New Laser Material Processing System For Drilling Of Wafer-Based Solar Cells In The Photovoltaic Industry
With the development of the JENOPTIK-VOTAN Solas 1800 Jenoptik is expanding its activities in the photovoltaic market, combining laser technology know-how in all aspects of the JenLas disk IR50 disk laser with complex system technology. Based on its expertise along the entire added value chain—from laser process through to finished production facility for a wide range of laser material processing tasks—the Jenoptik Lasers & Material Processing division developed a laser processing machine for drilling minute through holes in wafers for solar cells.
One of the crucial factors in the photovoltaic industry is the so-called grid parity, a comparison of costs of generating electricity via solar energy via conventional methods. Achieving grid parity requires either an increased level of efficiency or a reduction in the production costs. The JENOPTIK-VOTAN Solas 1800 laser system can have a positive influence on both factors. The electrical efficiency of the cells can be increased through the use of Metal Wrap Through (MWT) or Emitter Wrap Through (EWT) technology. In order to increase the active surface area of the cells, in the case of both technologies the contacts are laid from the front to the rear side of the cell. The contact finger that are currently used as standard and covers parts of the active surface area can therefore be dispensed. The JENOPTIK-VOTAN Solas1800 will be offered in two versions, a stand-alone system for the development of new products and processes and a technology module for integration into the existing in-line production system.
About the Jenoptik Lasers & Material Processing division
Jenoptik's Lasers & Material Processing division makes it one of the leading providers of laser
technology—from component through to complete system. The increased productivity from which
our customers benefit is the key factor in the use of Jenoptik laser technology.
In the area of laser technology, the division has specialized in high-quality semiconductor materials and reliable diode lasers as well as innovative solid-state lasers such as for example disk and fiber lasers. In the area of high-power diode lasers Jenoptik is acknowledged worldwide as a leader in quality.
Lasers are developed as components and system for our customers' applications and integrated into material processing systems through the development in close collaboration with the customer as well as optimization and automation of the processes. These systems enable our customers to work with plastics, metals, glass, ceramics, semiconductor materials and solar cells, both in thin film as well as wafer technology, with maximum efficiency, precision and safety. As such, Jenoptik has control over the entire added value chain for laser material processing in the form of development, manufacture and sales and is a reliable global partner for the customer.
The division comprises the two diode laser companies JENOPTIK Diode Lab GmbH and JENOPTIK Laserdiode GmbH, the Laser Systems business unit of JENOPTIK Laser, Optik, Systeme GmbH as well as INNOVAVENT GmbH and JENOPTIK Automatisierungstechnik GmbH.
SOURCE: Jenoptik