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Printing of Electronic Nanoinks by Laser Forward Transfer

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Laser forward transfer processes are capable of directly generating patterns and structures of functional materials for the rapid prototyping of electronic, optical and sensor devices. These processes, also known as laser induced forward transfer or LIFT, offer unique advantages and capabilities for digital microfabrication. A key advantage of laser forward transfer techniques is their compatibility with a wide range of materials, surface chemistries and surface morphologies. These processes have been demonstrated in the fabrication of a variety of microelectronic elements such as interconnects, passives, antennas, sensors, power sources and embedded circuits. Overall, laser forward transfer is perhaps the most flexible digital microfabrication process available in terms of materials versatility, substrate compatibility and range of speed, scale and resolution. Recently, laser forward transfer of thin film-like structures with excellent lateral resolution and thickness uniformity using metallic nanoinks has been shown at NRL using a technique named laser decal transfer. The high degree of control in size and shape achievable with laser decal transfer has been applied to the digital microfabrication of 3-dimensional stacked assemblies and freestanding structures for MEMS applications. This paper will describe the unique advantages and capabilities of laser decal transfer of electronic nanoinks, discuss its applications and explore its role in the future of digital microfabrication.
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Document Type: Research Article

Publication date: 01 January 2010

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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