| 摘要 |
Two conductors are in resistive contact in spaced apart relation with a body of semiconductor material, e.g., silicon of P type conductivity, which is relatively lightly doped at the areas of contact, the electrical resistance at the areas of contact decreasing with increasing temperature. In one embodiment, portions of the conductors contact spaced apart regions of the body which are relatively highly doped at the areas of contact, parallel paths for current having different resistance characteristics thus being provided through the body between the conductors.
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