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Three-Dimensional Curvy Electronics Enabled by Conformal Additive Stamp Printing Public Deposited
- Abstract
The dominant form of electronics, i.e. microelectronics, have been traditionally manufactured into planar layouts. Many electronics and devices, ranging from optoelectronics to wave electronics and to wearables, need to be configured into three dimensional (3D) curvy shapes to realize their functions. However, so far, there has been very limited success in realizing them, mainly due to the lack of effective manufacturing technology. Here, we reported conformal additive stamp (CAS) printing technology for reliably manufacturing 3D curvy electronics in a simple and effective way. CAS printing employs a pneumatically inflated elastomeric balloon as a conformal stamping medium to pick up the pre-fabricated electronic devices and print them onto curvy surfaces. Various devices in curvy shapes, including Si pellets, photodetector arrays, electrically small antennas, hemispherical solar cells, and smart contact lenses are demonstrated based on CAS printing. CAS printing is versatile as it can manufacture onto arbitrary 3D surfaces. Systematic investigations have revealed the key aspects, fidelity, and versatility of CAS printing. CAS printing opens doors towards the burgeoning 3D curvy electronics.
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- 2020-11-13
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Nat_Electronics_Main_text_BTPs.pdf | 2020-11-13 | Public | Download |