Patent ID: 9744766
Date: 2017-08-29
CPC Classifications: B41J

Claim:
1. An inkjet print head comprising: a silicon substrate having a plurality of continuous slotted recesses in a first surface, the first surface having a first edge and an opposite second edge, the plurality of continuous slotted recesses being arranged in parallel along the first surface, spaced apart relation, and each continuous slotted recess extending continuously across all of the first surface from the first edge to the second edge, said silicon substrate also having a plurality of discontinuous slotted recesses in a second surface opposite the first surface and aligned and coupled in communication with the continuous slotted recesses to have a first portion defining a plurality of alternating through-wafer channels and a second portion defining residual slotted recess portions; and a dielectric material filling the residual slotted recess portions.