International United Technology Company, Ltd.

Chih-Shun Chuang

Yuan-Liang Lan

Chao-Cheng Lan

An inkjet chip including a substrate, a plurality of control elements, an insulating layer, a plurality of first conductive patterns, a plurality of second conductive patterns and a plurality of heaters is provided. The insulating layer is disposed on the control element and has a plurality of openings. The openings each have a first length in a first direction. Each first conductive pattern has a first sidewall overlapping one of the openings and is electrically connected between one of the control elements and one of the heaters. Each second conductive pattern has a second sidewall overlapping the one of the openings and is electrically connected to one of the heaters. A distance in the first direction is included between the first sidewall and the second sidewall opposing to each other. The distance is less than the first length. A thermal bubble inkjet printhead adopting the inkjet chip is also provided.

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Hsinchu, Taiwan

Chih-Shun Chuang