Table 1 Comparative analysis of traditional electronic fabrication technology and advanced flexible electronics fabrication technologies
Technology | Classification | Approximate resolution | Applications | Efficiency | Durability | Cost | Ref. |
|---|---|---|---|---|---|---|---|
Traditional electronic fabrication technology | - | 3 nm–μm | Integrated circuit, print circuit board, etc. | Low | High | High | - |
Printed electronics fabrication technology | Spray coating | 30–100 μm56 | Flexible sensors177, flexible displays60, flexible circuit59, etc. | Minutes | Moderate | Low | |
Screen printing | 20–100 μm65 | Flexible solar cells68, flexible displays65, flexible circuit69, etc. | Minutes | Moderate | |||
Roll-to-roll technology | 1 μm152 | Flexible solar cells76, flexible displays73, flexible batteries74, flexible circuit71, etc. | Minutes–hours | High | |||
Soft transfer technology | Soft transfer | Thermal release transfer 60 nm178 | Minutes | Moderate | Moderate | ||
Laser-driven non-contact transfer 10–100 μm83 | High | ||||||
Shear-assisted transfer 50 nm48 | Low | ||||||
Shape memory material transfer 10 μm162 | High | ||||||
Surface chemical and adhesive transfer 50 nm85 | High | ||||||
3D structures fabrication technology | Soft lithography | μCP 100 nm92 | Minutes–hours | High | Moderate | ||
μTM 350 nm87 | High | ||||||
MIMIC 200 nm–5 μm180 | High | ||||||
SAMIM 1 μm95 | Moderate | ||||||
3D printing | SLA 100 nm (m-SLA)96 | Flexible circuit112, flexible sensors106, soft robotics96, implantable devices105, microfluidics181, etc. | Minutes–hours | High | |||
DLP 50 μm104 | High | ||||||
FDM 100 μm182 | Low | ||||||
DIW 75 μm112 | Low | ||||||
Fiber/fabric technology | Thermal drawing 50 μm–1 mm183 | Flexible circuit119, flexible sensor184, biomedical185, etc. | Minutes–hours | Low | |||
Electrospinning 3 nm–5 μm186 | Moderate | ||||||
Deformation fabrication technology | Kirigami technology | 50 nm187 | Flexible sensors133, flexible electrode136, implantable devices138, etc. | Minutes | High | Low | |
Mechanically guided assembly technology | 10 nm144 | Flexible sensors130, soft robotics10, flexible circuit141, etc. | Minutes | Low |