A group of investors has acquired Salvador Imaging Inc. of Colorado Springs, Colo. Led by David Gardner, Salvador’s founder and current president, the group purchased 100 percent of the outstanding shares of the company from Photon Dynamics Inc. of San Jose, Calif. The terms of the agreement were not announced. Photon Dynamics recently was acquired by Orbotech Ltd. of Yavne, Israel, for almost $290 million.