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公开(公告)号：US20210001641A1
公开(公告)日：2021-01-07
申请号：US16911293
申请日：2020-06-24
Applicant: Rohm Co., Ltd.
Inventor： Goro NAKATANI , Akira FUJITA , Kazuya NAKAKUBO , Yasuhiro FUWA
Abstract: A thermal printhead includes a substrate, a protrusion formed on an obverse surface of the substrate and extending in a main scanning direction, a heat storage layer formed on a top surface of the protrusion, and a plurality of heat-generating parts arranged along the main scanning direction on the heat storage layer. The substrate and the protrusion are integrally formed from a single-crystal semiconductor.
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