Back to results
US 10,245,843 B2Granted
Thermal head and thermal printer
AssigneeKYOCERA Corporation
InventorYuuki Matsusaki
Life of this patent
Estimating the term…
Abstract
A thermal head of the disclosure includes a substrate; a heat generating section disposed on the substrate; an electrode disposed on the substrate, the electrode having a connecting portion connected to the heat generating section; and a protective layer which covers the heat generating section and the connecting portion of the electrode, a part of the protective layer which is disposed on the connecting portion having a closed first void therein.
Claims11
A thermal head, comprising:
- a substrate;
- a heat generating section disposed on the substrate;
- an electrode disposed on the substrate, the electrode comprising
- a connecting portion connected to the heat generating section;
- and
- a first protective layer which covers the heat generating section and the connecting portion of the electrode,
- a part of the first protective layer which is disposed on the connecting portion comprising
- a closed first void, the closed first void extending in a thickness direction of the substrate.
5 more elements
A thermal head comprising:
- a substrate;
- a heat generating section disposed on the substrate;
- an electrode disposed on the substrate, the electrode comprising
- a connecting portion connected to the heat generating section;
- and
- a first protective layer which covers the heat generating section and the connecting portion of the electrode,
- a part of the first protective layer which is disposed on the connecting portion comprising a closed first void therein and a closed second void which is spaced apart from the closed first void in a thickness direction of the substrate,
- a cross-sectional area of the closed second void larger than a cross-sectional area of the closed first void.
5 more elements
A thermal head, comprising:
- a substrate;
- a heat generating section disposed on the substrate;
- an electrode disposed on the substrate, the electrode comprising
- a connecting portion connected to the heat generating section;
- a first protective layer which covers the heat generating section and the connecting portion of the electrode;
- and
- a second protective layer disposed on the first protective layer, wherein
- the first protective layer is internally provided with the closed first void, and
- the second protective layer is internally provided with a closed third void.
6 more elements
Dependencies are inferred from the claim text.