Optical Slit Aperture Plate Stainless Steel Precision Slit Structure
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Product parameters
Parameter | Specification |
Product Name | Optical Slit Plate / Slit Aperture Plate / Micro Slit Plate |
Material | Stainless Steel (SUS304 / SUS301), Nickel, Copper, Molybdenum (optional) |
Thickness | 0.02 mm – 0.50 mm |
Slit Width | 20 μm – 500 μm (custom available) |
Slit Tolerance | ±1 – ±5 μm |
Slit Type | Single Slit / Multi Slit / Parallel Slit / Custom Pattern |
Slit Length | 0.5 mm – 100 mm (custom) |
Manufacturing Process | Chemical Etching / Laser Cutting / Precision Machining |
Edge Condition | Burr-free / Smooth edge |
Surface Treatment | Polished / Matte / Black Coating (anti-reflection) |
Flatness | ≤ 0.01 – 0.05 mm |
Dimensional Tolerance | ±0.01 – ±0.02 mm |
Light Control | High precision light transmission and beam shaping |
Operating Temperature | -50°C to 300°C (material dependent) |
Corrosion Resistance | High (stainless steel / coating optional) |
Mounting Type | Through hole / Frame mount / Custom fixing |
Application Type | Optical Measurement / Laser Control / Detection Systems |
Customization | Slit width / spacing / shape / material / coating |
Product Description
Product Introduction:
This optical slit aperture plate is a precision stainless steel plate designed for optical filtering and light control. The slit aperture plate provides uniform slit geometry and stable performance, ensuring accurate signal transmission. As a reliable optical slit plate, it is suitable for both laboratory and industrial optical applications.
Applications:
Optical filtering systems, spectroscopic analysis, imaging equipment, laboratory devices, industrial optical instruments

Custom OEM Optical Slit Plates: From Prototype to Mass Production
In the fast-paced world of optical engineering, the ability to iterate designs quickly is just as important as the precision of the final product. Whether you are developing a next-generation spectrometer or a custom laser alignment tool, your supply chain needs to keep up with your R&D cycle.
At our factory, we specialize in bridging the gap between concept and reality. We provide end-to-end solutions for Custom Slit Plate fabrication, supporting our clients from the initial Prototype Fabrication stage all the way to high-volume mass production. This article outlines how our OEM services and flexible manufacturing processes can accelerate your project timeline and reduce costs.
The Power of Chemical Etching for Customization
Traditional manufacturing methods like stamping or laser cutting often struggle with the complex geometries and tight tolerances required in optical slit plates. Stamping requires expensive hard tooling and long lead times, while laser cutting can introduce thermal stress and burrs.
Our facility utilizes advanced chemical etching, a digital manufacturing process that is ideal for producing OEM Metal Parts with complex designs.
Why Chemical Etching is Superior for Custom Slits:
- No Hard Tooling Costs: We use digital phototools. This means there are no expensive molds to create, significantly lowering the upfront cost for Prototype Fabrication.
- Design Flexibility: Changing the design is as simple as updating a CAD file. This allows for rapid iteration during the R&D phase.
- Complex Geometries: We can easily produce multi-slit arrays, curved slits, or slits with integrated mounting features that would be impossible or too costly with mechanical punching.
Our Service Process: From DFM to Delivery
We believe that a strong partnership begins with clear communication and technical expertise. Our workflow is designed to support engineers and procurement managers at every step.
- DFM (Design for Manufacturability) Analysis
Before production begins, our engineering team reviews your design. We look for potential issues—such as aspect ratios that are too high or tolerances that are tighter than necessary—and suggest optimizations. This proactive approach ensures that your Custom Slit Plate is not only functional but also cost-effective to produce. - Rapid Prototyping
Once the design is finalized, we move quickly to Prototype Fabrication. Because we do not need to wait for physical molds, we can often deliver first articles within days. This allows you to test your optical setup and validate the Optical Slit Aperture Plate Stainless Steel Precision Slit Structure in real-world conditions immediately. - Mass Production
When you are ready to scale, our production lines are equipped to handle high-volume orders with consistent quality. We maintain strict process controls to ensure that every batch matches the quality of the approved prototype.
Spotlight: Optical Slit Aperture Plate Stainless Steel Precision Slit Structure
A prime example of our capabilities is the Optical Slit Aperture Plate Stainless Steel Precision Slit Structure. This component requires a high degree of precision to ensure that the slit width and edge quality meet strict optical standards.
By using chemical etching for this product, we achieve:
- Burr-Free Edges: Essential for preventing light diffraction and scattering.
- High Dimensional Accuracy: We hold tight tolerances (typically ±0.005mm or better) to ensure the spectral resolution of your instrument is maintained.
- Material Integrity: The "cold" etching process does not alter the physical properties of the stainless steel, ensuring the part remains flat and stress-free.
Cost & Speed Comparison: Etching vs. Stamping
To help you decide on the best manufacturing route for your OEM Metal Parts, we have compared chemical etching with traditional stamping.
Feature | Chemical Etching (Our Process) | Traditional Stamping |
|---|---|---|
Tooling Cost | Low (Digital phototool) | High (Hard metal die) |
Lead Time | Days (Fast Prototype Fabrication) | Weeks/Months |
Design Changes | Instant/Cheap | Expensive/Difficult |
Complexity | High (Complex shapes easy) | Low (Limited by punch strength) |
Best For | Prototypes, Complex Custom Slit Plates, Mid-to-High Volume | Simple shapes, Extremely High Volume (Millions) |
As you can see, for most optical applications—especially those requiring complex precision or rapid development cycles—chemical etching offers a significant advantage in both cost and speed.
Conclusion
Choosing the right manufacturing partner is crucial for the success of your optical project. By leveraging our expertise in chemical etching and our commitment to service, you can reduce your development costs and bring your products to market faster.
Whether you need a single prototype for testing or thousands of OEM Metal Parts for production, our factory is ready to deliver the precision and quality you demand.
Ready to start your project?
Contact Luna via WhatsApp at 12132219094 to discuss your custom design and request a quote for your optical slit plates.
Questions and Answers
Frequently Asked Questions (FAQ)
Q: What is the minimum order quantity (MOQ) for a custom slit plate?
A: Unlike stamping, which requires high volumes to amortize tooling costs, our MOQ is very low. We can produce small batches for Prototype Fabrication cost-effectively, making us an ideal partner for R&D projects.
Q: Can you help optimize my design for better performance?
A: Yes. Our DFM service is complimentary. We will review your design for the Optical Slit Aperture Plate Stainless Steel Precision Slit Structure and suggest improvements to enhance manufacturability and reduce costs without compromising function.
Q: How fast can you deliver prototypes?
A: For standard designs, we can often deliver prototypes within 3 to 5 business days after drawing approval. This rapid turnaround helps shorten your overall product development cycle.
Q: Do you offer post-processing services?
A: Absolutely. We can provide blackening (black oxide), plating, or passivation to enhance the corrosion resistance and optical performance of your Custom Slit Plate.
Factory Description
We have a full set of etching production equipment and mature processing technology. We can manufacture products in any shape with mesh sizes as small as 0.1mm, according to your requirements.
Our Advantage
Factory Direct Shipping
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Experienced Design and Manufacturing Team
We work closely with customers from the design phase to help avoid potential product flaws, ensuring both the functionality and design meet expectations.
Excellent Supply Chain Management
We can quickly adjust production schedules to meet your urgent deadlines, whether it's for large bulk orders or smaller rush orders.
OEM & ODM Support
We offer the option to print your logo or other customizations.
Strict Quality Control
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
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