Thermal head and printer
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United States of America Patent
Stats
-
Nov 30, 2010
Grant Date -
Jun 19, 2008
app pub date -
Mar 6, 2007
filing date -
Mar 17, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermal head includes a head containing a glass layer. The glass layer has a projecting portion on one surface and a concave groove on the other surface at a position opposed to the projecting portion. The head further contains a heating resistor disposed on the projecting portion, and a pair of electrodes disposed on both sides of the heating resistor. The thermal head further includes a rigid substrate on which a control circuit for the head is provided, and a flexible substrate for electrically connecting the head and the rigid substrate.
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