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Thermal print head
The utility model relates to a thermal print head. It includes ceramic substrates, printed circuit boards, and the like. A common electrode and individual electrodes are provided on the ceramic substrate. Some of the common electrodes are connected to the printed circuit board (power supply common electrode). The width W of the power supply common electrode is: 22.4 μm<W≤44 μm. Local individual electrodes and common electrodes have uneven line widths and spacings. This kind of print head is small in size and clear in printing, and can be widely used in the fields of fax machines, commercial cash registers, medical devices, bar code printers, and computer terminal printing equipment.