DETAILED ACTION
Claim Objections
Claim 10 is objected to because of the following informalities: “the lower surfaces of each of the first and second electrode” lacks antecedent basis. Appropriate correction is required.
Claim Rejections - 35 USC § 103
The following is a quotation of pre-AIA 35 U.S.C. 103(a) which forms the basis for all obviousness rejections set forth in this Office action:
(a) A patent may not be obtained though the invention is not identically disclosed or described as set forth in section 102, if the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious at the time the invention was made to a person having ordinary skill in the art to which said subject matter pertains. Patentability shall not be negated by the manner in which the invention was made.
Claims 1, 4, 5, 7, 8 and 10 are rejected under pre-AIA 35 U.S.C. 103(a) as being unpatentable over Li et al. (2021/0001640) in view of Ohnishi et al. (7,267,840).
Regarding claim 1, Li teaches a thermal head comprising:
a substrate (fig. 1, item 100);
electrodes (fig. 1, items 300/312) located on the substrate and extending along a first direction (fig. 1A, horizontal on page) of the substrate; and
a resistor layer (fig. 1, item 500) located on the substrate and on the electrode (see fig. 1);
the electrodes are between the substrate and the resistor layer such that each electrode has a surface consisting of an upper surface in direct contact with the resistor layer and a lower surface in direct contact with the substrate (see fig. 1),
wherein the electrodes comprise a first electrode (fig. 1, highest electrode 312 on page) and a second electrode (fig. 1, electrode 312 just below first electrode on page) arranged at a predetermined interval in a second direction (fig. 1, interval between electrodes 312 in vertical direction on page) intersecting the first direction.
Li does not teach wherein
the upper surface of
the lower surface of the at least one of the first electrode and the second electrode has a second end portion; and
the first end portion protrudes farther in the second direction than the second end portion. Ohnishi teaches this (Ohnishi, see fig. 6, Note that the prior art electrode 75 has same shape as the elected embodiment according to Figure 10 of the immediate application. Note also that, as previously explained, the recitation of terms “central portion” and “end portion” are broad enough to support any number of readings of the claims. That is, a “portion” of an electrode of any number of different shapes could be said to constitute a “central portion” or an “end portion” while other parts of the electrode could simply be ignored in the interpretation). It would have been obvious to one of ordinary skill in the art at the time of invention to use the electrode structure disclosed by Ohnishi in the device disclosed by Li because doing so would amount to combining prior art teachings according to known methods to obtain predictable results. In other words, because Li does not go into detail about how exactly its electrodes are formed, it would have been obvious to one of skill in the art to look to Ohnishi for such a teaching.
Upon application of the electrodes of Li in the manner disclosed by Ohnishi, all of the claimed limitations would be met.
Regarding claim 4, Li in view of Ohnishi teaches the thermal head according to claim 1, wherein in the at least one of the first electrode and the second electrode, a thickness of the resistor layer located on a central portion along the second direction is smaller than a thickness of the resistor layer located on an end portion along the second direction (Note that, upon applying the shape of the electrode disclosed by Ohnishi to the electrodes disclosed by Li, the resultant structure would meet the limitation).
Regarding claim 5, Li in view of Ohnishi teaches the thermal head according to claim 1, wherein an unevenness of an interface between the upper surface of the at least one of the first electrode and the second electrode and the resistor layer is larger than an unevenness of an interface between the resistor layer and the substrate (Note that, upon applying the shape of the electrode disclosed by Ohnishi to the electrodes disclosed by Li, the resultant structure would meet the limitation. Also note that “unevenness” has not been defined and could mean any number of things).
Regarding claim 7, Li in view of Ohnishi teaches the thermal head according to claim 1, wherein the substrate has a heat storage layer (Li, fig. 2, layer 200) on at least a part of an upper surface (Li, fig. 2, note that heat storing layer 200 is on upper surface of substrate 100); and the electrodes and the resistor layer are located on the heat storage layer (Li, see fig. 2).
Regarding claim 8, Li in view of Ohnishi teaches a thermal printer (Li, fig. 6, item 200), comprising: the thermal head (Li, fig. 6, item 100) described in claim 1; a transport mechanism (Li, fig. 6, item 60) configured to transport a recording medium onto a heat generating part located on the substrate; and a platen roller (Li, fig. 6, item 50) configured to press the recording medium onto the heat generating part (Li, fig. 6).
Regarding claim 10, Li in view of Ohnishi teaches the thermal head according to claim 1, wherein the lower surface of each of the first electrode and the second electrode is in contact with the head storage layer (Li, fig. 2, Note that all electrodes 300 have lower surfaces in contact with heat storage layer 200).
Response to Arguments
Applicant’s arguments have been fully considered and are persuasive. Therefore, the rejection has been withdrawn. However, upon further consideration, a new ground(s) of rejection is made in view of Ohnishi.
Conclusion
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/ALEJANDRO VALENCIA/Primary Examiner, Art Unit 2853