initiatives) has significantly shifted the specifications required by procurement managers and R&D scientists in Utrecht:
Decades of manufacturing expertise in China's crystal capital, paired with modern export standards designed to serve European high-tech industries.
Your PDF, DWG, or STEP engineering drawings are immediately evaluated by qualified glass fabricators. We calculate material yields, evaluate tolerances, and provide transparent DDP/FOB quotations without lag.
Equipped with five-axis laser drilling, ultrasonic contour cutting, and high-temperature flame annealing ovens that eliminate internal residual stresses, ensuring structural integrity under critical vacuum pressures.
Custom multi-layer shock-absorption foam, vacuum-sealed PE bags, and reinforced wooden crates engineered specifically for international air and sea transit, guaranteeing zero breakage upon delivery to Utrecht.
Clear answers regarding import processes, tolerances, testing certificates, and shipping to the Netherlands.
We routinely supply Dutch clients under DDP (Delivered Duty Paid), DAP, or CIF conditions. For urgent R&D batches, express air delivery (DHL/FedEx/TNT) delivers directly to your facility in Utrecht within 4–6 business days after dispatch, with all EU customs clearance and VAT handled seamlessly.
For CNC laser-machined and ground quartz plates, standard outer dimensional tolerances are ±0.05 mm, with high-precision batches achievable down to ±0.01 mm. Thickness tolerances can be lapped to ±0.005 mm, with parallelism < 10 arcseconds and flatness up to λ/10 per standard optical aperture.
Yes. Upon request, every production batch is delivered alongside full chemical composition spectrometry (showing trace ppm levels of Fe, Al, Ca, Mg), spectrophotometer UV-Vis-NIR transmission curves, and dimensional CMM inspection reports for verification by your internal quality control team.
Unlike standard mechanical diamond core drills that induce sub-surface micro-fractures, Zunex uses ultra-short pulse laser ablation coupled with post-process thermal flame polishing and annealing. This relieves residual hoop stress and guarantees burst-proof reliability in high-pressure reaction vessels.
Absolutely. We specialize in engineering support for university researchers, academic medical centers, and hardware startups. We accept single-piece prototype orders to confirm form, fit, and optical transmittance before committing to mass pilot production runs.
All finished optical quartz discs, wafers, and plates undergo multi-stage ultrasonic degreasing in deionized water (18.2 MΩ·cm), followed by high-purity isopropyl alcohol rinsing and lint-free nitrogen blow-drying inside Class 10,000 cleanroom environments before sealed bagging.
Send your 2D/3D CAD technical drawings, material specifications (JGS1/JGS2/JGS3), and dimensional tolerances. Our senior glass engineers will analyze manufacturability and deliver a factory-direct quotation within 2 hours.