Title
Micron-scale copper wires printed using femtosecond laser-induced forward transfer with automated donor replenishment
Author
Grant-Jacob, J.A.
Mills, B.
Feinaeugle, M.
Sones, C.L.
Oosterhuis, G.
Hoppenbrouwers, M.B.
Eason, R.W.
Publication year
2013
Abstract
We demonstrate the use of laser-induced forward transfer (LIFT) in combination with a novel donor replenishment scheme to print continuous copper wires. Wires of mm length, a few microns wide and submicron in height have been printed using a 800 nm, 1 kHz repetition rate, 150 fs pulsed laser. A 120 nm thick copper donor was used along with laser pulse energy densities of 0.16-0.21 J cm−2 to print overlapping few-micron sized pads to form the millimeter long wires. The wires have a measured resistivity of 17 ± 4 times that of bulk copper.
Subject
Mechatronics, Mechanics & Materials
EAM - Equipment for Additive Manufacturing HOL - Holst
TS - Technical Sciences
High Tech Systems & Materials
Materials
Industrial Innovation
Ultrafast lasers
Microstructure fabrication
Nanostructure fabrication
Optical fabrication
Laser materials processing
To reference this document use:
http://resolver.tudelft.nl/uuid:64a4cfa0-7b1f-408e-986c-9aec8f780a58
DOI
https://doi.org/10.1364/ome.3.000747
TNO identifier
518252
Publisher
Optical Society of America
Source
Optical Materials Express
Document type
article