Appeal No. 2000-2060
Application 08/568,209
portion that functions as a channel (46b) of the transistor and
having a second portion that functions as a portion (46e) of the
heat transducer or the resistor. See Appellant’s specification,
page 5, lines 18, and 20, page 7, lines 13-14 and associated
figures 1 and 2E. The method comprises providing a substrate
(40), attaching to the substrate a transistor (32) and a resistor
(26) and inter-connecting the transistor with an uninterrupted
layer (46) of conductive material so that a first portion of the
layer functions as a channel (46b) of the transistor and a second
portion (46e) of the layer functions as the resistor. See
Appellant’s specification, page 6, lines 14-16, page 7, lines 3-
10 and 13-16 and associated figures 1 and 2E.
Independent claims 1 and 18 present in the application are
representative and reproduced as follows:
1. A drive head for a thermal ink-jet printhead device
comprising:
a transistor;
a heat transducer; and
a multi-functional layer having a first portion that
functions as a channel of the transistor and having a second
portion that functions as a portion of the heat transducer.
18. A method for fabricating a drive head for a thermal
ink-jet printhead device comprising the steps of:
providing a substrate;
2
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