RF Shielding Cover Metal PCB EMI Shielding Can
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Product parameters
Parameter | Specification |
Product Name | EMI Shielding Can / RF Shielding Cover / PCB Shielding Can |
Material | Stainless Steel (SUS304 / SUS301), Nickel Silver, Copper |
Thickness | 0.05 mm – 0.30 mm |
Manufacturing Process | Chemical Etching + Stamping + Bending |
Surface Treatment | Tin Plating / Nickel Plating / Gold Plating / Natural Finish |
Shielding Effectiveness | 30 dB – 90 dB (depending on design & frequency) |
Frequency Range | MHz – GHz |
Dimensional Tolerance | ±0.01 – ±0.03 mm |
Flatness | ≤ 0.05 mm |
Hole Size | ≥ 0.03 mm (etching dependent) |
Structure Type | One-piece / Two-piece (Frame + Cover) / Clip Type |
Mounting Method | SMT Soldering / Through-hole / Clip-on |
Edge Condition | Burr-free (etching process) |
Operating Temperature | -40°C to 300°C (depending on material) |
Corrosion Resistance | High (optional plating for enhanced protection) |
Application Level | PCB Level / Module Level Shielding |
Customization | Size / Thickness / Hole Pattern / Structure / Surface Treatment |
Standards | RoHS / REACH compliant |
Product Description
Product Introduction:
This RF shielding cover is a high-performance metal shielding cover designed for PCB EMI protection. The EMI shielding cover provides effective electromagnetic isolation, improving signal transmission stability in high-frequency environments. As a reliable PCB shielding cover, it supports mass production and consistent performance in electronic assemblies.
Applications:
RF modules, wireless communication devices, PCB board shielding, signal isolation systems, consumer electronics
How We Build Precision EMI Shielding Cans: A 10-Year Journey from Design to Delivery
In the fast-paced world of electronics manufacturing, a Precision Sheet Metal Fabrication partner is defined by their process. At NKEYTO, we know that an EMI Shielding Can is far more than a simple metal cover; it is a critical safeguard designed to protect sensitive PCB circuitry from electromagnetic interference.
With over a decade of experience, our factory has perfected a manufacturing workflow that prioritizes accuracy, consistency, and speed. While we employ various technologies, our core expertise lies in Chemical Etching, bolstered by advanced CNC and laser capabilities.
In this article, we invite you to look behind the scenes of our production floor to see exactly how we transform a digital concept into a physical RF Shielding Cover.
Step 1: Engineering & Digital Tooling
Every superior product begins with a blueprint. Unlike traditional stamping, which relies on expensive and time-consuming hard tooling (physical dies), our process starts with digital tooling.
Our engineers analyze your CAD files to optimize the design for etching. We identify potential stress points, ensure the correct material thickness is selected, and program the "photo-tool." This digital approach allows us to modify designs instantly, avoiding the sunk costs of physical molds. This makes it the ideal solution for custom metal prototypes and rapid design iterations.
Step 2: Material Preparation & Cleaning
Before any metal is removed, the raw material—typically Stainless Steel, Copper, or Aluminum—must be immaculate. We rigorously clean the metal sheets to eliminate oils, oxides, and debris. Even a microscopic particle can compromise adhesion in the subsequent step, making this cleaning phase essential for maintaining the high quality expected of Precision Sheet Metal Fabrication.
Step 3: Lamination & Exposure
This is where precision takes shape. We laminate the metal sheet with a light-sensitive photoresist.
- Exposure: We place the sheet under a high-resolution UV light source using our digital tooling mask. The UV light hardens the photoresist in the specific areas where we want the metal to remain—the structure of the RF Shielding Cover.
- The Result: The areas not exposed to UV light remain soft and soluble. This allows us to define features as small as 0.1mm, a level of detail far exceeding the capabilities of mechanical punching.
Step 4: Developing & Etching
Once exposed, the sheet moves through a developing solution that washes away the unhardened resist, revealing the bare metal beneath.
The sheet then enters the etching chamber, where a corrosive chemical spray (etchant) dissolves the exposed metal. Because we spray from both the top and bottom simultaneously, we achieve a vertical cut with no mechanical stress. This is crucial for EMI Shielding Cans, as it prevents the warping or "oil-canning" effect often seen in stamped parts.
Step 5: Stripping & Inspection
After etching, the remaining photoresist is stripped away, revealing the raw etched part. At this stage, our quality control team inspects the parts for dimensional accuracy. We verify that the 0.1mm apertures are clear and that the overall dimensions meet the strict tolerances required for high-frequency shielding.
Step 6: Post-Processing & Forming
While etching creates the 2D profile, many Metal PCB Shields require 3D shapes. This is where our hybrid manufacturing approach distinguishes us.
- CNC Forming: We use precision CNC press brakes to bend the etched blanks into their final 3D shapes. Because the metal is stress-free from the etching process, it bends predictably and with high accuracy.
- Laser Cutting: For specific edge modifications or thicker materials where etching might be slower, we utilize laser cutting as a complementary process.
- Surface Treatment: Finally, we apply surface finishes such as tin plating, nickel plating, or passivation to enhance solderability and corrosion resistance.
Why Our Hybrid Process is the Superior Choice
By combining Chemical Etching with CNC and Laser services, we offer a Precision Sheet Metal Fabrication solution that is both versatile and cost-effective.
- Speed: No hard tooling means we can ship prototypes in days, not weeks.
- Quality: Burr-free edges protect your PCBs from short circuits.
- Complexity: We can etch intricate ventilation patterns that are impossible to achieve with stamping.
Partner with NKEYTO for Your Next Project
Whether you need a simple shield or a complex, multi-stage enclosure, our decade of experience ensures your project is in capable hands.
Contact us today to discuss your Precision Sheet Metal Fabrication needs.
- Contact Person: Luna
- WhatsApp: 12132219094
Questions and Answers
Frequently Asked Questions (FAQ)
Q1: How long does it take to get a prototype of an EMI Shielding Can?
Because we use digital tooling instead of physical molds, we can move from design to production rapidly. Typically, we can deliver prototypes of RF Shielding Covers within 3 to 5 business days, depending on the design's complexity.
Q2: What is the minimum thickness you can process?
Our chemical etching process excels at handling thin materials. We can process metals as thin as 0.03mm. This capability is essential for manufacturing lightweight, low-profile Metal PCB Shields for wearable technology and compact mobile devices.
Q3: Do you offer surface finishing services?
Yes. As part of our comprehensive Precision Sheet Metal Fabrication service, we offer various post-processing options. These include tin plating, nickel plating, silver plating, and passivation. These finishes are vital for ensuring the EMI Shielding Can has excellent solderability and long-term durability.
Q4: Can you handle high-volume production orders?
Absolutely. While we are known for our rapid prototyping, our factory is fully equipped for mass production. The digital nature of our tooling means we can scale up production without worrying about tool wear and tear, ensuring that the millionth part is identical to the first.
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.
Certificate
商标6类
9001
质量认证
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Shenzhen Nkeyto Precision Hardware Co., Ltd. is a factory specializing in precision hardware processing, committed to providing customers with high-quality products and services.We look forward to working with you.
Contact Us
E-mail: luna@nkeyto.com
Tel: +1 213-221-9094
Add: 13th Building, 202, Dawangshan Second Industrial Zone, Dawangshan Community, Shajing Street, Bao'an District, Shenzhen, Guangdong Province
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