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Resistor structure

A resistance structure and resistance technology, which is applied to other resistor networks and other directions, can solve the problem that the resistance structure does not meet the requirements of accurately simulating the resistance value of the resistance structure.

Active Publication Date: 2012-04-18
SHANGHAI HUAHONG GRACE SEMICON MFG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention solves the problem that the resistance structure in the prior art does not meet the requirements of accurately simulating the resistance value of the resistance structure

Method used

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Embodiment Construction

[0014] From the above description of the resistance of the multi-terminal structure in the prior art, it can be seen that in the resistance of the multi-terminal structure in the prior art, the resistivity of the material of the resistor body is much greater than the resistivity of the contact hole at the terminal and the lead-out end. Since the leading end of the resistance of the multi-terminal structure of the prior art is realized by forming a contact hole on the extension between the two terminals of the resistance body, when the current is transmitted between the terminal and the leading end of the resistance structure, the current will appear There is a tendency to concentrate towards contact hole regions with smaller resistivity.

[0015] Therefore, if a region with a relatively small resistivity and electrically connected to the lead-out terminal can also exist on the resistor body, the phenomenon of current concentration should be able to be improved.

[0016] refer ...

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Abstract

The invention relates to a resistor structure. The resistor structure comprises a linear resistor body, terminals with contact holes and a plurality of leading-out terminals, wherein the terminals with the contact holes are arranged at both ends of the resistor body; the plurality of leading-out terminals are arranged between the two terminals; each leading-out terminal comprises a conductive medium which is in cross electrical connection with the resistor body; at least one side of each leading-out terminal on the resistor body is provided with the contact holes which are electrically connected with the conductive medium; and the resistivity of the conductive medium is matched with that of the contact holes. In the resistor structure, the number of effective squares through which currents pass can be accurately calculated, and the requirement of accurately simulating the resistance of the resistor structure is met.

Description

technical field [0001] The present invention relates to the design of semiconductor integrated circuits, in particular to resistor structures. Background technique [0002] The conventional resistance structure is a two-terminal structure. When a current flows through it, the number of effective squares that the current passes through is equal to the number of squares between the two ends of the resistance. Therefore, the resistance value of this type of resistance structure can be simulated simply by calculating the two resistances. The number of squares between the ends is sufficient. However, this method is not suitable for multi-terminal structure resistors. [0003] figure 1 A schematic diagram of the resistance of a multi-terminal structure. refer to figure 1 As shown, the resistor 10 includes: a linear resistor body, two terminals 11 , 12 of the resistor 10 , and two lead-out terminals 13 , 14 between the terminals 11 , 12 . The terminals 11, 12 and the lead-outs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C1/16
Inventor 张昊许丹
Owner SHANGHAI HUAHONG GRACE SEMICON MFG CORP