| 摘要 |
An ink-jet recording head formed from a base and a vibrating plate attached to the base with the surfaces therebetween defining a plurality of ink passageways terminating in a nozzle at one end of the head is provided. The base and the plate are both formed from a synthetic resin with the surfaces activated by a surface treatment to increase the polar groups and unsaturated bonds to increase the wetting property. Surface treatment includes treating with a K2Cr2O7-H2SO4 or H2SO4-SO3 solution, SO3 gas, ultraviolet rays, plasma, corona discharge, electron beam, or flame. A process for making the head is also disclosed.
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