Method for Thin Film Resistor Integration in Dual Damascene Structure
A thin film resistor (55) is formed over an etch stop layer 40. Contact pads (65) are formed n the thin film resistor (55) and a dielectric layer (80) is formed over the thin film resistor (55). Metal structures (120 are formed above the thin film resistor (55) and metal (110) is used to fill a tren...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A thin film resistor (55) is formed over an etch stop layer 40. Contact pads (65) are formed n the thin film resistor (55) and a dielectric layer (80) is formed over the thin film resistor (55). Metal structures (120 are formed above the thin film resistor (55) and metal (110) is used to fill a trench and via formed in the dielectric layer (80). |
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