JPS6420654A - Solid-state image sensing device and manufacture thereof - Google Patents
Solid-state image sensing device and manufacture thereofInfo
- Publication number
- JPS6420654A JPS6420654A JP62176462A JP17646287A JPS6420654A JP S6420654 A JPS6420654 A JP S6420654A JP 62176462 A JP62176462 A JP 62176462A JP 17646287 A JP17646287 A JP 17646287A JP S6420654 A JPS6420654 A JP S6420654A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- type
- well
- reading
- transfer unit
- 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.)
- Pending
Links
Landscapes
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
PURPOSE:To reduce a smear phenomenon without affecting an adverse influence to a storage charge reading operation by forming a first conductivity type barrier layer under a transfer unit so as not to invade a reading gate. CONSTITUTION:A P-type well 2 is formed on an N-type semiconductor substrate 1, and an N-type photodetector 3 and an N-type transfer unit 4 are formed on the well 2. An insulating layer 5 is formed on the upper face of the well 2, and reading/transferring electrode 6 is formed in the layer 5. A shielding film 7 is formed on the upper face of the layer 5, and the film 7 has an opening 8 at a section corresponding to above the photodetector 3. An external light is incident from the opening 8. Further, a P-type barrier layer 10 is so formed directly under the transfer unit 4 as not to invade the reading gate 2a of stored signal charge. The concentration of the layer 10 is higher than the impurity concentration of the well 2 to suppress the extending region of a depletion layer 9. Thus, a smear phenomenon can be reduced without affecting an adverse influence to the reading operation of the stored charge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176462A JPS6420654A (en) | 1987-07-15 | 1987-07-15 | Solid-state image sensing device and manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176462A JPS6420654A (en) | 1987-07-15 | 1987-07-15 | Solid-state image sensing device and manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6420654A true JPS6420654A (en) | 1989-01-24 |
Family
ID=16014116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62176462A Pending JPS6420654A (en) | 1987-07-15 | 1987-07-15 | Solid-state image sensing device and manufacture thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6420654A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04239173A (en) * | 1991-01-14 | 1992-08-27 | Sharp Corp | Manufacture of solid-state image sensing device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6089967A (en) * | 1983-10-24 | 1985-05-20 | Sony Corp | Photoelectric conversion element |
-
1987
- 1987-07-15 JP JP62176462A patent/JPS6420654A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6089967A (en) * | 1983-10-24 | 1985-05-20 | Sony Corp | Photoelectric conversion element |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04239173A (en) * | 1991-01-14 | 1992-08-27 | Sharp Corp | Manufacture of solid-state image sensing device |
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