The invention is a design for a printed circuit assembly (PCA) retention structure that grounds
the PCA without the use of dedicated components, tools to mount the PCA, or a grounding wire.
This design was developed for a modular sensor PCA which must be installed and replaced by
service technicians in tight spaces that do not accommodate the use of tools. Also, the addition of
dedicated components for grounding would have represented a material cost increase and
negatively impacted the ability to fit the PCA into the available space. The invention greatly
contributes to the long-term robustness and serviceability of the device.
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INC, HP, "ELECTROSTATIC DISCHARGE SYSTEM FOR MODULAR SENSOR DEVICE", Technical Disclosure Commons, (November 29, 2018)