Flexible film broadband absorber based on diamond-graphite mixture and polyethylene

2017 ◽  
Vol 73 ◽  
pp. 388-392 ◽  
Author(s):  
Alexander A. Ivanenko ◽  
Igor A. Tambasov ◽  
Anastasia A. Pshenichnaia ◽  
Nikolai P. Shestakov
Keyword(s):  
Broadband Absorber ◽  
Flexible Film

Monolithic Fabrication of Flexible Film and Thinned Integrated Circuits

1997 ◽  
Vol 117 (8) ◽  
pp. 413-419 ◽  
Author(s):  
Shinji Kaneko ◽  
Nobuyoshi Asaoka ◽  
Hiroshi Tosaka ◽  
Ryo Ota ◽  
Kazuhisa Yanagisawa
Keyword(s):  
Integrated Circuits ◽  
Flexible Film

scholarly journals A thin film broadband absorber based on multi-sized nanoantennas

2011 ◽  
Vol 99 (25) ◽  
pp. 253101 ◽  
Author(s):  
Yanxia Cui ◽  
Jun Xu ◽  
Kin Hung Fung ◽  
Yi Jin ◽  
Anil Kumar ◽  
...  
Keyword(s):  
Thin Film ◽  
Broadband Absorber

scholarly journals Design and Experiment Using Flexible Bumps for Piezoelectric-Driven Hydraulically Amplified Braille Dot Display

Micromachines ◽  
2021 ◽  
Vol 12 (7) ◽  
pp. 795
Author(s):  
Xiaochao Tian ◽  
Yuze Sun ◽  
Zhiyao Li ◽  
Hu Wang ◽  
Zhicong Wang ◽  
...  
Keyword(s):  
Structural Parameters ◽  
Water Discharge ◽  
Experimental Tests ◽  
Output Displacement ◽  
Amplification Ratio ◽  
Fluid Resonance ◽  
Piezoelectric Vibrator ◽  
Flexible Film ◽  
Touch Sensitivity ◽  
Sensitivity Standard

This paper describes the design of a piezoelectric-driven hydraulically amplified Braille-flexible bump device that enables the flexible formation of Braille characters. A piezoelectric vibrator is used to excite fluid resonance in a cavity, and displacement is realized by compressing the fluid, allowing Braille character dots to be formed. First, the structural design and working principle of the device, as well as the method used to drive the fluid, are explained. Expressions for the output displacement and amplification ratio of the flexible film and piezoelectric vibrator are then obtained through kinetic analysis of the system unit. Subsequently, the structural parameters that affect the output displacement and the liquid amplification are described. Finally, experimental tests of the system are explained. The results indicate that the output displacement of the contact formed by the flexible film reaches 0.214 mm, satisfying the requirements of the touch sensitivity standard for the blind, when the fluid cavity diameter measures 31 mm and the resonance frequency is 375.4 Hz. The corresponding water discharge is 8.8 mL. This study proves that constructing a Braille bump device in this way is both feasible and effective.

Soft magnetic skin for super-resolution tactile sensing with force self-decoupling

2021 ◽  
Vol 6 (51) ◽  
pp. eabc8801
Author(s):  
Youcan Yan ◽  
Zhe Hu ◽  
Zhengbao Yang ◽  
Wenzhen Yuan ◽  
Chaoyang Song ◽  
...  
Keyword(s):  
External Disturbance ◽  
Super Resolution ◽  
Tactile Sensor ◽  
Human Robot Interaction ◽  
Tactile Sensors ◽  
Dexterous Manipulation ◽  
Robot Interaction ◽  
Flexible Film ◽  
Challenging Tasks ◽  
External Forces

Human skin can sense subtle changes of both normal and shear forces (i.e., self-decoupled) and perceive stimuli with finer resolution than the average spacing between mechanoreceptors (i.e., super-resolved). By contrast, existing tactile sensors for robotic applications are inferior, lacking accurate force decoupling and proper spatial resolution at the same time. Here, we present a soft tactile sensor with self-decoupling and super-resolution abilities by designing a sinusoidally magnetized flexible film (with the thickness ~0.5 millimeters), whose deformation can be detected by a Hall sensor according to the change of magnetic flux densities under external forces. The sensor can accurately measure the normal force and the shear force (demonstrated in one dimension) with a single unit and achieve a 60-fold super-resolved accuracy enhanced by deep learning. By mounting our sensor at the fingertip of a robotic gripper, we show that robots can accomplish challenging tasks such as stably grasping fragile objects under external disturbance and threading a needle via teleoperation. This research provides new insight into tactile sensor design and could be beneficial to various applications in robotics field, such as adaptive grasping, dexterous manipulation, and human-robot interaction.

Hybrid organic–inorganic heterojunction solar cells with 12% efficiency by utilizing flexible film-silicon with a hierarchical surface

Nanoscale ◽  
2014 ◽  
Vol 6 (6) ◽  
pp. 3361 ◽  
Author(s):  
Subramani Thiyagu ◽  
Chen-Chih Hsueh ◽  
Chien-Ting Liu ◽  
Hong-Jhang Syu ◽  
Tzu-Ching Lin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Heterojunction Solar Cells ◽  
Flexible Film

Hybrids of cobalt nanochains and polyvinylidene fluoride with enhanced microwave absorption performance

RSC Advances ◽  
2016 ◽  
Vol 6 (60) ◽  
pp. 55546-55551 ◽  
Author(s):  
Shu-Qing Lv ◽  
Ya-Fei Pan ◽  
Pei-Bo Yang ◽  
Guang-Sheng Wang
Keyword(s):  
Microwave Absorption ◽  
Polyvinylidene Fluoride ◽  
Chemical Method ◽  
Wet Chemical Method ◽  
Absorption Properties ◽  
Flexible Film ◽  
Absorption Performance ◽  
Wet Chemical ◽  
Microwave Absorption Performance

By using a simple wet chemical method and hot-molding procedure, a kind of flexible film with enhance absorption properties based on binary cobalt nanochains/polyvinylidene fluoride (PVDF) hybrids has been successfully fabricated.

An ultra-thin and broadband absorber using slotted metal loop with multi layers

Optik ◽  
2016 ◽  
Vol 127 (1) ◽  
pp. 387-389 ◽  
Author(s):  
Yu Ze ◽  
Lu Gui-Zhen
Keyword(s):  
Broadband Absorber
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