| 摘要 |
A heating wiring layer (122) is formed on a substrate (120). An insulation layer (124) is formed on the heating wiring layer (122) so as to cover with the heating wiring layer. A control wiring layer (126), which acts as a fuse device, is formed on the insulation layer (124) transverse to the heating wiring layer (122). A programming current is directed through the heating wiring layer (122) under the control wire layer (126) which is to be programmed. The heat generated by the programming current is transmitted through the insulation layer (124) to the portion (134) or the control wiring layer which crosses the heating wiring layer (122). As a result, the control wiring layer (126) is melted by the heat and thus interrupted. Alternatively, the heat may form a eutectic mixture with the materials of two contiguous wiring layers together forming the control layer, to complete the continuity of the control layer. |
