Reverse layered transfer technology as an innovative manufacturing process for high-efficiency OLED lightings (Conference Presentation)

2018 ◽  
Author(s):  
Yonung Yoo ◽  
Yoonsoo Choi ◽  
Yeong Jin Lim ◽  
Jin-Young Na ◽  
Sun-Kyung Kim ◽  
...  
Keyword(s):  
Manufacturing Process ◽  
High Efficiency

Highly efficient single-layer organic light-emitting devices based on a bipolar pyrazine/carbazole hybrid host material

2014 ◽  
Vol 2 (14) ◽  
pp. 2488-2495 ◽  
Author(s):  
Yuan Liu ◽  
Lin-Song Cui ◽  
Mei-Feng Xu ◽  
Xiao-Bo Shi ◽  
Dong-Ying Zhou ◽  
...  
Keyword(s):  
Manufacturing Process ◽  
High Efficiency ◽  
Single Layer ◽  
Host Material ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Highly Efficient ◽  
Organic Light ◽  
Organic Light Emitting Devices

High efficiency blue (F), green (P), orange (P) and F–P hybrid warm white single-layer OLEDs are fabricated through a simple manufacturing process.

Impact of the manufacturing process on the reverse-bias characteristics of high-efficiency n-type bifacial silicon wafer solar cells

2019 ◽  
Vol 191 ◽  
pp. 117-122 ◽  
Author(s):  
Vinodh Shanmugam ◽  
Ning Chen ◽  
Xia Yan ◽  
Ankit Khanna ◽  
Balaji Nagarajan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Silicon Wafer ◽  
Manufacturing Process ◽  
Reverse Bias ◽  
High Efficiency

Evaluation of the Iron Loss of the Actual Stator Core to Achieve High Efficiency of the Rotating Machine

2010 ◽  
Vol 670 ◽  
pp. 447-454 ◽  
Author(s):  
Mohachiro Oka ◽  
Tugunori Kanada ◽  
Takayuki Kai ◽  
Masato Enokizono
Keyword(s):  
Manufacturing Process ◽  
Path Length ◽  
High Efficiency ◽  
Inner Core ◽  
Complex Configuration ◽  
Iron Loss ◽  
Stator Core ◽  
Rotating Machine ◽  
Iron Losses ◽  
Before And After

In this paper, the iron loss of an actual stator core of the complex configuration was evaluated by using the proposed effective magnetic path length and the excitation inner core, which were developed in this research. The iron loss of an actual stator core in the manufacturing process was described. Iron losses of actual stator cores before and after the varnish processing were measured using the excitation inner core of several kinds of shapes. As a result, iron losses of actual stator cores evaluated using the proposed effective magnetic path length were within appropriate values.

scholarly journals Development of a New Cold Metal Transfer Arc Additive Die Manufacturing Process

2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
An Zhang ◽  
Yanfeng Xing ◽  
Fuyong Yang ◽  
Xiaobing Zhang ◽  
Hongze Wang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Additive Manufacturing ◽  
Manufacturing Process ◽  
Molten Pool ◽  
High Efficiency ◽  
Metal Transfer ◽  
Cold Metal Transfer ◽  
Average Grain Size ◽  
Columnar Grains ◽  
Cold Metal

Due to its high efficiency, cold metal transfer (CMT) arc additive manufacturing presents considerable potential in the aluminium alloy additive manufacturing industry. However, during CMT arc additive manufacturing, the surrounding air environment promotes the lateral flow of liquid aluminium and the instability of the molten pool, reduces the surface quality and material utilisation of deposition walls, and causes internal hydrogen pores and coarse columnar grains, which negatively affect the structure and mechanical properties of the deposition walls. This study developed a CMT arc additive die manufacturing process to control the substrate material and deposition path to improve the physical properties of the deposition wall. The experimental results indicated that the copper plates can affect molten pool flow and material formation in the additive process, minimise hydrogen pores, and refine columnar grains. The porosity dropped from 2.03% to 0.93%, and the average grain size decreased from 16.2 ± 1.4 to 13.6 ± 1.3 μm, thereby enhancing the structure and mechanical properties of the deposition wall to attain standard additive manufacturing products.

scholarly journals Implementation of the extraction method for the separation of Fe3+ and Ni2+ ions on cascade of mixing-settling extractors

2022 ◽  
Vol 1212 (1) ◽  
pp. 012014
Author(s):  
N.A. Milevskii ◽  
Y.A. Klychevskikh ◽  
V.O. Solov’ev ◽  
I.V. Zinov’eva ◽  
M.I. Fedorova
Keyword(s):  
Hydrochloric Acid ◽  
Acid Solution ◽  
Hydrochloric Acid Solution ◽  
Manufacturing Process ◽  
Extraction Method ◽  
High Efficiency ◽  
Extraction Methods ◽  
Technological Solution ◽  
Extraction Scheme ◽  
Extraction Processes

Abstract Extraction processes are one of the most efficient methods of purification and separation of compounds. However, laboratory-developed methods commonly are not a complete technique that can be applied to the real manufacturing process with its extraction equipment. The extraction method for the separation of Fe3+ and Ni2+ ions using hydrochloric acid solution on a cascade of mixing-settling extractors has been determined. The extraction scheme chosen provides high efficiency of a cascade by using liquid pseudomembranes (LPM). Besides its extraction scheme simplicity, the LPM method is more economically beneficial compared to classical extraction methods. The process includes stages of Fe3+ ions extraction into the feed, followed by reextraction into the water and the feed purification for reusing it later on. The consumption of solvents and the stirring speed for the stable and efficient cascade work have been optimized. The described process is a complete technological solution for recycling processed battery waste.

scholarly journals Very Low Voltage and High Efficiency Motorisation for Electric Vehicles

2021 ◽  
Author(s):  
Daniel Matt ◽  
Nadhem Boubaker
Keyword(s):  
Thermal Behavior ◽  
Electric Vehicles ◽  
Electric Motor ◽  
Manufacturing Process ◽  
Electric Propulsion ◽  
High Efficiency ◽  
Low Voltage ◽  
Weight Ratio ◽  
Rotor Losses ◽  
Copper Losses

This chapter details the design of a new innovative solid bar winding for electrical machines (either motors or generators) dedicated to the electric propulsion. The goal of this new winding technique is to enhance the performance by better utilizing the stator slot and increasing the copper fill factor to higher than 75%, and also to reduce the inactive copper at the end-windings. Accordingly, many advantages arise from the application of this solid bar winding: higher torque-to-weight ratio, better thermal behavior, lower rotor losses, higher efficiency, higher reliability and lower cogging torque. However, the solid bar has its inherent constraints, which should be considered with care when designing an electric motor: the AC copper losses and the manufacturing process. The suggested winding technique aims at addressing these challenges.

Microcalorimeters for X-Ray Spectroscopy

1988 ◽  
Vol 102 ◽  
pp. 41
Author(s):  
E. Silver ◽  
C. Hailey ◽  
S. Labov ◽  
N. Madden ◽  
D. Landis ◽  
...  
Keyword(s):  
High Resolution ◽  
High Efficiency ◽  
Thermal Response ◽  
Low Noise ◽  
High Resolution Spectroscopy ◽  
Superconducting Transition ◽  
Sapphire Substrates ◽  
Laboratory Plasmas ◽  
Adiabatic Demagnetization ◽  
Theoretical Predictions

The merits of microcalorimetry below 1°K for high resolution spectroscopy has become widely recognized on theoretical grounds. By combining the high efficiency, broadband spectral sensitivity of traditional photoelectric detectors with the high resolution capabilities characteristic of dispersive spectrometers, the microcalorimeter could potentially revolutionize spectroscopic measurements of astrophysical and laboratory plasmas. In actuality, however, the performance of prototype instruments has fallen short of theoretical predictions and practical detectors are still unavailable for use as laboratory and space-based instruments. These issues are currently being addressed by the new collaborative initiative between LLNL, LBL, U.C.I., U.C.B., and U.C.D.. Microcalorimeters of various types are being developed and tested at temperatures of 1.4, 0.3, and 0.1°K. These include monolithic devices made from NTD Germanium and composite configurations using sapphire substrates with temperature sensors fabricated from NTD Germanium, evaporative films of Germanium-Gold alloy, or material with superconducting transition edges. A new approache to low noise pulse counting electronics has been developed that allows the ultimate speed of the device to be determined solely by the detector thermal response and geometry. Our laboratory studies of the thermal and resistive properties of these and other candidate materials should enable us to characterize the pulse shape and subsequently predict the ultimate performance. We are building a compact adiabatic demagnetization refrigerator for conveniently reaching 0.1°K in the laboratory and for use in future satellite-borne missions. A description of this instrument together with results from our most recent experiments will be presented.

Imaging and diffraction modes in Scanning Transmission Electron Microscopy

1986 ◽  
Vol 44 ◽  
pp. 684-687
Author(s):  
J. M. Cowley ◽  
R. Glaisher ◽  
J. A. Lin ◽  
H.-J. Ou
Keyword(s):  
Scanning Transmission Electron Microscopy ◽  
High Efficiency ◽  
Fiber Optic ◽  
Image Intensifier ◽  
Detector System ◽  
Detector Plane ◽  
Secondary Electrons ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
Special Detector

Some of the most important applications of STEM depend on the variety of imaging and diffraction made possible by the versatility of the detector system and the serial nature, of the image acquisition. A special detector system, previously described, has been added to our STEM instrument to allow us to take full advantage of this versatility. In this, the diffraction pattern in the detector plane may be formed on either of two phosphor screens, one with P47 (very fast) phosphor and the other with P20 (high efficiency) phosphor. The light from the phosphor is conveyed through a fiber-optic rod to an image intensifier and TV system and may be photographed, recorded on videotape, or stored digitally on a frame store. The P47 screen has a hole through it to allow electrons to enter a Gatan EELS spectrometer. Recently a modified SEM detector has been added so that high resolution (10Å) imaging with secondary electrons may be used in conjunction with other modes.

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