Vertical Reflow Soldering Chambers With Independent Thermal Control
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Solution Overview
Problem
Existing soldering devices for reflow soldering require significant space and lack flexibility in thermal impact methods, limiting their efficiency and cost-effectiveness.
Innovation Solution
A device with multiple stacked process chambers allows for simultaneous soldering of multiple assemblies with independent thermal control, enabling time-offset processing and reduced space usage by arranging process chambers vertically, which facilitates efficient thermal management and handling of assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple assemblies are soldered sequentially in a single process chamber, then thermal control is simple, but productivity is low and space efficiency is poor
Solution Approach 1:
The patent transitions from horizontal arrangement of process chambers to vertical stacking, utilizing the third dimension (height) to increase capacity. Multiple process chambers are arranged vertically one above another, allowing parallel processing of multiple assemblies without increasing horizontal footprint, thus improving productivity while maintaining space efficiency.
Solution Approach 2:
The soldering process is divided into multiple independent process chambers, each capable of handling a separate assembly simultaneously. This segmentation allows parallel processing of different assemblies at different stages of the soldering cycle, significantly increasing throughput while maintaining independent thermal control for each chamber.
2Productivity
If process chambers are arranged horizontally to allow parallel processing, then productivity increases, but device footprint and space requirements increase
Solution Approach 1:
The patent resolves this contradiction by arranging process chambers vertically instead of horizontally. The vertical stacking allows parallel processing of multiple assemblies while confining the device to a compact horizontal footprint. Each process chamber is positioned directly above or below another, utilizing vertical space to achieve parallel processing without expanding the device's horizontal area.
3Adaptability or versatility
If thermal impact methods are standardized across all process chambers, then device complexity is reduced, but adaptability and thermal control precision decrease
Solution Approach 1:
Each process chamber is equipped with independent thermal control capabilities, allowing different thermal impact methods (convection, conduction, radiation, vapor phase) to be applied locally according to the specific requirements of each assembly or process stage. This local customization of thermal characteristics enables precise control and adaptability without requiring a completely complex centralized system.
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
This solution reduces space requirements, enhances thermal control precision, and increases the throughput of soldering processes, enabling efficient and cost-effective soldering of multiple assemblies with improved thermal management.
Implementation Method 1
by applying thermal energy to the assembly, a bond is created, wherein a liquid phase arises due to melting of a solder
Implementation Method 2
Following cooling of the soldering flux or following the hardening of the soldering flux melted at least in sections, a solid and/or rigid bond of the individual components and of the soldering flux of the assembly is formed
Data Source
AI summary
A device for soldering, in particular for reflow soldering, of at least one assembly, having a process chamber arrangement, comprises at least two process chambers for preparing a soldering method and/or for carrying out a soldering method and/or for post-processing a soldering method, wherein the at least two process chambers are arranged above one another, in particular in a stack-like manner.