| 摘要 |
A thermal display comprising an array of semiconductor heater mesas having a larger cross-sectional area at the display surface than at the support surface. The preferred structure is in the shape of a truncated, inverted pyramid. The novel method includes forming the inverted heater elements by etching trenches in one surface of the semiconductor substrate and forming the heater mesas at the opposite surface, with the trenches defining the individual mesas.
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