Multi-chip print head
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United States of America Patent
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Oct 9, 2018
Grant Date -
Jun 8, 2017
app pub date -
Feb 13, 2017
filing date -
Aug 26, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A print head includes a plurality of chip-like tiles arranged on a common substrate, each tile having a front face with an array of recording elements disposed in the front face in a predetermined pattern, and a generally rectangular contour with a cut-out formed at at least one of its four corners, each cut-out being delimited by two reference-defining walls extending normal to one another and to the front face and serving as a reference for positioning the tiles on the substrate so as to establish a predetermined positional relationship between the recording elements of the different tiles. The substrate has a plurality of recesses accommodating each at least a part of a tile and having side walls that define engagement surfaces for each of the reference-defining walls of each tile, the substrate is formed of a material that is suitable for photo-lithographic processing, and the engagement surfaces of the substrate are surfaces formed by photo-lithographic techniques.
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