COHU vs TTMI

Cohu Inc.

Cohu, Inc., through its subsidiaries, engages in the semiconductor test and inspection equipment, and printed circuit board (PCB) test equipment businesses in China, the United States, Taiwan, Malaysia, the Philippines, and internationally. It supplies semiconductor test and inspection handlers, micro-electromechanical system (MEMS) test modules, test contactors, thermal sub-systems, semiconductor automated test equipment, and bare board PCB test systems for semiconductor and electronics manufacturers, and test subcontractors. The company provides semiconductor automated test equipment for wafer level and device package testing; various test handlers, including pick-and-place, turret, gravity, strip, and MEMS and thermal sub-systems; interface products comprising test contactors, and probe heads and pins; spares and kits; bare board PCB test systems to test pre-assembly PCBs; various parts and labor warranties on test and handling systems, and instruments; and training on the maintenance and operation of its systems. It markets its products through direct sales force and independent sales representatives. The company was formerly known as Cohu Electronics, Inc. and changed its name to Cohu, Inc. in 1972. Cohu, Inc. was incorporated in 1947 and is headquartered in Poway, California.

TTM Technologies Inc.

TTM Technologies, Inc., together with its subsidiaries, manufactures and sells printed circuit boards (PCBs) worldwide. It operates PCB and RF&S Components segments. The company offers a range of PCB products, radio-frequency (RF) components, conventional PCBs, RF and microwave circuits, high density interconnect PCBs, substrate-like PCBs, flexible PCBs, rigid-flex PCBs, custom assemblies and system integration products, IC substrates, passive RF components, advanced ceramic RF components, multi-chip modules, and beamforming and switching networks. It also produces printed circuits with heavy copper cores, as well as embedded and press-fit coins; PCBs with electrically passive heat sinks; and PCBs with electrically active thermal cores. In addition, it offers various services, including design for manufacturability, PCB layout design, simulation and testing, and quick turnaround services. The company serves original equipment manufacturers and electronic manufacturing services companies that primarily serve aerospace and defense, computing, automotive components, medical, and industrial and instrumentation related products sectors. TTM Technologies, Inc. was incorporated in 1978 and is headquartered in Santa Ana, California.