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Mechanic/Amaoe SAM-4 Stencil
The Mechanic/Amaoe SAM-4 is a specialized BGA reballing stencil meticulously engineered for Samsung's mid-range and legacy flagship series (A, J, and S series). While newer stencils like the SAM-12 focus on the latest S20/S21 series, the SAM-4 remains an essential "legacy workhorse" for technicians dealing with the high volume of Samsung A-series and J-series devices still in active circulation.
Technical Specifications Overview
| Feature | Details |
| Brand | Mechanic / Amaoe (Professional Collaboration) |
| Model | SAM-4 |
| Material | Japanese Imported High-Tension Stainless Steel |
| Aperture Design | Precision Square Mesh (Prevents "Bridge" Soldering) |
| Thickness | 0.12mm (Ultra-precise for modern IC pitch) |
| Heat Resistance | Up to 450°C (Anti-warping/Anti-bulge technology) |
| Surface Finish | Polished Silver / Anti-Glare |
| Elasticity | High flexibility (Returns to shape after bending) |
Usage & Maintenance Tips
- Alignment: Use a microscope to align the IC precisely. The SAM-4 features high-visibility etched markings to help you find the correct orientation for different chips.
Paste Application: Use a high-quality solder paste (e.g., Mechanic V4B45 183°C). Apply with a firm, single-stroke scraper to avoid air bubbles.
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Heating: Apply heat in a circular motion. Once the solder balls "shine" and settle, remove the heat immediately to avoid over-tempering the steel.
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Cleaning: Clean with 99% IPA or Ultrasonic cleaner after every 2–3 uses. Dried solder paste in the square holes is the most common cause of reballing failure.
| Weight |
0.020 |
|---|
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