June, 2021
www.us-tech.com
Page 67
3D Micro Assembly Precision Welding from nanosystec
GROSS-UMSTADT, Germany — With up to six degrees of freedom and long-travel linear motor axes with encoders for position read-
in a field of 3.9 x 3.9 in. (100 x 100 mm) by a x/y scanner within milliseconds. Modern fiber laser sources
offer up to 500W cw power and create a weld seam down to 20 µm in width. In pulsed mode, such lasers provide high peak powers and allow for keyhole welding. Alternatively, lamp- pumped Nd:YAG laser with puls- es in the millisecond regime allow for high flexibility. As low as 100 µm spot diame-
ter can be achieved. Automated machine vision utilizes the images from the weld optics and external cameras for motion control pur- poses, such as seam tracking. Device-specific machine vision algorithms reduce the processing time to a minimum. VersaWeld works as a single station or can be integrated into production lines. Trays for single or multiple
devices sets, belts and feeders present the parts for processing and allow for the exchange with
other workstations in the line. In addition, VersaWeld controls robots for device loading. Quick- release toolings provide the flexi- bility to process different work- pieces and reduce set up time when changing from one process
to the next. Contact: nanosystec GmbH,
Marie-Curie-Strasse 6, 64823
Gross-Umstadt, Germany % +49-6078-782540 E-mail:
sales@nanosystec.com Web:
www.nanosystec.com
VersaWeld laser welding system.
out, the precision laser welding station VersaWeld complies with complex welding geometries. As an additional option, the laser beam is deviated to any position
Picosun Improves LED Production
Efficiency RICHARDSON, TX — Picosun Group has significantly in - creased the production efficiency of its LED and OLED products with its P-300BV ALD system. Recent tests show that a reduced ALD process cycle time and an increased number of wafers deposited with the same film thickness resulted in almost 100 percent greater throughput. A throughput of over 20,000
wafers per month can be reached with a wafer batch of 100 wafers. At the same time, the process quality in terms of film thickness uniformity has remained excel- lent when measured within wafer, wafer-to-wafer as well as batch-to-batch. Global LED and OLED
manufacturers use ALD in their production to achieve better device performance and longer product lifetimes. This is a result of thin, conformal, uniform, and pinhole-free material
layers
deposited by ALD for passivation and moisture protection as well as for creating buffer and inter-
face layers. Contact: Picosun USA, LLC, 1651 N Collins Boulevard, Suite
224, Richardson, TX 75080 % +358-50-436-7177 E-mail:
mikko.matvejeff@
picosum.com Web:
www.picosun.com
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