OM&T | Moser Baer Technologies is investigating the approach of texturing glass up to Gen5 size (1.1 x 1.3 m 2 ) by nano-imprinting techniques. For the application of thin film silicon solar cells nano-imprinted 2D periodic gratings were successfully developed and tested as light trapping textures that can realize an increased solar cell efficiency and/or allow to reduce the thickness of the absorber layers. Reliable materials were found and compatibility of the nano-imprinted light management layers with solar module manufacturing processes was demonstrated. Scaling-up towards Gen5 size was realized by first moving from laboratory to Gen2 scale and to incorporate the findings into a processing line that can be used for the production of Gen5 size textured glass.

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Abstract.A small, versatile and bright emission source for line radiation has been developed. The source requires only a small rotary vacuum pump and a power supply of 1 kW; it employs a permanent magnet.The source emits neutral lines and singly ionised lines of several elements including noble gases (e.g. Ar I, II lines), superimposed on a weak free-bound and free-free continuum spectrum. The lines are only Doppler broadened, so the source can be used to determine Stark shifts in other high density plasmas.and argon are given.Results and characteristics of the source for hydrogen, neon

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