Quantity twelve (12) four inch (4") Gallium Arsenide (GaAs) Quantum Well Infrared Photodetector (QWIP) Wafers (Item Number: ARL-QWIP-DualBand-RQ3) | | W911QX-17-T-0149 | Department of the Army Materiel Command Army Contracting Command Aberdeen Proving Ground | Award Notice 1/1 | 5/10/17, 3:35 PM |