Qcept Technologies Inc. has rung up $3.5 million — part of a $5 million planned capital raise, according to a Securities & Exchange Commission filing. The Atlanta-based company plays a critical role in the development of the tiny chips that power smart phones and computers. Qcept, backed by Imlay Investments, bills itself as the only company in the world that can inspect semiconductor wafers for nonvisual defects. Wafers get diced into chips that control a multitude of consumer electronics.…