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Found 2 essays matching the above criteria.

1. 1. Advanced rear contact design for CIGS solar cells

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Jorge Alexandre De Abreu Mafalda; [2019]
   Keywords : CIGS; HfO2; surface passivation; alkali treatment; point contact openings; SCAPS;

   Abstract : The current trend concerning the thinning of solar cell devices is mainly motivated by economic aspects, such as the cost of the used rare-earth elements, and by the requirements of emergent technologies. The introduction of ultra-thin absorber layers results in a reduction of used materials and thus contributes to a more cost-effective and time-efficient production process. READ MORE

3. 2. Angular positioning of a door or window - using a MEMS accelerometer and a magnetometer

   University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

   Author : Josefin Voigt; [2015]
   Keywords : Technology and Engineering;

   Abstract : The accurate and reliable detection of opening of doors and windows is vital for home security applications. This master thesis aims to present a way to achieve this using a low-cost and low-power ecompass, containing a MEMS accelerometer and a magnetometer. READ MORE