Innovative Techniques for Glue Management in Device Assembly
In this project update, advancements in managing glue viscosity, tooling design progress, heater loading tools, cell handling techniques, and alignment procedures are discussed. The implementation of systematic warm-up for glue, optimization trials for glass deposition, and preparations for heater assembly are detailed. Expectations for improved glue handling and readiness for assembly by the end of January are highlighted.
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Presentation Transcript
HEATERS LOADING @CPPM Eric Vigeolas 17/12/2018
Stycast 2850FT Following the observation we made that the glue tend to dry out and get more viscous in a 1kg Pot. We decided to split, at the opening, the glue in several little cartridges Worth after one month non of the pot are usable Viscosity change will make this glue usage quite difficult during detector assembly We will try a systematic warm up of the glue (50 C) 1 h before mixing to increase repeatability
Tooling design progress 3 axis deposition tool is ready We started the first deposition trials January we will run glass deposition test to control repeatability and optimize pattern and surface coverage We will perform minimal thickness measurement vs load
Heater loading tool Design almost done, just need to complete the bridge design Load cell has been added + micro screw for vertical adjustment
Heater placement Specific alignment references has been added to align the heater before cell mounting and heater loading Alignment blocs Heater footprint
Cell handling Cell will be vacuumed on the TPG surface, gap will be added on the cooling bloc to create a kinematic assembly Cell alignment is done with the cooling bloc pins TPG vacuum grove Grove to prevent from glue excess Gap for kinematic assembly
Cell Alignment A kinematic assembly has been designed for the cell alignment
Conclusion We expect a better management of the glue with the warming step which will be added prior to the deposition By January we will focus on glue deposition optimization and repeatability tests on glass tiles By end of January we will be ready for heaters assembly
