JPH0420767U - - Google Patents
Info
- Publication number
- JPH0420767U JPH0420767U JP1990061949U JP6194990U JPH0420767U JP H0420767 U JPH0420767 U JP H0420767U JP 1990061949 U JP1990061949 U JP 1990061949U JP 6194990 U JP6194990 U JP 6194990U JP H0420767 U JPH0420767 U JP H0420767U
- Authority
- JP
- Japan
- Prior art keywords
- package
- pass filter
- solid
- optical low
- imaging device
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は本考案の撮像素子の概略断面図、第２
図は矩形波状の断面形状を有する回折格子からな
る光学的ローパスフイルタのＭＴＦ特性図である
。
１……光学的ローパスフイルタ、２……固体撮
像素子、３……パツケージ、４……保護板、５…
…段差。
Figure 1 is a schematic sectional view of the image sensor of the present invention, Figure 2
The figure is an MTF characteristic diagram of an optical low-pass filter made of a diffraction grating having a rectangular cross-sectional shape. DESCRIPTION OF SYMBOLS 1... Optical low-pass filter, 2... Solid-state image sensor, 3... Package, 4... Protective plate, 5...
…Step.
Claims (1)
、該開口部に取り付けられる保護板と、該パツケ
ージ内に収納される回折格子からなる光学的ロー
パスフイルタおよび固体撮像素子とを備え、光学
的ローパスフイルタが固体撮像素子と一定の間隔
を保つようにパツケージと該段差で固定化されて
いることを特徴とする撮像素子。 The optical low-pass filter includes a package having an opening and a step inside the package, a protection plate attached to the opening, and an optical low-pass filter consisting of a diffraction grating and a solid-state image sensor housed in the package. An imaging device characterized in that it is fixed by a package and the step so as to maintain a constant distance from the solid-state imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061949U JPH0420767U (en) | 1990-06-11 | 1990-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061949U JPH0420767U (en) | 1990-06-11 | 1990-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420767U true JPH0420767U (en) | 1992-02-21 |
Family
ID=31590661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990061949U Pending JPH0420767U (en) | 1990-06-11 | 1990-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001065306A1 (en) * | 2000-02-29 | 2001-09-07 | Daishinku Corporation | Optical device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59122087A (en) * | 1982-12-27 | 1984-07-14 | Mitsubishi Electric Corp | Solid-state image pickup device |
| JPS63307423A (en) * | 1987-06-09 | 1988-12-15 | Canon Inc | Image pickup element with optical low-pass effect |
-
1990
- 1990-06-11 JP JP1990061949U patent/JPH0420767U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59122087A (en) * | 1982-12-27 | 1984-07-14 | Mitsubishi Electric Corp | Solid-state image pickup device |
| JPS63307423A (en) * | 1987-06-09 | 1988-12-15 | Canon Inc | Image pickup element with optical low-pass effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001065306A1 (en) * | 2000-02-29 | 2001-09-07 | Daishinku Corporation | Optical device |