Profile: Bullen Ultrasonics, Inc. focuses on ultrasonic machining technology. We are a source for ultrasonic machining of hard & brittle materials. Our capabilities include ultrasonic machining, CNC machining, prototyping, lapping and polishing. We serve the semiconductor, aerospace and automotive industries. We specialize in working with many materials, such as silicon, glass, ceramics, CVD silicon carbide, quartz and sapphire.