LIQUID EJECTION HEAD
PROBLEM TO BE SOLVED: To provide a highly reliable high quality liquid ejection head in which degradation due to ejected liquid is prevented at a joint. SOLUTION: In a liquid ejection head comprising a body plate in which recesses are formed, and a nozzle plate having nozzles communicating, respecti...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a highly reliable high quality liquid ejection head in which degradation due to ejected liquid is prevented at a joint. SOLUTION: In a liquid ejection head comprising a body plate in which recesses are formed, and a nozzle plate having nozzles communicating, respectively, with cavities formed by covering the recesses in the body plate and ejecting droplets from ejection holes, the nozzle plate composed of SiO2and having a flat surface provided with the ejection holes and a borosilicate glass layer containing movable ions formed on the surface covering the body plate is bonded to the body plate composed of Si not through adhesive. COPYRIGHT: (C)2007,JPO&INPIT |
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