Roth & Rau AG, a member of the Meyer Burger Technology Group (SIX Swiss Exchange: MBTN) has developed new technology for its “CAMiNI” firing furnace which sets new standards in terms of temperature stability and repeatability. The CAMiNI has also successfully qualified for use in mass production processes.
A major Taiwanese cell manufacturer deployed the CAMiNI furnace for the first time in its production lines. By the end of the qualification stage, involving a 1,000,000 wafer endurance trial, the manufacturer reported better process results than those achieved with competitor products. This success is due above all to the technologies newly developed for CAMiNI, which enable processes to be adapted flexibly to different cell types and which set new standards in terms of temperature stability and repeatability.
Alongside its maintenance-free ceramic roller transport system, the integrated drier system within CAMiNI enables users to significantly shorten the processes involved. Based on the results achieved, the conclusions drawn by the first CAMiNI customer were especially positive. On the one hand, the company achieved maximum cell efficiency rates of up to 19.14% during the qualification stage (average: 19.0%), while at the same time significantly reducing energy consumption (approx. 50%) and reporting extremely low breakage rates. On the other hand, it was possible to avoid negative effects, such as metal contamination and reverse side effects. Roth & Rau has thus proven that the new furnace can be deployed in mass production in spite of its exceptionally compact construction and that it is able to achieve better results than significantly larger furnaces. In the longer term, this furnace should enable customers not only to achieve efficiency enhancements, but above all to generate substantial operating cost savings.
During the firing process, the contact lines printed on the solar cell are burnt in and thus connected with internal emitters, enabling electricity to be conducted out of the cell.
As a product which is especially suited for implementation within existing production lines, the CAMiNI firing furnace further strengthens the Meyer Burger Group’s innovative system offering in photovoltaic technology.
Additional information:
Mario Schubert
Head of PR & Communications
Roth & Rau AG
Tel.: +49 (0) 3723/671-3340
mario.schubert@roth-rau.de
Werner Buchholz
Head of Corporate Communications
Meyer Burger Technology Ltd
Tel: +41 33 221 25 06
werner.buchholz@meyerburger.com
About Meyer Burger Technology Ltd
www.meyerburger.com
Meyer Burger Technology Ltd is a leading global technology group. With its innovative systems and production equipment, Meyer Burger creates sustainable added value for customers in photovoltaics (solar industry), in the semiconductor and optoelectronic industries as well as other selected industries which focus on semiconductor materials. The Group currently employs more than 2,500 people across three continents. In its core business – photovoltaics – customers rely on comprehensive solutions and complementary technologies along the entire value chain including the manufacturing processes for wafers, solar cells, solar modules and solar systems.
The Group’s core competences encompass a broad range of production processes, machines and systems that are used for the production of ultra-thin, high quality wafers, for the inspection and measurement of solar cells, for laminating, soldering and testing of solar modules and for building-integrated solar systems. With the acquisition of Roth & Rau AG, with its cutting-edge products and technologies for the next generation of crystalline silicon solar cells, Meyer Burger Group is further expanding its market leadership along the entire photovoltaic value chain.
Meyer Burger Group is a full line system provider who covers all of the most important technology elements along the photovoltaic value chain from crystalline silicon to complete solar systems. A worldwide service network including spare parts, consumables, re-grooving services, process know-how, customer support, after-sales services, training and other services completes the comprehensive product portfolio. Meyer Burger Group is represented in Europe, Asia and North America in the respective key markets and has subsidiaries and own service centres in China, Germany, India, Japan, Korea, the Netherlands, Norway, Switzerland, Singapore, Spain, Taiwan and the USA. The company relies on selected independent agents in other important markets. The registered shares of Meyer Burger Technology Ltd are listed on the SIX Swiss Exchange (Ticker: MBTN).
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