Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
The Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original is a precision-engineered BGA reballing tool designed specifically for the OnePlus 9 Pro (OnePlus 1+9P series). This stencil is a critical asset for professional technicians performing “sandwich” board repairs, where the dual-layered motherboard must be separated, reballed, and rejoined.
Crafted from high-quality Japanese stainless steel, it is optimized for thermal stability and precise solder paste deposition.
## Technical Specifications Table
| Feature | Detailed Specification |
| Product Model | Amaoe 1+9P (Dedicated for OnePlus 9 Pro) |
| Material | High-Grade Japanese Stainless Steel (SUS304 equivalent) |
| Stencil Thickness | $0.12\text{ mm}$ (Standard precision for mobile ICs) |
| Hole Design | Precision Laser-Cut Square/Round Apertures |
| Compatible Device | OnePlus 9 Pro (Model series LE2121, LE2123, LE2125, LE2120) |
| Application | Middle Frame / Middle Layer BGA Reballing |
| Temperature Resistance | Up to $450^{\circ}\text{C}$ (Standard hot air rework levels) |
| Fabrication Process | Half-cut process for better alignment and solder release |
| Special Features | Anti-warping design, cooling holes, alignment markings |
| Dimensions | Approx. $10 \times 8\text{ cm}$ |
| Net Weight | Approx. $0.01\text{ kg}$ |
## Key Features & Benefits
### 1. Precision 0.12mm Thickness
The $0.12\text{ mm}$ thickness is widely considered the “sweet spot” for modern smartphone reballing. It provides enough thickness to create robust solder joints without causing excessive solder volume that could lead to bridging between the dense pins of the Snapdragon 888 chipset found in the OnePlus 9 Pro. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
### 2. Material Durability
Amaoe uses high-quality steel sheets that offer “super-hard” characteristics. This ensures that the stencil remains flat even after multiple heating cycles from a hot air station. Its resistance to warping is essential for maintaining the alignment required for the middle layer’s intricate pad layout. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
### 3. Enhanced Solder Release
The apertures are laser-cut with a slight taper (half-cut process), which allows the solder paste to release cleanly from the stencil once applied. This reduces the need for repeated cleaning and minimizes the risk of “smearing” the paste across adjacent pads. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
### 4. Thermal Management
The stencil often features additional “cooling holes” or specialized patterns around the main IC areas. These help dissipate heat evenly during the reflow process, preventing localized hotspots that could damage the delicate PCB or cause the stencil to buckle. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
## Usage Recommendations for Technicians
To achieve the best results with the Amaoe 1+9P stencil, follow these industry-standard practices:
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Cleaning: Always clean the stencil with high-purity Isopropyl Alcohol (IPA) before and after use to ensure no dried solder paste blocks the apertures.
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Alignment: Utilize the built-in alignment markings. Even a $0.05\text{ mm}$ offset can result in a failed middle-layer connection.
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Paste Selection: Use a high-quality “medium temperature” solder paste (approx. $183^{\circ}\text{C}$) for the middle layer to ensure a solid bond that won’t easily reflow during subsequent secondary repairs.
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Heat Control: Use a specialized BGA reballing platform (like the Amaoe or Mi景 sets) to hold the board and stencil firmly in place during heating.
Note: Middle-layer repair is a high-difficulty task. It requires professional-grade equipment, including a pre-heating station and a high-accuracy microscope.
Enhance Your Repair Process
The Amaoe Middle Layer Stencil for OnePlus 9 Pro is a must-have tool for anyone handling device repairs. Designed specifically for the OnePlus 9 Pro, this stencil ensures impeccable alignment and a hassle-free repair experience.
Durable Material and Perfect Fit
Crafted from high-quality materials, the middle layer stencil guarantees long-lasting functionality while providing a snug fit for optimal usability. Enhance precision and efficiency every time you work on your device. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
Compatibility You Can Rely On
Tailored exclusively for the OnePlus 9 Pro, this stencil streamlines your repair tasks, making it easier to restore your smartphone’s original condition. Whether you’re a professional technician or a DIY enthusiast, this tool will support seamless operations. Amaoe Middle Layer Stencil for 1+9pro Oneplus 9 Pro Original
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