title: Imbricate scales as a design construct for microsystem technologies.
abstract: Spatially overlapping plates in tiled configurations represent designs that are observed widely in nature (e.g., fish and snake scales) and man-made systems (e.g., shingled roofs) alike. This imbricate architecture offers fault-tolerant, multifunctional capabilities, in layouts that can provide mechanical flexibility even with full, 100% areal coverages of rigid plates. Here, the realization of such designs in microsystems technologies is presented, using a manufacturing approach that exploits strategies for deterministic materials assembly based on advanced forms of transfer printing. The architectures include heterogeneous combinations of silicon, photonic, and plasmonic scales, in imbricate layouts, anchored at their centers or edges to underlying substrates, ranging from elastomer sheets to silicon wafers. Analytical and computational mechanics modeling reveal distributions of stress and strain induced by deformation, and provide some useful design rules and scaling laws.
authors.affiliation: Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, 1206 West Green Street, Urbana, IL 61801, USA.
authors.forename: Seok
authors.initials: S
authors.lastname: Kim
authors.forename: Yewang
authors.initials: Y
authors.lastname: Su
authors.forename: Agustin
authors.initials: A
authors.lastname: Mihi
authors.forename: Seungwoo
authors.initials: S
authors.lastname: Lee
authors.forename: Zhuangjian
authors.initials: Z
authors.lastname: Liu
authors.forename: Tanmay K
authors.initials: TK
authors.lastname: Bhandakkar
authors.forename: Jian
authors.initials: J
authors.lastname: Wu
authors.forename: Joseph B
authors.initials: JB
authors.lastname: Geddes
authors.forename: Harley T
authors.initials: HT
authors.lastname: Johnson
authors.forename: Yongwei
authors.initials: Y
authors.lastname: Zhang
authors.forename: Jung-Ki
authors.initials: JK
authors.lastname: Park
authors.forename: Paul V
authors.initials: PV
authors.lastname: Braun
authors.forename: Yonggang
authors.initials: Y
authors.lastname: Huang
authors.forename: John A
authors.initials: JA
authors.lastname: Rogers