| 摘要 |
<p>PURPOSE:To produce a voltage nonlinear resistor excellent in productivity and safety by enhancing adhesion between a ZnO element and an electrode thereby preventing malfunction due to exfoliation. CONSTITUTION:Granular powder mainly composed of zinc oxide is baked to produce a ZnO element which is then polished and washed on the surface and the rear thereof (step 1), subjected to chemical surface treatment (step 2), immersed into electrodes plating liquid for 15-90min to form an electroless plating layer of 1.5mum thick or above (step 7), and then provided with electrodes on the surface and the rear. Furthermore, a sensitizer for adsorbing Sn ions having strong reducing power is applied (step 3) and an activator for adsorbing catalytic metal for chemical plating is also applied (step 5) after step 2 for the purpose of surface activation.</p> |
