Protective device
A technology for protecting components and substrates, applied in electrical components, emergency protection devices, circuits, etc., can solve problems such as thinning of difficult-to-protect components, discrete thickness of protective components, and inability to guarantee the thickness of protective components, so as to achieve the effect of ensuring dimensional stability
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Embodiment 1
[0054] This example is in Image 6 Shown is an example of application of a self-fusing type protective element. Such as Image 6 As shown, the structure of the manufactured protection element is that a pair of electrodes 22, 23 are arranged on the base substrate 21, these electrodes are connected by a low-melting point metal body 24, and at the same time, wires 25, 26 are connected to the electrodes 22, 23 made.
[0055] Specifically, a ceramic substrate having a size of 6 mm×6 mm and a thickness of 0.5 mm was used as the base substrate 21 , and the electrodes 22 and 23 were formed on the base substrate 21 . Electrodes made of Ag—Pd were formed by printing as the respective electrodes 22 and 23 .
[0056] Furthermore, a low-melting-point metal body (width 1 mm, thickness 0.1 mm) was welded and connected between these electrodes 22 and 23, and it sealed with rosin-based flux (not shown). In addition, on the electrodes 22 and 23 , Ni-plated Cu wires (1 mm in width and 0.5 mm i...
Embodiment 2
[0059] The structure of the basic protection element is the same as that of the previous embodiment. In this example, when the two-component epoxy resin is curing, a weight is placed on the insulating cover to suppress flow during curing.
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