Flexible Devices
Flexible Devices - Related Videos
11:02
Flexible Organic Electronic Devices for Pulsed Electric Field Therapy of Glioblastoma
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Cited by 2 •
2022
This work describes the development of flexible interdigitated electrodes for implementation in 3D brain tumor models, namely, in vitro culture, in ovo model, and in vivo murine model. The proposed method can be used to evaluate the effects of pulsed electric fields on tumors at different levels of complexity.
08:29
Thermal Measurement Techniques in Analytical Microfluidic Devices
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Cited by 6 •
2015
Here, we present three protocols for thermal measurements in microfluidic devices.
08:30
Operant Procedures for Assessing Behavioral Flexibility in Rats
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Cited by 69 •
2015
The ability to assess executive functions such as behavioral flexibility in rats is useful for investigating the neurobiology of cognition in both intact animals and disease models. Here we describe automated tasks for assessing strategy shifting and reversal learning, which are particularly sensitive to disruptions in prefrontal cortical networks.
06:40
Insertion of Flexible Neural Probes Using Rigid Stiffeners Attached with Biodissolvable Adhesive
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Cited by 99 •
2013
Insertion of flexible neural microelectrode probes is enabled by attaching probes to rigid stiffeners with polyethylene glycol (PEG). A unique assembly process ensures uniform and repeatable attachment. After insertion into tissue, the PEG dissolves and the stiffener is extracted. An in vitro test method evaluates the technique in agarose gel.
08:43
Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
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Cited by 1 •
2016
This manuscript describes the bending process of an organic single crystal-based field-effect transistor to maintain a functioning device for electronic property measurement. The results suggest that bending causes changes in the molecular spacing in the crystal and thus in the charge hopping rate, which is important in flexible electronics.
FAQs
Flexible devices preserve operation during deformation by combining materials and structures that accommodate strain rather than treating bending as an external load on a rigid assembly. Flexible substrates provide the base, while thin-film components, conductive materials, and compliant interconnections form an integrated architecture. This arrangement helps the system remain electrically or mechanically functional as it bends, folds, stretches, or follows a curved surface.
Compliant interconnections are important because they accommodate deformation between functional components while helping maintain electrical performance. For flexible designs, these interconnections work with the substrate and conductive materials to support signal continuity during operation. Their behavior directly relates to signal stability under mechanical stress, making them an important engineering feature when the system must repeatedly change shape without losing essential function.
Reliability depends on more than initial operation. Repeated mechanical stress can challenge durability and signal stability, especially when a device must bend, fold, stretch, or conform during use. Engineering research therefore examines how the architecture and materials sustain performance under these conditions. Manufacturing scalability is another concern, because a design must be produced consistently as development moves toward broader implementation.
Design requires coordination among a flexible substrate, thin-film components, conductive materials, and compliant interconnections. The selection is not an isolated materials decision: these elements must function together while accommodating the intended deformation and preserving essential electrical or mechanical performance. Engineers also consider the target surface or environment, since wearable interfaces, curved surfaces, and irregular settings create different integration requirements.
Applications span wearable sensors, foldable displays, soft robotics, biomedical interfaces, and conformable energy systems. In each case, flexibility can support closer integration with the body, a curved surface, or an irregular environment. That capability may improve comfort, portability, or system integration, making these devices relevant when an engineering system must operate effectively despite the shape or constraints of its setting.
Current development focuses on balancing mechanical adaptability with dependable operation. Key challenges include durability during repeated deformation, signal stability, manufacturing scalability, and reliable performance under mechanical stress. These issues determine whether a device can become a practical engineering system rather than remain an early design concept. Addressing them is especially important for wearable, biomedical, robotic, display, and energy applications that depend on sustained function.