CN201134857Y - Multi-pixel CCD image sensor - Google Patents
Multi-pixel CCD image sensor Download PDFInfo
- Publication number
- CN201134857Y CN201134857Y CNU2007203113596U CN200720311359U CN201134857Y CN 201134857 Y CN201134857 Y CN 201134857Y CN U2007203113596 U CNU2007203113596 U CN U2007203113596U CN 200720311359 U CN200720311359 U CN 200720311359U CN 201134857 Y CN201134857 Y CN 201134857Y
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- China
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- ccd image
- linear array
- array ccd
- image sensor
- monolithic linear
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- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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Abstract
The utility model relates to a multi-pixel CCD image sensor, which comprises three single-chip linear array CCD image sensors, a splicing platform capable of fixing the three single-chip linear array CCD image sensors and a heat conducting pipe arranged at the back of the single-chip linear array CCD image sensor, wherein the heat conducting pipe is tightly attached to the back of the single-chip linear array CCD image sensor through a fixing piece connected with the splicing platform; the three single-chip linear array CCD image sensors are sequentially and parallelly overlapped in a shape like a Chinese character 'pin' or a step shape. The utility model provides a current monolithic linear array CCD image sensor's pixel number, resolution ratio and the technical problem that the degree of housing can't satisfy operation requirement, have that the pixel number is many, simple structure, the imaging precision is high, structure size is selectable, image quality is good advantage.
Description
Technical field
The utility model relates to a kind of ccd image sensor, relates in particular to a kind of spliced ccd image sensor.
Background technology
Therefore series of advantages such as highly sensitive, good reliability, spectral response are wide because ccd image sensor has, compact conformation, position are accurate have obtained using widely.But at present the pixel number of monolithic line array CCD is to reaching about 9000, can not satisfy in the modern aerospace field requirement to high-resolution and wide degree of accommodating.Because the restriction of aspects such as material and technology, integrated level is higher, the more CCD device of pixel number is very difficult if think to develop in a short time.
Summary of the invention
The utility model purpose is to propose a kind of many pixels ccd image sensor, and its pixel number, resolution and degree of accommodating that has solved existing monolithic linear array CCD image transducer can't satisfy the technical problem of instructions for use.
Technical solution of the present utility model is:
A kind of many pixels ccd image sensor, its special character is, comprise at least two monolithic linear array CCD image transducers 1 and the splicing platform 7 that can fix all monolithic linear array CCD image transducers 1, the parallel overlap joint in rear end of the front end of a described back monolithic linear array CCD image transducer 1 and previous monolithic linear array CCD image transducer 1.
Above-mentioned a plurality of monolithic linear array CCD image transducer 1 is with the parallel successively overlap joint of " product " word shape.
Above-mentioned a plurality of monolithic linear array CCD image transducer 1 is with step-like parallel successively overlap joint.
Above-mentioned many pixels ccd image sensor comprises also and the consistent a plurality of fixed frames 4 of monolithic linear array CCD image transducer 1 quantity that described each fixed frame 4 is fixed a monolithic linear array CCD image transducer 1.
Above-mentioned many pixels ccd image sensor also comprises the heat pipe (6) that is arranged on monolithic linear array CCD image transducer (1) back side; Described heat pipe (6) is close to the back side of monolithic linear array CCD image transducer (1) by the stator (8) that is connected with fixed frame (4).
Above-mentioned many pixels ccd image sensor also can comprise the heat pipe 6 that is arranged on monolithic linear array CCD image transducer 1 back side; Described heat pipe 6 is close to the back side of monolithic linear array CCD image transducer 1 by the stator 8 that is connected with splicing platform 7.
Above-mentioned many pixels ccd image sensor also comprises the heating panel 9 that is connected with heat pipe 6.
The utility model has the advantages that:
1, simple in structure.The utility model can be realized many pixels ccd image sensor by a plurality of common monolithic linear array CCD image transducers being carried out accurate machinery combination, has increased the pixel number, and picture acquisition power has strengthened.
2, imaging precision height.The utility model can guarantee that by the machining accuracy of raising fixed frame and the splicing precision between the fixed frame pixel splicing precision is less than 1 μ m.
3, physical dimension can be selected.The utility model can form the ccd image sensor of different size specification according to the demand of different pixels.
4, the utility model has satisfied in the modern aerospace field wide cut camera to the requirement of ccd image sensor pixel number.Parts of the present utility model are that a plurality of monolithic linear array CCD image sensor combination form, and any one monolithic linear array CCD image transducer damages, and only need directly to change, and all the other can continue to use.
5, the utility model also comprises heat pipe and the heating panel that is arranged between monolithic linear array CCD image transducer and the fixed frame, and temperature raises in the time of can solving the work of many pixels ccd image sensor, the dark current increase is raised, the CCD signal to noise ratio reduces, the defective of image quality decrease.
Description of drawings
Fig. 1 is many pixels of the utility model ccd image sensor structural representation;
Fig. 2 is that A-A cuts open and attempts among Fig. 1;
Fig. 3 is that the B of Fig. 2 is to view;
Wherein: 1-monolithic linear array CCD image transducer; The 4-fixed frame; The 5-hold-down screw; The 6-heat pipe; 7-splices platform; The 8-stator; The 9-heating panel.
Embodiment
The embodiment of a kind of many pixels ccd image sensor of the utility model, comprehensive reference Fig. 1, Fig. 2 and Fig. 3, comprise three monolithic linear array CCD image transducers, be used for fixing three fixed frames and the splicing platform that can fix three fixed frames of monolithic linear array CCD image transducer, fix a monolithic linear array CCD image transducer at each fixed frame; Three monolithic linear array CCD image transducers are arranged in a row successively with " product " word shape, require the front end of a back monolithic linear array CCD image transducer and the parallel overlap joint in rear end of previous monolithic linear array CCD image transducer, and leave certain coincidence amount, in order to improve heat-sinking capability, can two heat pipes be set at monolithic linear array CCD image transducer 1 back side; Two stators that are connected respectively with the fixed frame two ends are pressed on the back side of monolithic linear array CCD image transducer with heat pipe, outwards dispel the heat by the heating panel that is arranged on the splicing platform in the both ends of heat pipe.Fixed frame is fixed on the splicing platform by hold-down screw, can adjust the relative lap position of fixed frame simultaneously by the hold-down screw trace.Three preferred TDICCD imageing sensors of monolithic linear array CCD image transducer.
The utility model assembling process:, then fixed frame is placed on the splicing platform by hold-down screw but does not fix at first pack into separately fixed frame of three monolithic linear array CCD image transducers; Then by adjusting the height of three monolithic linear array CCD image transducers, guarantee three monolithic linear array CCD image transducers with the focal plane error within the imaging system depth of field; Adjust the linearity and the collimation of three monolithic linear array CCD image transducer splicings again, guarantee that collimation and linearity error are less than 1/10 pixel dimension; Then with the two ends of middle monolithic linear array CCD image transducer respectively with the rear end of the place ahead monolithic linear array CCD image transducer, the parallel overlap joint of front end of rear monolithic linear array CCD image transducer, to guarantee the linearity of monolithic linear array CCD image transducer simultaneously and overlap error in control range, require the linearity of three a monolithic linear array ccd image sensor and the depth of parallelism less than 1 μ m, the focal plane coplanarity is 10 μ m; Then fixed frame is fixed on the splicing platform; Next be close to the back side of three monolithic linear array CCD image transducers with heat pipe, then heat pipe is fixed on the two ends of fixed frame by stator, the two ends and the heating panel of heat pipe are fixed together, and allow heat pipe by heating panel the heat that monolithic linear array CCD image transducer produces be distributed.Reliable in order to guarantee focal plane subassembly environmental suitability and structural stability, guarantee accurate adjustment of monolithic linear array CCD image transducer six-freedom degree and accurate location, reduce linear expansion coefficient, machine components all adopt invar, and in design, improve system strength as far as possible, guarantee to reach vibration test and require magnitude.
The utility model course of work: gather all pixels of each monolithic linear array CCD image transducer respectively by acquisition system, carry out software processes and splicing then, form big pixel and count image.Three monolithic linear array CCD image transducers have spliced the total pixel number in back greater than 18000, and pixel dimension is 10 μ m, and ccd image sensor image planes length is greater than being 180mm.
Claims (8)
1, a kind of many pixels ccd image sensor, it is characterized in that: it comprises at least two monolithic linear array CCD image transducers (1) and the splicing platform (7) that can fix all monolithic linear array CCD image transducers (1), the parallel overlap joint in rear end of the front end of a described back monolithic linear array CCD image transducer (1) and previous monolithic linear array CCD image transducer (1).
2, many pixels ccd image sensor according to claim 1 is characterized in that: described a plurality of monolithic linear array CCD image transducers (1) are with the parallel successively overlap joint of " product " word shape.
3, many pixels ccd image sensor according to claim 1 is characterized in that: described a plurality of monolithic linear array CCD image transducers (1) are with step-like parallel successively overlap joint.
4, according to claim 1 or 2 or 3 described many pixels ccd image sensors, it is characterized in that: described many pixels ccd image sensor also comprises a plurality of fixed frames (4) consistent with monolithic linear array CCD image transducer (1) quantity, and described each fixed frame (4) is fixed a monolithic linear array CCD image transducer (1).
5, many pixels ccd image sensor according to claim 4 is characterized in that: described many pixels ccd image sensor also comprises the heat pipe (6) that is arranged on monolithic linear array CCD image transducer (1) back side; Described heat pipe (6) is close to the back side of monolithic linear array CCD image transducer (1) by the stator (8) that is connected with fixed frame (4).
6, many pixels ccd image sensor according to claim 5 is characterized in that: described many pixels ccd image sensor also comprises the heating panel (9) that is connected with heat pipe (6).
7, according to claim 1 or 2 or 3 described many pixels ccd image sensors, it is characterized in that: described many pixels ccd image sensor also comprises the heat pipe (6) that is arranged on monolithic linear array CCD image transducer (1) back side; Described heat pipe (6) is close to the back side of monolithic linear array CCD image transducer (1) by the stator (8) that is connected with splicing platform (7).
8, many pixels ccd image sensor according to claim 7 is characterized in that: described many pixels ccd image sensor also comprises the heating panel (9) that is connected with heat pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203113596U CN201134857Y (en) | 2007-12-21 | 2007-12-21 | Multi-pixel CCD image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203113596U CN201134857Y (en) | 2007-12-21 | 2007-12-21 | Multi-pixel CCD image sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134857Y true CN201134857Y (en) | 2008-10-15 |
Family
ID=40063128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203113596U Expired - Fee Related CN201134857Y (en) | 2007-12-21 | 2007-12-21 | Multi-pixel CCD image sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134857Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077953A (en) * | 2012-12-21 | 2013-05-01 | 中国科学院长春光学精密机械与物理研究所 | Focal plane CCD (Charge Coupled Device) heat control device of space optical remote sensor |
| CN103890653A (en) * | 2011-10-10 | 2014-06-25 | 莱卡地球系统公开股份有限公司 | Cooled aerial camera |
-
2007
- 2007-12-21 CN CNU2007203113596U patent/CN201134857Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890653A (en) * | 2011-10-10 | 2014-06-25 | 莱卡地球系统公开股份有限公司 | Cooled aerial camera |
| CN103890653B (en) * | 2011-10-10 | 2017-09-29 | 莱卡地球系统公开股份有限公司 | The aerial camera of cooling |
| CN103077953A (en) * | 2012-12-21 | 2013-05-01 | 中国科学院长春光学精密机械与物理研究所 | Focal plane CCD (Charge Coupled Device) heat control device of space optical remote sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20111221 |