发明授权
US5595785A Orifice plate for an ink-jet pen 失效
喷墨笔孔板

Orifice plate for an ink-jet pen
摘要:
Selected portions of the orifice plate surfaces are formed to have wetting and non-wetting surface characteristics for minimizing the accumulation of residual ink on the outer surface of the plate and for enhancing the flow of supply ink to the orifices of the plate.
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