JPS5742271A - Sensitivity adjusting system for solidstate image sensor - Google Patents
Sensitivity adjusting system for solidstate image sensorInfo
- Publication number
- JPS5742271A JPS5742271A JP55116945A JP11694580A JPS5742271A JP S5742271 A JPS5742271 A JP S5742271A JP 55116945 A JP55116945 A JP 55116945A JP 11694580 A JP11694580 A JP 11694580A JP S5742271 A JPS5742271 A JP S5742271A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- electrode
- signal
- image sensor
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 title abstract 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14665—Imagers using a photoconductor layer
- H01L27/14672—Blooming suppression
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
PURPOSE:To prevent the dark part signal in an objective to be picked up from being avoided, by changing a voltage applied to a transparent electrode timewise and making automatic sensitivity adjustment. CONSTITUTION:An overflow control electrode 14 is provided adjacent to an N<+> layer 5, to control the surface potential of a semiconductor substrate between a drain N<++> layer 13 and the layer 5. A voltage VC applied to the electrode 14 is the same value as a high level voltage applied at the readout period of a readout gate electrode 8. Thus, A signal charge gives a voltage remained in the N<+> layer 5 and the charge for deficiency is injected from the overflow drain 13, allowing to prevent the signal for dark part of objective from omission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55116945A JPS5742271A (en) | 1980-08-27 | 1980-08-27 | Sensitivity adjusting system for solidstate image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55116945A JPS5742271A (en) | 1980-08-27 | 1980-08-27 | Sensitivity adjusting system for solidstate image sensor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61207683A Division JPS62162356A (en) | 1986-09-05 | 1986-09-05 | Solid-state image pickup device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5742271A true JPS5742271A (en) | 1982-03-09 |
| JPS6258594B2 JPS6258594B2 (en) | 1987-12-07 |
Family
ID=14699605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55116945A Granted JPS5742271A (en) | 1980-08-27 | 1980-08-27 | Sensitivity adjusting system for solidstate image sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5742271A (en) |
-
1980
- 1980-08-27 JP JP55116945A patent/JPS5742271A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6258594B2 (en) | 1987-12-07 |
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