Atomic force microscopy and signal acquisition via buried insulator
Analysis of a semiconductor die having silicon-on-insulator (SOI) structure is enhanced by accessing the circuitry within the die from the back side without necessarily breaching the insulator layer of the SOI structure. According to an example embodiment of the present invention, a semiconductor di...
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| creator | BRUCE MICHAEL R RING ROSALINDA M BIRDSLEY JEFFREY D DAVIS BRENNAN V STONE DANIEL L |
| description | Analysis of a semiconductor die having silicon-on-insulator (SOI) structure is enhanced by accessing the circuitry within the die from the back side without necessarily breaching the insulator layer of the SOI structure. According to an example embodiment of the present invention, a semiconductor die having a SOI structure and a backside opposite circuitry in a circuit side is analyzed. An atomic force microscope is scanned across a thinned portion of the back side. The microscope responds to an electrical characteristic, such as a logic state, coupled from circuitry via the insulator portion of the die over which the microscope is being scanned. The response of the microscope to the die is detected and used to detect an electrical characteristic of the die. |
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| subjects | APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM] MEASURING PHYSICS SCANNING-PROBE TECHNIQUES OR APPARATUS TESTING |
| title | Atomic force microscopy and signal acquisition via buried insulator |
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