| 摘要 |
PURPOSE:To prevent a creeping discharge, make a spark hard to occur, and prevent thermal destruction from occurring by ruggedly forming the surface of an insulating layer. CONSTITUTION:An electrode takeoff section 52a is arranged on a rectangular, thin ceramic substrate 51, next a resistance material 53 is arranged in a zigzag pattern, and this resistance material 53 is coated with an insulating material 54 such as glass. In this case, portions to be protruded are thickly coated. The resistance material is patterned with the electrode takeoff section and resistance material pattern using a mask and is sintered at about 800 deg.C, next it is patterned with a glass material once using a mask, and further the portion to be protruded is patterned with the glass material twice or three times using a different mask, and the glass material is again sintered at about 500 deg.C to form such resistance material. A resistor thus formed is corrugated in its longitudinal direction and is surrounded in the direction perpendicular to the longitudinal direction. |
