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High-speed one-dimensional spatial light modulator for Laser Direct Imaging and other patterning applications

 
: Schmidt, Jan-Uwe; Dauderstädt, Ulrike; Dürr, Peter; Friedrichs, Martin; Hughes, Thomas; Ludewig, Thomas; Rudloff, Dirk; Schwaten, Tino; Trenkler, Daniela; Wagner, Michael; Wullinger, Ingo; Bergström, Andreas; Björnängen, Peter; Jonsson, Fredrik; Karlin, Tord; Rönnholm, Peter; Sandström, Torbjörn

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Piyawattanametha, W. (Ed.) ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
MOEMS and miniaturized systems XIII : 3 - 6 February 2014, San Francisco, California, United States
Bellingham, WA: SPIE, 2014 (Proceedings of SPIE 8977)
ISBN: 978-0-8194-9890-8
Paper 89770O
Conference "MOEMS and Miniaturized Systems" <13, 2014, San Francisco/Calif.>
English
Conference Paper
Fraunhofer IPMS ()
Laser Direct Imaging (LDI); Printed Circuit Boards (PCB); Spatial Light Modulator (SLM); Micro Mirror Array (MMA); gray-scale lithography; semiconductor packaging; semi-additive processing

Abstract
Fraunhofer IPMS has developed a one-dimensional high-speed spatial light modulator in cooperation with Micronic Mydata AB. This SLM is the core element of the Swedish company’s new LDI 5sp series of Laser-Direct-Imaging systems optimized for processing of advanced substrates for semiconductor packaging. This paper reports on design, technology, characterization and application results of the new SLM. With a resolution of 8192 pixels that can be modulated in the MHz range and the capability to generate intensity gray-levels instantly without time multiplexing, the SLM is applicable also in many other fields, wherever modulation of ultraviolet light needs to be combined with high throughput and high precision.

: http://publica.fraunhofer.de/documents/N-294207.html