Shenzhen Xinhaisen Technology Limited
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Photo Chemical Precision Etched Shielding Cans for EMI/RF Protection
Xinhsen's chemically etched shielding cans provide superior EMI/RF isolation for sensitive electronic components. Utilizing photochemical etching technology, we manufacture ultra-thin, high-precision shielding enclosures that outperform conventional stamped alternatives. Our shielding cans are essential for 5G devices, IoT modules, automotive electronics, and medical equipment requiring reliable signal integrity protection.
Key Advantages
✔ Unmatched precision - Feature resolution down to 0.015mm
✔ Material versatility - Stainless steel, copper alloys, specialty metals
✔ Complex geometries - Custom vents, tabs, and mounting features
✔ Burr-free edges - Critical for proper grounding contact
✔ Rapid prototyping - Samples in 5-7 working days
| Parameter | Specification | Tolerance/Capability |
|---|---|---|
| Materials | 304/316L SS, C7521 Cu-Ni, Alloy 42, Titanium | Custom alloys available |
| Thickness | 0.02mm - 1.5mm | ±0.01mm (critical dimensions) |
| Attenuation | 60-120dB (100MHz-10GHz) | Frequency-specific optimization |
| Surface Finish | Matte (standard), Mirror polish (optional) | Ra 0.1-3.2μm |
| Flatness | ≤0.05mm/25mm | Laser leveling available |
| Mounting Features | Solder tabs, snap-fit, screw mounts | Custom designs |
• Shielding Types: Frame-and-cover, one-piece, multi-cavity
• Vent Patterns: Hexagonal, circular, slot arrays (thermal/EMI balanced)
• Special Features:
Integrated grounding fingers
Component clearance dimples
Laser-marked identification
• Customization:
CAD-to-part in 24hrs
DFM analysis included
Performance Data
◈ >90% shielding effectiveness @ 6GHz (tested per MIL-STD-285)
◈ 0.5Ω contact resistance (gold-plated versions)
◈ Withstands 1000+ mating cycles (snap-fit designs)
▸ 5G/WiFi 6 - mmWave module shielding
▸ Automotive - ADAS sensor protection
▸ Medical - Implantable device EMI isolation
▸ Consumer - Smartphone RF compartments
▸ Industrial - PLC interference control
100% automated optical inspection (AOI)
Material certifications (MTC, RoHS, REACH)
RF shielding effectiveness testing
IPC-6013 compliance for electronic enclosures
Production Capabilities
✓ Prototypes: 5-7 days
✓ Mass production: 500,000+ units/month
✓ Packaging: Anti-tarnish VCI bags, ESD-safe
Why Xinhsen?
• 50μm feature accuracy - Ensures perfect fit with PCBs
• No tooling costs - Ideal for design iterations
• Material savings - Up to 70% vs. stamping waste
