نتایج جستجو برای: electroforming

تعداد نتایج: 244  

Journal: :Transactions of The Institute of Metal Finishing 2021

Electrochemical forming (or electroforming), is gaining recognition as an additive and sustainable manufacturing process. Electroforming could shape part of the fourth industrial revolution through thoughtful systematic modelling. For this to be useful, efficient simulation electroforming process in 4.0 era should used a tool design, test propose optimised processes. Emphasis put on building mo...

2008
Olga V. Makarova Guohua Yang Cha-Mei Tang

Creatv MicroTech has developed unique fabrication techniques to make high precision, high-aspectratio metal microstructures to custom specifications. A lithography based fabrication method permits precise fabrication of various microstructures. Collimators and antiscatter grids with continuous, smooth, thin, parallel or focused septa have been fabricated using deep X-ray and optical lithography...

2001
Ron Parkinson

The material presented in this publication has been prepared for the general information of the reader and should not be used or relied on for specific applications without first securing competent advice. The Nickel Development Institute, its members, staff and consultants do not represent or warrant its suitability for any general or specific use and assume no liability or responsibility of a...

Journal: :Advances in industrial and manufacturing engineering 2021

Electroforming on additively manufactured templates has the potential to become a manufacturing process for making complex metal parts in flexible and economical way. However, main challenge of electroforming is high surface roughness when deposition thickness increases (thickness ​> ​100 ​μm), due current density edges co-deposition impurities while electroforming. In this work, hybrid electro...

Journal: :Journal of the Japan Society for Precision Engineering 2017

Journal: :Journal of vacuum science and technology 2022

The stabilization of the threshold switching characteristics memristive NbOx is examined as a function sample growth and device characteristics. Sub-stoichiometric Nb2O5 was deposited via magnetron sputtering patterned in nanoscale (50×50–170×170nm2) W/Ir/NbOx/TiN devices microscale (2×2–15×15μm2) crossbar Au/Ru/NbOx/Pt devices. Annealing at 700 °C removed need for electroforming smallest showe...

Journal: :Nanoscale 2013
Francesco Borgatti Chanwoo Park Anja Herpers Francesco Offi Ricardo Egoavil Yoshiyuki Yamashita Anli Yang Masaaki Kobata Keisuke Kobayashi Jo Verbeeck Giancarlo Panaccione Regina Dittmann

We have investigated the role of the electroforming process in the establishment of resistive switching behaviour for Pt/Ti/Pr0.5Ca0.5MnO3/SrRuO3 layered heterostructures (Pt/Ti/PCMO/SRO) acting as non-volatile Resistance Random Access Memories (RRAMs). Electron spectroscopy measurements demonstrate that the higher resistance state resulting from electroforming of as-prepared devices is strictl...

2013
Seul Ji Song Jun Yeong Seok Jung Ho Yoon Kyung Min Kim Gun Hwan Kim Min Hwan Lee Cheol Seong Hwang

Unipolar resistance switching (RS) in TiO2 thin films originates from the repeated formation and rupture of the Magnéli phase conducting filaments through repeated nano-scale phase transitions. By applying the Johnson-Mehl-Avrami (JMA) type kinetic model to the careful analysis on the evolution of transient current in a pulse-switching, it was possible to elucidate the material specific evoluti...

2012
E. Kyriakides S. Carrara G. De Micheli J. Georgiou

In the past, tantalum oxide devices have been used to create non-volatile digital memories, whilst neglecting the analogue memristive characteristics of such devices. In this Letter, it is shown that these devices can provide a low-cost, low-power solution for hemi-memristive devices, when used in their pre-formed, memristive region, whilst being fully CMOS compatible. Furthermore, measurements...

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