Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3256185
Keywords
finite element analysis; internal stresses; photodetectors
Categories
Funding
- NSF [DMI-0328162, ECCS-0824129]
- DOE, Division of Materials Sciences [DE-FG02-07ER46453]
- Directorate For Engineering [800417] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [824129] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn [800417] Funding Source: National Science Foundation
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A simple analytical model is established for the development of hemisphere electronics, which has many important applications in electronic-eye cameras and related curvilinear systems. The photodetector arrays, made in planar mesh layouts with conventional techniques, are deformed and transferred onto a hemisphere. The model gives accurately the positions of photodetectors on the hemisphere, and has been validated by experiments and finite element analysis. The results also indicate very small residual strains in the photodetectors. The model provides a tool to define a pattern of photodetectors in the planar, as-fabricated layout to yield any desired spatial configuration on the hemisphere.
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