Broadway G3 Semi-Automatic BGA Ball Removal System

Overview

The Broadway G3 Semi-Automatic BGA Ball Removal System is an engineered solution for controlled, repeatable de-ball processing of Ball Grid Array (BGA) packages in semiconductor R&D laboratories and failure analysis (FA) facilities. It operates on a mechanical precision-cutting principle—utilizing a motorized, angle-calibrated rotary cutting blade to shear off solder balls without damaging the underlying substrate or pad metallization. Unlike thermal or chemical de-ball methods, the G3 avoids thermal stress, flux residue, or intermetallic compound (IMC) degradation, preserving package integrity for subsequent cross-sectioning, X-ray inspection, or reballing validation. Designed for low-to-medium throughput environments where process traceability and operator safety are prioritized, the system supports non-destructive sample preparation aligned with JEDEC J-STD-020 and IPC-7095 guidelines.

Key Features

• Adjustable cutting blade height and fixed angular geometry (±0.5° repeatability) ensure consistent ball shearing depth across heterogeneous package thicknesses.
• Programmable XY positioning stage enables precise alignment of the cutting path relative to the BGA array centerline and edge fiducials.
• Motor-driven blade rotation with variable speed control (500–2,500 rpm) accommodates varying solder alloy hardness (e.g., SnPb, SAC305, SnAgCuNi).
• Interchangeable vacuum chucks with modular cavity inserts support package footprints from 6 mm × 6 mm to 52 mm × 52 mm, including QFN, LGA, and CSP variants.
• Integrated post-cycle cleaning sequence: rotating nylon brush + vacuum-assisted debris evacuation minimizes particulate carryover between samples.
• Ergonomic semi-automatic workflow—foot-switch actuated cycle initiation, visual LED status indicators, and emergency stop compliant with IEC 60204-1.

Sample Compatibility & Compliance

The G3 accommodates standard BGA substrates (organic laminate, ceramic, and buildup PCBs) with ball diameters ranging from 0.3 mm to 1.0 mm and pitch down to 0.4 mm. It maintains mechanical stability during de-ball operations on packages with warpage ≤ 150 µm (per IPC-9701). The system conforms to CE marking requirements under the Machinery Directive 2006/42/EC and electromagnetic compatibility per EN 61326-1. While not certified for cleanroom Class 100 operation, it meets ISO 14644-1 Class 8 ambient particulate limits when operated inside laminar flow hoods. Process documentation—including tool offset logs, cycle count, and operator ID—is retained locally for GLP-compliant audit trails.

Software & Data Management

The onboard controller features a 7-inch resistive touchscreen HMI running embedded Linux OS. All motion parameters (blade Z-height, rotational speed, dwell time, XY coordinates) are stored as editable recipes with version timestamps. No cloud connectivity or remote access is implemented—data remains isolated per unit to satisfy ITAR and semiconductor IP protection policies. Export options include CSV-formatted cycle logs via USB 2.0 port, compatible with internal LIMS integration. Audit trail functionality complies with FDA 21 CFR Part 11 requirements for electronic records: user authentication (PIN-based), immutable action logging, and electronic signature capture for SOP deviations.

Applications

• Pre-deball inspection of failed BGAs prior to decapsulation or SEM-EDS analysis.
• Controlled removal of defective solder spheres for root-cause analysis of voiding, head-in-pillow (HIP), or non-wet opens.
• Substrate-level reliability testing—enabling die attach evaluation after ball removal without thermal reflow artifacts.
• Qualification of new solder paste formulations by comparing post-reflow ball morphology before and after mechanical de-ball.
• Reballing line setup verification—validating stencil alignment accuracy using removed ball arrays as reference templates.

FAQ

What types of solder alloys can the G3 process without blade wear acceleration?

The system is validated for SnPb (63/37), SAC305, SAC405, and low-temperature BiSn alloys; tungsten-carbide coated blades maintain dimensional stability for ≥ 500 cycles per set under nominal load.
Is nitrogen purging supported during de-ball to prevent oxidation of exposed copper pads?

No integrated gas manifold is provided; however, the open-chamber design allows external N₂ shrouding via lab-grade laminar flow enclosures.
Can the G3 interface with automated material handling systems (AMHS)?

Not natively—no SECS/GEM or RS-232 protocol stack is embedded; integration requires third-party PLC bridging via discrete I/O signals.
Does the system include calibration certification per ISO/IEC 17025?

Factory calibration reports (traceable to NIST standards) are supplied with each unit; full ISO/IEC 17025 accreditation must be arranged separately through authorized metrology partners.