Search Results - eun+kim

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2019-116 - Focused Ultrasound Transducer with Electrically Controllable Focal Length

Market Opportunity Focused ultrasound (FUS) has a wide application potential in imaging, tumor treatment, neuron stimulation and other areas. Previously designed transducers are of a fixed focal length, with no electrical controllability for focal length, and are incapable of dynamically changing the focal spot without moving the transducer. USC Solution USC...

Published: 2/3/2026 Inventor(s): Eun Kim, Lurui Zhao
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12-589 - Electromagnetic Energy Conversion through Coil and Magnet Arrays

Vibrational-to-electrical energy conversion Energy harvesting Alternate energy sources Abstract USC researchers have demonstrated vastly improved vibrational-to-electrical energy conversion efficiencies using a large array of small magnets along with a large array of small coils. This design maximizes the magnetic flux change as the coil...

Published: 11/18/2025 Inventor(s): Eun Kim, Qian Zhang
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2020-195 - Contactless, Damage-Free, High-Precision Cell Extraction and Transfer through Acoustic Droplet Ejection

Market Opportunity Isolating cells is an important step before next-generation sequencing, Sanger sequencing, PCR, and proteomics. The current cell extraction techniques such as pipetting or laser capture microdissection (LCM) produce unwanted damage to the extracted cells and remaining cells. Moreover, while pipetting offers good precision, it is...

Published: 2/3/2026 Inventor(s): Eun Kim, Xuelian Chen, John Zhong, Yongkui Tang
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2020-194 - Pick and Placement of Semiconductor Chips Based On Nozzleless Self-Focusing Acoustic Droplet Ejector

Abstract USC researchers have invented an apparatus and affiliated process capable of on-demand picking and placing of semiconductor chips based on a nozzleless acoustic droplet ejector which ejects liquid droplets to carry very small semiconductor chips or dies to a targeted substrate. Currently, almost all commercially available liquid droplet ejectors...

Published: 2/3/2026 Inventor(s): Eun Kim, Yongkui Tang
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