Automated Laser Header Testing Rotary Stage
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Solution Overview
Problem
Conventional laser header testing systems lack automation, flexibility, and effective temperature and humidity control, leading to inefficient characterization and throughput issues.
Innovation Solution
An automated laser header testing system with a rotary stage, multiple testing sites, and environmental control mechanisms, including thermal control devices and air ducts, to rotate and position laser headers for comprehensive testing across various conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional laser header testing apparatuses are used, then testing can be performed at room temperature, but the system lacks automation, flexibility, temperature control, and has poor throughput
Solution Approach 1:
The testing system is divided into multiple independent testing sites (first testing site, second testing site, etc.) arranged around a rotary stage. Each testing site can independently receive and test laser headers, allowing parallel testing operations. This segmentation enables automation while maintaining manageable system complexity through modular design.
Solution Approach 2:
The rotary stage serves multiple functions: it positions different testing sites, controls environmental conditions (temperature, humidity), and manages the testing sequence. This multi-functionality reduces the need for separate dedicated mechanisms for each function, balancing automation with system complexity.
2Productivity
If multiple testing sites are added to improve throughput, then productivity increases, but device complexity increases
Solution Approach 1:
Multiple testing sites are combined on a single rotary stage structure, sharing common support, control, and environmental management systems. This merging approach enables parallel testing (improving throughput) while avoiding the complexity of completely separate testing systems for each site.
Solution Approach 2:
The testing sites are arranged in a radial configuration around the rotary stage, utilizing circular space rather than linear arrangement. This dimensional change allows multiple testing sites to be compactly organized, improving throughput while controlling system footprint and complexity.
3Measurement precision
If environmental control mechanisms are added to control temperature and humidity, then measurement precision improves, but device complexity increases
Solution Approach 1:
Environmental control mechanisms (thermal control devices, air ducts) are introduced as intermediary components between the testing sites and the external environment. These intermediaries precisely control temperature and humidity conditions, improving measurement accuracy while isolating the core testing functionality from direct environmental variations.
Solution Approach 2:
The system actively controls and varies environmental parameters (temperature, humidity) to match specific testing requirements. By precisely adjusting these parameters through dedicated control mechanisms, the system achieves high measurement precision for laser header characterization under different operating conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances automation, flexibility, and throughput by accurately controlling environmental conditions for precise characterization of laser headers, improving testing efficiency and accuracy.
Implementation Method 1
The testing fixture can further include a thermal control device for conducting heat to or from the laser header
Implementation Method 2
The one or more air ducts can also be configured to conduct heat to and from the laser header
Data Source
AI summary
Systems for automated laser header testing are disclosed. A system can include a base portion, a rotary stage supported by the base portion, at least one testing site supported by the rotary stage, and a plurality of testing stations supported by the base portion and radially arranged about a center point of the rotary stage for testing the laser header. Each testing site can include a testing fixture supported by the testing site. The testing fixture can include an air shield providing an isolated environment for testing the laser header. The testing fixture can further include a heat sink and air ducts for controlling testing conditions. Electrical contact members can releasably contact leads of the laser header and a releasing mechanism releases the leads of the laser header from the electrical contact members.