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US 12,097,715 B2Granted
Thermal head and thermal printer
AssigneeKYOCERA Corporation
InventorsKenichi Kato, Makoto Miyamoto
Life of this patent
Estimating the term…
Abstract
A thermal head includes a substrate, a bonding material, an electrically conductive member, and a gold electrode. The bonding material is located on the substrate and contains gold and tin. The electrically conductive member is located on the bonding material. The gold electrode is located on the substrate and electrically connected to the bonding material.
Claims20
A thermal head, comprising:
- a substrate;
- a bonding material located on the substrate and containing gold and tin;
- an electrically conductive member located on the bonding material;
- and
- a gold electrode located on the substrate and electrically connected to the bonding material, wherein
- the substrate comprises a plurality of protruding portions facing the gold electrode and the bonding material, and
- the bonding material comprises a recessed portion at a periphery of each of the plurality of protruding portions.
4 more elements
A thermal head, comprising:
- a substrate;
- a bonding material located on the substrate and containing gold and tin;
- an electrically conductive member located on the bonding material;
- and
- a gold electrode located on the substrate and electrically connected to the bonding material, wherein
- the substrate comprises a plurality of recessed portions facing the gold electrode and the bonding material, and
- the bonding material comprises a protruding portion in each of the plurality of recessed portions.
4 more elements
Dependencies are inferred from the claim text.