Modular Chip Package Testing System with Parallel Interfaces
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Solution Overview
Problem
Conventional chip package assembly testing systems can only test one type of integrated circuit package at a time, leading to factory capacity bottlenecks and increased costs for both low-volume and high-volume productions.
Innovation Solution
A modular chip package assembly testing system with multiple test stations and processors that can simultaneously test different types of chip packages using distinct test routines and interfaces, allowing for efficient handling and testing of various configurations, including different solder ball connections and temperature conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-type testing system is used for both high-volume and low-volume chip package assemblies, then testing can be performed on both types, but factory capacity becomes a bottleneck and operating costs increase
Solution Approach 1:
The testing system is designed with multiple test interfaces that can be configured to accommodate different chip package assembly types simultaneously. Each test interface can be programmed with specific test routines for different package types, allowing a single system to perform multiple testing functions without requiring separate dedicated systems for each package type.
Solution Approach 2:
The testing system divides the testing function into multiple independent test interfaces, each capable of handling specific chip package types. This segmentation allows different package types to be tested in parallel on different interfaces, eliminating the bottleneck caused by sequential testing of different package types on a single interface.
2Productivity
If a single-type testing system is used, then system complexity is reduced, but testing throughput and productivity decrease
Solution Approach 1:
The system uses a universal test interface design that can be programmed to handle multiple chip package types. Rather than having physically different test systems for each package type, the same hardware interface can be reconfigured through software programming, reducing the need for multiple specialized systems while maintaining high throughput.
Solution Approach 2:
The testing system employs dynamic reconfiguration capabilities where test interfaces can be programmatically adjusted between different test routines and configurations. This dynamic adaptability allows the system to switch between testing different package types without physical reconfiguration, maintaining productivity while managing complexity through software control.
3Reliability
If dedicated testing systems are used for different chip package types, then testing precision and reliability are optimized, but factory capacity and resource utilization decrease
Solution Approach 1:
The system maintains testing reliability by implementing dedicated test routines for each chip package type within the universal test interface. Each test routine is specifically programmed to match the requirements of its target package type, ensuring accurate and reliable testing while allowing multiple package types to share the same physical testing resources.
Data Source
AI summary
A chip package assembly testing system and method for testing a chip package assembly are provided herein. In one example, an IC test system is provide that includes a robot, an input queuing station, an output queuing station, and a test station. The test station includes a first and second test interfaces. The first test interface is configurable to receive and communicatively connect with a first chip package assembly having one arrangement of solder ball connections. The second test interface is configurable to receive and communicatively connect with a second chip package assembly having a different arrangement of solder ball connections. The test station also includes a first test processor configured to test the chip package assembly connected through the first interface utilizing a predetermined first test routine and a second test processor configured to test the chip package assembly connected through the second interface utilizing a predetermined second test routine.