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Delmdahl

Photonik Feb2014.pdf

Photonik Feb2014.pdf

…substrate removal (laser lift-off). The sensitive circuit structures remain unchanged during the highly selective laser lift-off process. Ralph Delmdahl, Coherent LaserSystems GmbH & Co. KG, Göttingen, Germany Laser lift-off: reducing device heights in microelectronics by means of substrate…

Lasers-Enable-Smartphone-Manufacturing.pdf

Lasers-Enable-Smartphone-Manufacturing.pdf

…orientation and shape of the written pattern can even be varied on the fly as needed to maintain optimum registration. Lasers Enable Smartphone Manufacturing by Ralph Delmdahl and Torsten Rauch, Coherent Figure 1 - Schematic diagram showing the major components of LCD and OLED-based smartphones

EU Photonics Flexible Displays.pdf

EU Photonics Flexible Displays.pdf

…Weinheim Fabricating the Flexible Future How UV laser systems enable the transition from rigid to flexible in microelectronics manufacturing Ralph Delmdahl By leveraging the unparalleled pulsed UV-power of excimer lasers, gossamer-thin functional foils attached to rigid wafer- or panel-type carriers…

Industrial Laser Solutions - September/October 2015

Industrial Laser Solutions - September/October 2015

…in advanced packaging of microelectronics by enabling structuring processes that are greener while delivering superior results. DR. RALPH DELMDAHL (ralph.delmdahl@coherent. com) is a product marketing manager at Coherent Laser Systems GmbH, Göttingen, Germany, www.coherent. com, and MATTHEW…

Photonics Spectra - September 2016

Photonics Spectra - September 2016

…used in flat panel display and microelectronics manufacturing; email: rainer.paetzel@coherent.com. Ralph Delmdahl is product marketing manager for the Coherent Excimer Business Group. Delmdahl received his Ph.D. in physical chemistry from the Braunschweig University of Technology and his M.Sc. in…

ILS Annealing.PDF

…to meet today's demanding applications, promises to keep this powerful UV technology relevant for some time to come. RAINER PÄTZEL and RALPH DELMDAHL (ralph.delmdahl@coherent.com) are with Coherent, Santa Clara, CA; www.coherent.com. FIGURE 3. The main steps in the excimer Laser Lift-Off process.

Excimer laser technology trends

Excimer laser technology trends

…N, Min-Lee Y H, McLean W L and Croft M 1987 Appl. Phys. Lett. 51 619-21 [2] Delmdahl R 2010 Nature Photon. 4 286 [3] Krueger R R, Rabinowitz Y S and Binder P S 2010 J. Refract. Surg. 26 749-60 [4] Uhrmann T and Delmdahl R 2013 Solid State Technol. 56 18-20 [5] Paetzel R, Turk B, Brune J, Govorkov…

LLO WavelengthAdvantage.pdf

LLO WavelengthAdvantage.pdf

…number of scans required for covering the entire panel. Ralph Delmdahl, Rainer Pätzel and Jan Brune The authors are with Coherent LaserSystems GmbH & Co. KG, HansBöckler-Str. 12, 37079 Göttingen, Germany Contact: Dr Ralph Delmdahl E: ralph.delmdahl@coherent.com W: www.coherent.com This edited…

Untitled-1

Untitled-1

…making it a consistent and stable process that is well-suited for volume production applications and repair work. Ralph Delmdahl and Frank Gäbler Contact: Ralph Delmdahl E: ralph.delmdahl@coherent.com W: www.coherent.com Excimer lasers clean CFRPs for optimised adhesive bonding Figure 1: SEM…

CMM 8.2.indd

CMM 8.2.indd

…Packaging -- AS FEATURES GET SMALLER, THE ROLE FOR LASERS GETS LARGER MEMS | ARTICLE DIRK MÜLLER, MICROELECTRONICS AND SOLAR MARKET SEGMENT MANAGER, RALPH DELMDAHL, PRODUCT MARKETING MANAGER, AND STEPHEN LEE MANAGER, ASIA APPLICATIONS > 40 | Commercial Micro Manufacturing International VOL 8 NO.2

Excimer LLO 2014.pdf

Excimer LLO 2014.pdf

4 R. Delmdahl et al. Figure 6. PI-coated glass substrate delaminated via LLO at 308 nm. PI film was easily and cleanly delaminated without the need for any post-processing. The lift-off performance and process quality depended first and foremost on the employed energy density. For line beam fluences…

Excimer laser technology trends

Excimer laser technology trends

J. Phys. D: Appl. Phys. 47 (2014) 034004 R Delmdahl and R P¨atzel Figure 8. Stabilized energy operation at 1 J pulse energy using a single gas fill over 41 h. Figure 9. Pulse-to-pulse stability versus pulse count and repetition rate measured within a gas fill run. achieved, the deposited volume per…

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