Centennial, Colorado [RenewableEnergyAccess.com] For a limited time, ProtoFlex Corporation is offering quantum efficiency and transmission measurements of solar cells free of charge. The measurements will be conducted using ProtoFlex’s QE 1400 Quantum Efficiency Measurement System. The QE 1400 measures quantum efficiency and transmission of solar cells over a wavelength range of 350 nanometers (nm) to 1400 nm. ProtoFlex is offering one free measurement report (for one solar cell) per customer through May 25, 2007. Reports are available in electronic media and hard copy. Additional cells may be measured on a fee basis.