Results 11 to 20 of about 816,445 (307)

Simplified Production of Large Prototypes using Visible Slicing [PDF]

open access: yes, 2005
Rapid Prototyping (RP) is a totally automatic generative manufacturing technique based on a “divide-and-conquer” strategy called ‘slicing’. Simple slicing used on 2.5-axis kinematics of the existing RP machines is responsible for the staircase error ...
Dwivedi, Rajeev   +5 more
core   +1 more source

Modeling and Verification of Error Propagation in Integrated Additive/Subtractive Multi-Directional Direct Manufacturing [PDF]

open access: yes, 2006
Integrated additive-subtractive manufacturing, when applied in the framework of SolidFreeform-Fabrication (SFF) allows the fabrication of functional parts on single platform, directly from its computer model.
Dwivedi, Rajeev   +2 more
core   +1 more source

Mid-spatial frequency error generation mechanisms and prevention strategies for the grinding process

open access: yesJournal of the European Optical Society-Rapid Publications, 2020
The research presented in this paper is focused on the link between manufacturing parameters and the resulting mid-spatial frequency error in the manufacturing process of precision optics.
Mario Pohl   +3 more
doaj   +1 more source

A Novel 2D Micro-Displacement Measurement Method Based on the Elliptical Paraboloid

open access: yesApplied Sciences, 2019
The micro-displacement measurement system with 2D/3D has become increasingly important in the field of scientific research and technology application. In order to explore the application of an optical surface in micro-displacement measurement, a novel ...
Zekui Lv   +7 more
doaj   +1 more source

Integrated silicon qubit platform with single-spin addressability, exchange control and robust single-shot singlet-triplet readout [PDF]

open access: yes, 2017
Silicon quantum dot spin qubits provide a promising platform for large-scale quantum computation because of their compatibility with conventional CMOS manufacturing and the long coherence times accessible using $^{28}$Si enriched material.
A. Laucht   +13 more
core   +3 more sources

Numerical modelling and simulation in sheet metal forming [PDF]

open access: yes, 2004
The application of numerical modelling and simulation in manufacturing technologies is looking back over about a 20–30 years history. In recent years, the role of modelling and simulation in engineering and in manufacturing industry has been continuously
Altan   +8 more
core   +1 more source

Experimental verification of application possibility for cable network including compression members

open access: yesNihon Kikai Gakkai ronbunshu, 2018
In order to achieve advanced missions, it is necessary to develop satellite with large aperture reflectors. Tension truss structure is effective for reducing the weight of the antenna.
Yuichiro TAKANO   +3 more
doaj   +1 more source

Equalization of multi-Gb/s chip-to-chip interconnects affected by manufacturing tolerances [PDF]

open access: yes, 2017
Electrical chip-to-chip interconnects suffer from considerable intersymbol interference at multi-Gb/s data rates, due to the frequency-dependent attenuation.
Bailleul, Jelle   +4 more
core   +2 more sources

Fabrication, Experiments, and Analysis of an LBM Additive-Manufactured Flexure Parallel Mechanism

open access: yesMicromachines, 2018
Additive manufacturing technology has advantages for realizing complex monolithic structures, providing huge potential for developing advanced flexure mechanisms for precision manipulation.
Huaxian Wei   +4 more
doaj   +1 more source

Designing Highly Precise Overlay Targets for Asymmetric Sidewall Structures Using Quasi-Periodic Line Widths and Finite-Difference Time-Domain Simulation

open access: yesSensors, 2023
The present study introduces an optimized overlay target design to minimize the overlay error caused by asymmetric sidewall structures in semiconductor manufacturing.
Hung-Chih Hsieh   +2 more
doaj   +1 more source

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