Import Silicon Window — Buy in wholesale FOB from Supplier in China
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Silicon Window
The silicon window is a monocrystalline silicon component manufactured with 99.999 % (5N) purity for infrared and laser optics. Supplier offers diameters from 3 mm up to 280 mm, each with a diameter tolerance of +0.00 /‑0.05 mm. Surface quality conforms to the 40‑20 standard and flatness is specified at 1/10 lambda. Chamfer dimensions are 0.25 mm at a 45° angle and a wedge of 0.25 mm is provided where required.
Typical transmission for 5N silicon exceeds 90 % across the 1‑10 µm wavelength range, and surface roughness is usually limited to Ra 0.1 µm. Industry practice follows IEC 61754 for optical silicon components and often includes an optional anti‑reflection coating to boost performance. The supplier’s description highlights cleanroom‑grade protective cases for shipping to preserve surface integrity.
Buyers include manufacturers of infrared imaging systems, laser alignment equipment and defence‑grade optical assemblies. The product is classified under optical component HS codes and is commonly shipped in sealed, static‑free containers. Exact minimum order quantity, lead time and payment conditions are not disclosed and should be confirmed with the supplier. Importers should also verify the applicable Incoterms and any required customs documentation for optical grade silicon.
| Material | Monocrystalline Silicon (5N purity) |
| Purity | 99.999 % |
| Diameter Range | 3 mm - 280 mm |
| Diameter Tolerance | +0.00 /‑0.05 mm |
| Surface Quality | 40‑20 standard |
| Flatness | 1/10 lambda |
| Chamfer | 0.25 mm x45° |
| Wedge | 0.25 mm |
| Typical Transmission | typical > 90 % (1‑10 µm) |
| Typical AR Coating | optional broadband anti‑reflection coating (typical) |
Changchun Sunday Optoelectronics Co., Ltd is located at No 9576 Donghuan Road, Changchun, 130000, China. The supplier holds a harbour trust tier, with a recorded response rate of 0 % and no average response time logged. The company focuses on optoelectronic components, including precision silicon windows for infrared and laser applications.
The profile does not list certifications or export history, so buyers should request any quality management certificates such as ISO 9001. The supplier’s address places it in a region with established optics manufacturing supply chains. No additional product lines are mentioned beyond silicon optical components.
Silicon optical windows are precision-engineered monocrystalline silicon components designed for infrared and laser applications across scientific research, semiconductor manufacturing, and defense industries. Available in diameters from 3mm to 280mm with tight surface flatness of 1/10 lambda and standard 40-20 surface quality, these windows meet exacting optical tolerances critical for laser alignment and thermal imaging systems. Widely sourced from precision optics manufacturers in Germany, the USA, and Japan, silicon windows are classified under optical component HS codes and are typically shipped in cleanroom-grade protective cases to preserve surface integrity during international transit.
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Sourcing Silicon Window from Changchun Sunday Optoelectronics Co., Ltd - China Import Guide
Verify material purity, surface quality and flatness certificates before placing an order. Request the supplier’s test reports for diameter tolerance, surface roughness (Ra) and transmission data. Ensure that any optional anti‑reflection coating is documented with spectral performance curves.
Clarify the shipping terms, such as FOB or CIF, and ask for a freight quotation based on the container size you intend to use. Inquire about the typical production lead time and whether the supplier can provide a letter of credit or advance payment schedule. Confirm that the packaging meets cleanroom standards and that any humidity indicators are included.
Arrange a pre‑shipment inspection by a qualified third‑party to check dimensions, surface condition and coating integrity. Obtain a full inspection report and retain all certificates for customs clearance. Keep records of the packaging photos and test data as part of your import documentation.
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14 listingsTop Verified Suppliers for Silicon Window
30 suppliersBuy Silicon Window in Bulk — Verified Supplier in China
When sourcing Silicon Window for your business, securing the right balance of quality and cost is essential. Changchun Sunday Optoelectronics Co., Ltd, a verified supplier based in China, offers this product with key specifications including Optical Grade Monocrystalline Silicon, <100> Orientation, Silicon (Si) 99.999% (5N), Dopant: Boron (p-type), and Diameter: 3mm to 280mm | Diameter Tolerance: +0.00/-0.05mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $30/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 9001.90, making it a staple in the Cupboards, Doors, Gates, Grills & Windows sector with strong demand from importing countries worldwide.
Silicon Window Specifications, Trade Terms & Pricing
Importing Silicon Window requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Sunday Optoelectronics Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 9001.90 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Changchun Sunday Optoelectronics Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Silicon Window has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Cupboards, Doors, Gates, Grills & Windows category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Silicon Window — Shipping, Logistics & Customs
Importing Silicon Window requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 9001.90 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Silicon Window
What is the wholesale price of Silicon Window?
The current listed wholesale price for Silicon Window from Changchun Sunday Optoelectronics Co., Ltd is $30/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Changchun Sunday Optoelectronics Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Silicon Window?
The supplier, Changchun Sunday Optoelectronics Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Silicon Window. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Silicon Window?
For international shipping and customs clearance, Silicon Window is classified under HS Code 9001.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Silicon Window from China?
To import Silicon Window from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Sunday Optoelectronics Co., Ltd. Ensure you have the necessary import licenses for Cupboards, Doors, Gates, Grills & Windows products in your destination country.
Is Changchun Sunday Optoelectronics Co., Ltd a verified supplier?
Yes, Changchun Sunday Optoelectronics Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Silicon Window?
The key specifications for Silicon Window supplied by Changchun Sunday Optoelectronics Co., Ltd include Optical Grade Monocrystalline Silicon, <100> Orientation, Silicon (Si) 99.999% (5N), Dopant: Boron (p-type), and Diameter: 3mm to 280mm | Diameter Tolerance: +0.00/-0.05mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Silicon Window?
Changchun Sunday Optoelectronics Co., Ltd offers Silicon Window with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Silicon Window the most?
Silicon Window is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Sunday Optoelectronics Co., Ltd through our platform.
What certifications does this Silicon Window supplier hold?
Changchun Sunday Optoelectronics Co., Ltd maintains international quality certifications. These ensure that the Silicon Window meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Silicon Window on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Sunday Optoelectronics Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Changchun Sunday Optoelectronics Co., Ltd.
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