JPH0420769U - - Google Patents
Info
- Publication number
- JPH0420769U JPH0420769U JP1990061951U JP6195190U JPH0420769U JP H0420769 U JPH0420769 U JP H0420769U JP 1990061951 U JP1990061951 U JP 1990061951U JP 6195190 U JP6195190 U JP 6195190U JP H0420769 U JPH0420769 U JP H0420769U
- Authority
- JP
- Japan
- Prior art keywords
- pass filter
- optical low
- package
- solid
- 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 5
- 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……保護板
、３……パツケージ、４……固体撮像素子。
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. 1... Optical low-pass filter, 2... Protective plate, 3... Package, 4... Solid-state image sensor.
Claims (1)
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
ルタが保護板に固定化されており、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
うに設定されていることを特徴とする撮像素子。 The package includes a package having an opening, a protection plate attached to the opening, an optical low-pass filter consisting of a diffraction grating housed in the package, and a solid-state image sensor, and the optical low-pass filter is fixed to the protection plate. An imaging device characterized in that the optical low-pass filter is set to maintain a constant distance from the solid-state imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061951U JPH0420769U (en) | 1990-06-11 | 1990-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061951U JPH0420769U (en) | 1990-06-11 | 1990-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420769U true JPH0420769U (en) | 1992-02-21 |
Family
ID=31590665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990061951U Pending JPH0420769U (en) | 1990-06-11 | 1990-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420769U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549077A (en) * | 1978-10-05 | 1980-04-08 | Toshiba Corp | Charge transfer pickup unit |
| JPS63307423A (en) * | 1987-06-09 | 1988-12-15 | Canon Inc | Image pickup element with optical low-pass effect |
-
1990
- 1990-06-11 JP JP1990061951U patent/JPH0420769U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549077A (en) * | 1978-10-05 | 1980-04-08 | Toshiba Corp | Charge transfer pickup unit |
| JPS63307423A (en) * | 1987-06-09 | 1988-12-15 | Canon Inc | Image pickup element with optical low-pass effect |