| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a three-layer lamination surge absorption element for producing heat by surge operation, preventing the rise of temperature, extending life duration, and improving reliability, and the method of manufacturing the same. <P>SOLUTION: The invention comprises three single layer surge absorption elements 41, 42, and 43. Each ceramic layer comprises mutually separated upper electrode layers and lower electrode layers 44, 45, 46, 47, 48, and 49. A lead 4a is provided on the electrode layer 44. A lead 4b is provided between the electrode layers 45 and 46. A lead 4c is provided between the electrode layers 47 and 48. A lead 4d is provided on the electrode layer 49. A protection circuit is constituted between leads. When the leads 4a and 4d short out, a part for protecting among three lines at a time is formed. When the leads 4a and 4c short out and the leads 4b and 4d short out, protection is carried out by allowing a trilaminar ceramic layer to operate in juxtaposition and form a larger area. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
