MBJ Solutions ‘backend’ module testing solution operates ‘sunny side down’ position

Facebook
Twitter
LinkedIn
Reddit
Email
All the traditional micro crack module inspection steps are performed ‘sunny side down’ to make integration into production lines easier. Image: MBJ Solutions

MBJ Solutions has introduced a new integrated ‘backend’ module testing system to provide greater production line operability for PV manufacturers. The MBJ backend solution combines the most important inspection tasks in one compact system: an A+A+A LED sun simulator, a hipot and grounding test and our proven EL inspection technology. All the inspection steps are performed sunny side down, which makes the integration into a production much easier than before.

Problem

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Micro cracks can progress over time and lead to a significant loss in module power. Providing PV manufacturers with a high-volume, accurate testing solutions in a small footprint is required to meet quality control requirements and the possibility of line integration to increase throughput and reduce the cost per-watt. 

Solution

The new backend solution combines the TÜV certified flasher technology from MBJ Service with a Hipot and grounding test with the proven EL technology from MBJ. Basis for the development of the A+A+A+ LED simulator was the TÜV Rheinland certified LED technology. The electroluminescence technology allows the visualization and detection of defects otherwise not visible by the human eye. This technology combined with a hipot and grounding test and the proven MBJ EL technology results in the fully automatic solution. Flash pulse duration up to 200ms, long term stability and long lifetime of the LED light source are the main pro arguments for the new LED sun simulator technology, compared to XENON technology. In addition low maintenance costs, the compact layout, and the ‘sunny side’ down transport are further benefits of the system.

Applications

All the traditional micro crack module inspection steps are performed ‘sunny side down’ to make integration into production lines easier.

Platform

The fully-automated inspection system includes all mandatory test procedures for the qualification of solar modules at the end of the production line. A LED A+A+A+ sun simulator, hipot and grounding test as well as a high resolution electroluminescence inspection system are combined to the MBJ Backend Solution.

Availability

June 2016 onwards.

7 October 2025
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 7-8 October 2025 is our third PV CellTech conference dedicated to the U.S. manufacturing sector. The events in 2023 and 2024 were a sell out success and 2025 will once again gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing in the U.S. out to 2030 and beyond.

Read Next

September 5, 2025
Scientists from Germany and Saudi Arabia have discovered that perovskite thin-film cells are compatible with current industry standard silicon solar cells, which they claim is a “crucial step toward the industrialisation of perovskite silicon tandem solar cells”.
September 2, 2025
The Fraunhofer Institute for Solar Energy Systems (ISE) will build a pilot solar cell line in Germany to support US manufacturer Talon PV’s efforts to establish solar cell capacity in the US.
August 27, 2025
Long-term procurement decisions from the US solar industry could support US solar manufacturing, regardless of changes to federal tax credits, PV Tech has heard.
August 26, 2025
US-based solar module manufacturer Bila Solar will include US-made steel module frames in its 550W dual-glass products.
August 21, 2025
JA Solar's CTO, Zi Ouyang, discusses the company's latest module technologies and why the future is tandem.
August 18, 2025
Australia’s sole PV producer Tindo Solar has launched a new range of n-type TOPCon modules aimed at rooftop applications.

Subscribe to Newsletter

Upcoming Events

Solar Media Events
September 16, 2025
Athens, Greece
Solar Media Events
September 30, 2025
Seattle, USA
Solar Media Events
October 1, 2025
London, UK
Solar Media Events
October 2, 2025
London,UK
Solar Media Events
October 7, 2025
Manila, Philippines