JPS5586274A - Charge transfer pickup unit and its driving method - Google Patents
Charge transfer pickup unit and its driving methodInfo
- Publication number
- JPS5586274A JPS5586274A JP16384378A JP16384378A JPS5586274A JP S5586274 A JPS5586274 A JP S5586274A JP 16384378 A JP16384378 A JP 16384378A JP 16384378 A JP16384378 A JP 16384378A JP S5586274 A JPS5586274 A JP S5586274A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- potential
- region
- well
- charge
- 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
Abstract
PURPOSE: To prevent a blooming phenomenon and also to improve a degree of integration by connecting an excessive charge absorbing channel, adjoining to a photoelectric conversion region and divided by a channel stop region, to a gate electrode forming a potential well.
CONSTITUTION: To photo gate 15, a direct current is applied to form a potential well of photoelectric conversion regions 18a and 18b. Once control gate electrode 14 becomes high in level, a potential under electrode 14 becomes 17b and charge in photoelectric conversion part 18 is transferred to potential well 17c right under transfer electrode 13a. When electrode 14 becomes low in level, a potential right under electrode 14 becomes 17b'. Irradiation with light via photo gate 15 accumulates signal charge in the potential well encircled with 17b and 17a. Potential barrier region 19 controls the impurity density of the substrate and decreases an electron potential in the well down to a minimum with electrode 15 biased. Therefore, the excessive charge flows into excessive-charge absorbing N+ region 16 by way of region 19. In this way, electrode 15 controls the surface potential of region 19 while forming the well, and is connected to region 16 via contact 20, thereby realizing a function of an electrode line through which the excessive charge flows out.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16384378A JPS5586274A (en) | 1978-12-22 | 1978-12-22 | Charge transfer pickup unit and its driving method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16384378A JPS5586274A (en) | 1978-12-22 | 1978-12-22 | Charge transfer pickup unit and its driving method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5586274A true JPS5586274A (en) | 1980-06-28 |
JPS6318387B2 JPS6318387B2 (en) | 1988-04-18 |
Family
ID=15781797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16384378A Granted JPS5586274A (en) | 1978-12-22 | 1978-12-22 | Charge transfer pickup unit and its driving method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5586274A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726971A (en) * | 1980-07-24 | 1982-02-13 | Sanyo Electric Co Ltd | Solidstate image sensor |
JPS5768070A (en) * | 1980-10-16 | 1982-04-26 | Sony Corp | Charge transfer device |
JPS5793568A (en) * | 1980-12-02 | 1982-06-10 | Nec Corp | Semiconductor image pickup element |
JPS57109476A (en) * | 1980-12-25 | 1982-07-07 | Matsushita Electronics Corp | Solid image pickup device |
US4905033A (en) * | 1987-01-06 | 1990-02-27 | Minolta Camera Kabushiki Kaisha | Image sensing system |
US4985774A (en) * | 1988-01-20 | 1991-01-15 | Minolta Camera Kabushiki Kaisha | Image sensing device having direct drainage of unwanted charges |
US5227834A (en) * | 1987-01-06 | 1993-07-13 | Minolta Camera Kabushiki Kaisha | Image sensing system having a one chip solid state image device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020679A (en) * | 1973-05-21 | 1975-03-05 |
-
1978
- 1978-12-22 JP JP16384378A patent/JPS5586274A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020679A (en) * | 1973-05-21 | 1975-03-05 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726971A (en) * | 1980-07-24 | 1982-02-13 | Sanyo Electric Co Ltd | Solidstate image sensor |
JPS5768070A (en) * | 1980-10-16 | 1982-04-26 | Sony Corp | Charge transfer device |
JPS5793568A (en) * | 1980-12-02 | 1982-06-10 | Nec Corp | Semiconductor image pickup element |
JPS6320385B2 (en) * | 1980-12-02 | 1988-04-27 | Nippon Electric Co | |
JPS57109476A (en) * | 1980-12-25 | 1982-07-07 | Matsushita Electronics Corp | Solid image pickup device |
US4905033A (en) * | 1987-01-06 | 1990-02-27 | Minolta Camera Kabushiki Kaisha | Image sensing system |
US5010409A (en) * | 1987-01-06 | 1991-04-23 | Minolta Camera Kabushiki Kaisha | Image sensing system |
US5097339A (en) * | 1987-01-06 | 1992-03-17 | Minolta Camera Kabushiki Kaisha | Single chip solid state image sensing devices |
US5227834A (en) * | 1987-01-06 | 1993-07-13 | Minolta Camera Kabushiki Kaisha | Image sensing system having a one chip solid state image device |
US5371567A (en) * | 1987-01-06 | 1994-12-06 | Minolta Camera Kabushiki Kaisha | Image sensing system |
US5469239A (en) * | 1987-01-06 | 1995-11-21 | Minolta Camera Kabushiki Kaisha | Image sensing system |
US4985774A (en) * | 1988-01-20 | 1991-01-15 | Minolta Camera Kabushiki Kaisha | Image sensing device having direct drainage of unwanted charges |
Also Published As
Publication number | Publication date |
---|---|
JPS6318387B2 (en) | 1988-04-18 |
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