The optical module comprises a substrate consisting of single member. This substrate can mount an optical fiber, a ferrule, and a semiconductor optical device. The substrate has first, second, and third regions successively arranged along a predetermined axis. The substrate also has a ferrule support...http://www.google.com.au/patents/US6263137?utm_source=gb-gplus-sharePatent US6263137 - Optical module substrate, optical module, and method of manufacturing optical module
