Time to Yield

BT Imaging: Making the most money from quasi-mono wafers

August 25th, 2012

BT Imaging recently launched new tools that are claimed to optimize the revenue generation from quasi-mono wafer production. PV Tech talked to Wayne McMillan VP, Sales & Marketing at BT Imaging to understand why the current industry practice of manually sorting wafers based on the fraction of mono-crystalline area in a wafer is inefficient and [...]

The Cast Mono Dilemma

May 10th, 2012

Several leading manufacturers are building out GW scale capacity or converting their existing multi-crystalline capacity to mono-like or cast mono wafers. This appears to make sense since, as the name states, this technology offers CZ-mono-like appearance and performance with multi-like cost. However, things may not always be as they appear. This article examines the problems, [...]

Grading Wafers Key to High Cell Efficiency

February 14th, 2012

A rigorous grading system goes a long way in optimizing solar cell wafers to get the best efficiency.

New Techniques to Increase PV Product Quality

May 25th, 2011

With cell lines now running above 2000 cells per hour, maintaining product quality depends on fast troubleshooting and fixing of such issues.