In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices. The nozzle member also has formed on it conductive traces for supplying electrical signals to heating elements on a substrate mounted to...http://www.google.com.tw/patents/US5442384?utm_source=gb-gplus-share專利 US5442384 - Integrated nozzle member and tab circuit for inkjet printhead