نتایج جستجو برای: screen printing

تعداد نتایج: 96067  

2004
A. Cranny

In an attempt to improve the functionality of a prosthetic hand device, a new fingertip has been developed that incorporates sensors to measure temperature and grip force, and to detect the onset of object slip from the hand. The sensors have been implemented using thick film printing technology and exploit the piezoresistive characteristics of commercially available screen printing resistive p...

2012
Thomas Blaudeck Peter Andersson Ersman Mats Sandberg Sebastian Heinz Ari Laiho Jiang Liu Isak Engquist Magnus Berggren Reinhard R. Baumann

We report on a hybrid manufacturing approach for organic electrochemical transistors (OECTs) on flexible substrates. The technology is based on conventional and digital printing (screen and inkjet printing), laser processing, and post-press technologies. A careful selection of the conductive, dielectric and semiconductor materials with respect to their optical properties enables a self-aligning...

2000
Tomasz J. Cholewo Steve Weed Brian Cooper Michael Lhamon

Hexagonal dot packing offers advantages for electrophotographic (EP) printing over conventional dot placement on a square grid. These advantages derive from a reduced neighborhood with which each dot interacts. Hexagonal dot packing has exhibited better grayscale performance with small clusters. Multiple dot centers in each tile allow obtaining more gray levels for a particular screen frequency...

2003
Marc Burgelman

General properties of thin film solar cells and panels are discussed, and compared to crystalline silicon. A state-of-the-art of thin film cells and panels is given. One thin film production technique is elaborated: screen printing and sintering. The technique and its application to CdS/CdTe cells are presented. It is shown that sophistication to the basic technique can overcome inherent shortc...

Journal: :Displays 2008
D.-H. Lee J. S. Choi H. Chae C.-H. Chung S. M. Cho

We demonstrate the use of screen printing in the fabrication of highly efficient phosphorescent polymer organic light-emitting devices (OLEDs) based on a green-emitting Ir(ppy)3 and a host polymer PVK. We incorporate PBD in the polymer host as an electron-transporting dopant and a-NPD as a hole-transporting dopant. The best screen-printed single-layer device exhibits very high peak luminous eff...

2016
Heijun Jeong Sungjoon Lim

In this paper, we propose a stretchable radio-frequency (RF) strain sensor fabricated with screen printing technology. The RF sensor is designed using a half-wavelength patch that resonates at 3.7 GHz. The resonant frequency is determined by the length of the patch, and it therefore changes when the patch is stretched. Polydimethylsiloxane (PDMS) is used to create the substrate, because of its ...

2017
Heijun Jeong Sungjoon Lim

A stretchable electromagnetic absorber fabricated using screen printing technology is proposed in this paper. We used a polydimethylsiloxane (PDMS) substrate to fabricate the stretchable absorber since PDMS exhibits good dielectric properties, flexibility, and restoring capabilities. DuPont PE872 (DuPont, Wilmington, CT, USA), a stretchable silver conductive ink, was used for the screen printin...

Journal: :Journal of Engineering Mathematics 2012

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