fig3

From: Flexible iontronic pressure sensing technology: advanced structural ionic layer

Figure 3. Template stripping method. (A) Secondary-mold casting and (B) single-mold casting using regular array templates. Reproduced with permission^[19,70]. Copyright 2022 American Chemical Society and 2023 Wiley-VCH; (C) Natural template. Reproduced with permission^[9] Copyright 2018, Wiley-VCH; (D) Wet etching template. Reproduced with permission^[71]. Copyright 2025, American Chemical Society; (E) Rough surface template. Reproduced with permission^[10]. Copyright 2020, Springer Nature; (F) Pre-stretched template^[72]. Reproduced with permission. Copyright 2024, American Chemical Society. 3D: Three-dimensional; PDMS: polydimethylsiloxane; PET: poly(ethylene terephthalate); CNC: Computer Numerical Control; PTFE: polytetrafluoroethylene; [EMIM][TFSI]: 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide; P(VDF-HFP): poly(vinylidene fluoride-hexafluoropropylene); MIG: microstructured ionic gel; PVA: poly(vinyl alcohol); PI: polyimide; GIA: graded intrafillable architecture.