THERMAL PRINTING HEAD WITH DIFFUSED PRINTING ELEMENTS
United States Patent 3515850
US Patent References:
Passive information displays
- - 3323241
Method for encapsulating semiconductors
- - 3170813
Hermetic seal for planar transistors and method
- - 3350222
Objects provided with protective coverings
- - 3415680
Passive information displays
- - 3323241
Method for encapsulating semiconductors
- - 3170813
Hermetic seal for planar transistors and method
- - 3350222
Objects provided with protective coverings
- - 3415680
Inventors:
Cady Jr., Richard C.
Publication Date:
06/02/1970
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Export Citation:
Assignee:
NCR CO
Primary Class:
Other Classes:
178/94, 219/543, 178/30, 347/203, 148/DIG.053, 257/470, 257/926, 219/480, 257/506, 148/DIG.150
International Classes:
B41J2/34; H05B3/02; H04L15/34; G01D15/10