Charge coupled device of high sensitivity and high integration
US5336910A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 25, 1993 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Jan 25, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D44/454
Abstract
A charge coupled device according to the present invention, having an output terminal, for detecting an electric charge and for outputting a detection signal corresponding to the electric charge from the output terminal, comprises a semiconductor substrate having a main surface, further having a first, second and third regions in the main surface, both the first and second regions defining the third region therebetween, a charge supply formed in the vicinity of the first region, for supplying the electric charge to the first region, a first impurity formed in the first region, for transferring the electric charge to the third region, a floating gate electrode overlying the third region, coupled to the output terminal, for detecting the electric charge and outputting the detection signal corresponding to the electric charge from the output terminal in a first condition, for transferring the electric charge to the second region in a second condition, a transfer electrode overlying the second region, applied a control signal having a first or second logic levels thereto, for controlling to receive the electric charge at the time of the control signal having the first logic level, the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.