Charles J. Varker
13Patents
9h-index
12Co-inventors
69Inventor score
Filing activity: Jul 18, 1978 → Aug 9, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4755865A | Means for stabilizing polycrystalline semiconductor layers | Electricity | 176 | Expired |
| US4683637A | Forming depthwise isolation by selective oxygen/nitrogen deep implant and reaction annealing | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4200621A | Sequential purification and crystal growth | Chemistry; Metallurgy | 60 | Expired |
| US4682407A | Means and method for stabilizing polycrystalline semiconductor layers | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4740481A | Method of preventing hillock formation in polysilicon layer by oxygen implanation | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5760476A | Interconnect run between a first point and a second point in a semiconductor device for reducing electromigration failure | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5461260A | Semiconductor device interconnect layout structure for reducing premature electromigration failure due to high localized current density | Emerging Cross-Sectional Technologies | 15 | Expired |
| USH569H | Charge storage depletion region discharge protection | General | 9 | Active |
| US5962389A | Detergent having improved color retention properties | Chemistry; Metallurgy | 9 | Expired |
| US5726142A | Detergent having improved properties and method of preparing the detergent | Chemistry; Metallurgy | 8 | Expired |
| US5472911A | Method for controlling electromigration and electrically conductive interconnect structure therefor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4717588A | Metal redistribution by rapid thermal processing | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6162780A | Detergent having improved color retention properties | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.