Butterfly Network. has filed a patent for an ultrasound transducer device with an electrode, membrane, patterned membrane support layer, and vias connecting the electrode to a substrate. The vias are strategically placed to ensure less than 50% overlap with the support surface of the membrane layer. GlobalData’s report on Butterfly Network gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Butterfly Network, Doppler ultrasound imaging was a key innovation area identified from patents. Butterfly Network's grant share as of January 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Ultrasound transducer device with patterned membrane support layer
The patent application (Publication Number: US20240024917A1) describes an ultrasound transducer device with unique features. The device includes an electrode, a membrane separated from the electrode by a cavity, a patterned membrane support layer defining the cavity's size and shape, and vias connecting the electrode to a substrate. Notably, the vias are positioned in a way that less than 50% of them overlap with the support surface of the patterned membrane support layer in a plan view. Additionally, the interface between the membrane and the support layer has a surface roughness of less than one nanometer over a distance of 100 micrometers.
Furthermore, the ultrasound transducer device may also include a patterned metal layer between the electrode and the vias. The patent application also extends to an ultrasound device comprising an array of transducer devices, with each device being the unique ultrasound transducer device described in the claims. These claims highlight the innovative design and construction of the ultrasound transducer device, emphasizing the specific positioning of vias and the surface roughness of the membrane-support layer interface. Such features aim to enhance the performance and efficiency of ultrasound technology, potentially leading to advancements in medical imaging and diagnostic applications.
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