Bonding agent composition containing conductive filler and method of bonding electrode to printed conductive trace with same
First Claim
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1. A method of mechanically connecting an electrically conductive lead to an electrically conductive printed trace for the formation of an iontophoretic electrode which mechanical connection results in electronic interconnection between the conductive lead and conductive printed trace of an iontophoretic-electrode containing structure comprising the steps of:
- a) selecting a thermoplastic polymer composition containing electrically conductive fillers;
b) depositing said thermoplastic polymer composition containing said electrically conductive fillers between a printed trace of an iontophoretic-electrode containing structure and a conductive lead;
c) applying heat and pressure to the thermoplastic polymer composition to melt the thermoplastic composition causing it to adhere to the lead and the printed trace of the iontophoretic-electrode containing structure, while concurrently bringing the printed trace and conductive lead into direct electrical contact; and
d) cooling the thermoplastic polymer composition to place the conductive lead and the printed trace in electrical communication thereby forming the iontophoretic electrode.
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Abstract
The invention relates to a method for using adhesive polymers containing conductive fillers to manufacture iontophoretic devices in which the conductive lead and the conducted printed trace are strongly mechanically bonded together and resulting in electronic interconnection between the conductive lead and conductive printed trace.
39 Citations
7 Claims
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1. A method of mechanically connecting an electrically conductive lead to an electrically conductive printed trace for the formation of an iontophoretic electrode which mechanical connection results in electronic interconnection between the conductive lead and conductive printed trace of an iontophoretic-electrode containing structure comprising the steps of:
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a) selecting a thermoplastic polymer composition containing electrically conductive fillers;
b) depositing said thermoplastic polymer composition containing said electrically conductive fillers between a printed trace of an iontophoretic-electrode containing structure and a conductive lead;
c) applying heat and pressure to the thermoplastic polymer composition to melt the thermoplastic composition causing it to adhere to the lead and the printed trace of the iontophoretic-electrode containing structure, while concurrently bringing the printed trace and conductive lead into direct electrical contact; and
d) cooling the thermoplastic polymer composition to place the conductive lead and the printed trace in electrical communication thereby forming the iontophoretic electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
heating the deposited thermoplastic polymer composition to first melt the thermoplastic polymer composition onto the lead;
cooling the thermoplastic polymer composition; and
placing the thermoplastic polymer composition between the lead and the printed trace.
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7. The method of claim 1 wherein said depositing step further includes the sub-steps of:
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heating the deposited thermoplastic polymer composition to first melt the thermoplastic polymer composition containing conductive fillers onto the printed trace;
cooling the thermoplastic polymer composition; and
placing the thermoplastic polymer composition between the lead and the printed trace.
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Specification