Semiconductor Test Interface Exchange Module
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Solution Overview
Problem
Existing test systems for semiconductor elements face challenges in efficiently exchanging interface units due to high contact pressure forces, requiring robust guide elements that can absorb and manage significant forces while maintaining accuracy and simplicity, especially when testing different semiconductor components.
Innovation Solution
A module for exchanging interface units in a test system, featuring a base element attached to the test system, a holder for the interface unit, and guide elements that connect the holder to the base element, with a coupling device to secure the interface unit in place, allowing for easy exchange and reliable positioning without relying on the pressure mechanism's tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If robust guide elements are used to absorb high contact pressure forces, then reliability is improved, but device complexity increases
Solution Approach 1:
The guide element is divided into a first guide element and a second guide element, with the interface unit positioned between them. This segmentation allows each guide element to independently absorb contact pressure forces, improving reliability while keeping individual element complexity manageable
Solution Approach 2:
The coupling device integrates the first guide element, second guide element, and interface unit into a unified assembly. This merging allows the system to absorb high contact forces through the combined structure while presenting a simple interface for exchange operations
2Reliability
If the interface unit is securely coupled to absorb high forces, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The coupling device incorporates movable coupling elements that can dynamically transition between locked and unlocked states. This allows the interface unit to be securely held during operation (absorbing high forces) while enabling easy exchange when needed through simple actuation of the coupling mechanism
Solution Approach 2:
The coupling device is pre-configured with coupling elements positioned to automatically engage with the interface unit upon insertion. This preliminary positioning ensures reliable force absorption from the start while requiring minimal operation for secure coupling
3Adaptability or versatility
If the holder is moved to removal position for exchange, then adaptability is improved, but loss of time increases
Solution Approach 1:
The interface unit can be extracted from the holder by moving the holder to the removal position where the interface unit is accessible outside the area between test unit and handling unit. This extraction enables exchange of different interface units for testing different semiconductor elements, improving adaptability while the guided movement ensures quick, time-efficient operation
Data Source
AI summary
The invention relates to a module for exchanging an interface unit in a test system with a handling unit and test unit for testing semiconductor elements. The module has a base element which is or can be attached to the test system, a holder for holding an interface unit, and guide elements which connect the holder to the base element. The guide elements are designed to guide the holder relative to the base element between the insertion position, in which the holder is located in the test system between the test unit and the handling unit, and the removal position, in which the holder is located outside an area between the test unit and the handling unit for exchanging the interface unit. Furthermore, at least one docking unit is provided, each with a docking element and a docking counter-element for coupling the holder to the base element in such a way that the coupling provides a rigid connection at least perpendicular to an interface plane. The docking element or the docking counter-element is attached to the holder and the docking counter-element or the docking element is attached to the base element, and the docking unit is designed for mechanically connecting and disconnecting the docking element to the docking mating element. The invention also relates to a test system with the module, methods for testing semiconductor elements and methods for exchanging interface units.