专利名称：Printer
发明人：KISHIMA KOICHIRO,FUKUDA TOSHIO申请号：US95291197申请日：19971117公开号：US6179410B1公开日：20010130
摘要：A printer comprising a printing head for discharging ink alone or ink and diluentaccording to the present invention employs a polyimide polymer at least around nozzleopening(s) on the nozzle opening side of the printing head so as to enable to form arecorded image of a high resolution as well as to enhance the productivity. It is
preferable that the polyimide polymer have a coefficient of water absorption as 0.4 (%)or below when dipped in water of 23 (°C.) for 24 hours. Furthermore, it is preferable thatthe printing head excluding the portion made from the polyimide polymer be made frompolysulfone, polyethersulfone, or a polyimide polymer having a coefficient of waterabsorption as 1.0 (%) or above when dipped in water of 23 (°C.) for 24 hours. Moreover, itis preferable that nozzles are formed by ablation processing using eximer laser.
申请人：SONY CORPORATION
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