AMAOE WSR-1 STENCIL-Original

Unmatched Reliability and Performance

The AMAOE WSR-1 STENCIL-Original is thoughtfully designed for professionals seeking precise PCB repair and micro-soldering solutions. Crafted with high-quality materials, this original stencil ensures durability and seamless results, making your repair workflows more efficient and accurate. AMAOE WSR-1 STENCIL-Original

Efficient and Versatile Design

This stencil is tailored for versatility across multiple repair scenarios, accommodating a range of motherboard layouts. Its finely etched details simplify alignment and application, allowing you to achieve consistent and professional results every time. AMAOE WSR-1 STENCIL-Original

Why Choose AMAOE WSR-1?

The AMAOE WSR-1 Stencil represents excellence in craftsmanship, with a focus on precision, ease of use, and durability. Ideal for professionals and hobbyists alike, this stencil combines innovative design with proven reliability to elevate your repair experience. AMAOE WSR-1 STENCIL-Original

The AMAOE WSR-1 is a specialized, high-precision BGA (Ball Grid Array) reballing stencil designed primarily for technicians and engineers working on high-end smartphone and electronics repair. AMAOE has carved out a reputation for “square hole” precision, which prevents solder paste from clogging and ensures uniform ball formation. AMAOE WSR-1 STENCIL-Original

Below are the comprehensive specifications, features, and technical details for the WSR-1 model. AMAOE WSR-1 STENCIL-Original

Technical Specifications Table

Feature	Specification Details
Model Number	WSR-1
Brand	AMAOE (Original Quality)
Material	High-Grade Japanese Imported Steel
Hole Type	Precision Square Holes (Anti-Bulge Design)
Thickness	0.12mm (Standardized for uniform solder paste distribution)
Hardness	High-Elasticity Temper (Resistant to heat deformation)
Compatible Chipsets	Primarily focused on Wi-Fi/Bluetooth and Power ICs
Surface Finish	Chemical Etching + Laser Polishing
Alignment	High-Transparency Silk Screen Alignment
Heat Resistance	Up to 450°C (Direct Heat Compatible)

Core Design Philosophies

1. Square Hole Technology

Unlike traditional circular hole stencils, the WSR-1 utilizes square holes. This is a deliberate engineering choice. During the reballing process, solder paste needs to be pressed through the stencil. Square holes allow for better air displacement, meaning the paste fills the void completely without trapping air bubbles. Additionally, when the stencil is lifted, the square geometry provides less friction, preventing the “pull-out” effect where solder paste sticks to the walls of the stencil rather than the chip. AMAOE WSR-1 STENCIL-Original

2. Material Composition

The WSR-1 is manufactured using premium imported steel that possesses “shape memory” characteristics. When subjected to the intense heat of a hot air gun—often reaching $350^\circ C$ to $400^\circ C$ —lesser stencils will warp or “buckle,” causing solder bridges between pads. The AMAOE WSR-1 is designed to remain flat under thermal stress, ensuring that the seal between the stencil and the IC remains airtight. AMAOE WSR-1 STENCIL-Original

Supported Components & Layout

The WSR-1 is often referred to as a “Commonly Used” or “Small IC” stencil because it consolidates several critical chips found in modern mobile architecture. While layouts can vary slightly by production batch, the WSR-1 typically supports:

Wi-Fi/Bluetooth Modules: Precise grids for high-speed communication chips.
Power Management ICs (PMIC): Handles the complex pinouts of power delivery chips.
Audio Codecs: Smaller grids for sound processing units.
Charging ICs: Support for USB-C and battery management controllers.

Usage Guidelines for Optimal Results

To maximize the lifespan of the WSR-1 and ensure 100% reballing success rates, follow these technical parameters:

Temperature Settings

While the steel can withstand high heat, the Solder Paste is the limiting factor.

For Leaded Solder Paste (Sn63/Pb37): Set your hot air station to approximately 280°C – 320°C.
For Lead-Free Solder Paste (SAC305): Set your station to 330°C – 360°C.

Cleaning and Maintenance

Post-Process: Use 99% Isopropyl Alcohol (IPA) and a soft ESD-safe brush to remove flux residue immediately after use.
Storage: Store flat in a protective sleeve. Never bend the stencil, as even a 1-degree kink in 0.12mm steel can ruin the alignment for high-density BGAs.

Why Technicians Choose the WSR-1

The WSR-1 sits in the “sweet spot” of the repair industry for three reasons:

Pitch Accuracy: The distance between the center of one hole to the next (the “pitch”) is calculated to a tolerance of $\pm 0.01mm$ . This is vital for modern ICs where pads are spaced less than $0.3mm$ apart. AMAOE WSR-1 STENCIL-Original
Anti-Clog Surface: The interior walls of the holes are polished. This prevents the “volcano” effect, where solder paste accumulates on the edges of the hole and prevents the stencil from sitting flush on the next job. AMAOE WSR-1 STENCIL-Original
Efficiency: By grouping common Wi-Fi and Power ICs on a single plate, technicians don’t have to swap stencils constantly, reducing the risk of contamination and saving time during complex logic board repairs. AMAOE WSR-1 STENCIL-Original

Summary of Advantages

High Durability: Rated for hundreds of heat cycles without losing structural integrity.
Precision Alignment: The laser-cut edges align perfectly with the footprint of the original manufacturer’s ICs.
Uniformity: Ensures every solder ball is exactly $0.12mm$ high, preventing “high-sided” chips that fail to seat properly on the motherboard.

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Weight	0.05 kg

AMAOE WSR-1 STENCIL-Original