CN111751331A - Photoelectric conversion detection device and packaging method thereof - Google Patents
Photoelectric conversion detection device and packaging method thereof Download PDFInfo
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- CN111751331A CN111751331A CN201910244780.7A CN201910244780A CN111751331A CN 111751331 A CN111751331 A CN 111751331A CN 201910244780 A CN201910244780 A CN 201910244780A CN 111751331 A CN111751331 A CN 111751331A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention discloses a photoelectric conversion detection device and a packaging method thereof, comprising a photosensitive element and a protective film, wherein the protective film is covered on the upper surface of the photosensitive element, and the outer edge of the protective film is positioned outside the outer edge of the photosensitive element; the top of the base is provided with a containing groove, and the photosensitive element and the protective film are positioned in the containing groove; and the packaging piece acts on the protective film and the base to limit the movement of the photosensitive element relative to the base. The photoelectric conversion detection device provided by the invention has the advantages that the photosensitive element is covered with the thin protective film, so that the photosensitive element is prevented from being polluted by the outside, dust and water are prevented from being discharged, and the internal structure is prevented from being damaged due to impact because the photosensitive element has certain hardness. Correspondingly, the packaging method of the photoelectric conversion detection device enables the protective film and the photosensitive element to form a mounting component and to be fixed with the base, so that an integral fixing structure is formed, the photoelectric conversion detection device is convenient to use, and meanwhile, the packaging method enables the photosensitive element to be protected more comprehensively and effectively.
Description
Technical Field
The present invention relates to the field of industrial equipment, and in particular, to a photoelectric conversion detection device and a method for packaging the photoelectric conversion detection device.
Background
The contact imaging technology is an imaging method which enables a photosensitive chip to be in close contact with a sample film, thereby nondestructively, rapidly and efficiently collecting optical signals on the sample film. The photosensitive element is used for detecting and collecting optical signals on a sample film, and is one of key components of the contact type imaging equipment. In practical applications, such as signal acquisition in Western blot (Western blot) technology, bare photosensitive devices are easily polluted by water, dust or other foreign matters, tools, limbs or samples of operators may contact critical devices, and the vibration or failure of the photosensitive devices may be caused by transportation, moving, environmental vibration, environmental light interference and other factors of the whole equipment.
In order to avoid such a situation that may cause damage to the detector or cause unstable operation of the components, it is necessary to fix the depth of the photosensitive element and protect the photosensitive element from all directions in designing and manufacturing the contact type image forming apparatus. At present, no better theory exists for the fixing mode of the photosensitive element of the contact type imaging equipment.
Disclosure of Invention
The invention provides a photoelectric conversion detection device and a packaging method thereof, aiming at overcoming the defects that a photosensitive element is easily damaged or polluted by the outside and the position of the photosensitive element cannot be fixed in the prior art.
The invention solves the technical problems through the following technical scheme:
a photoelectric conversion detection device, includes photosensitive element, its characterized in that, photoelectric conversion detection device still includes:
the protective film is covered on the upper surface of the photosensitive element, and the outer edge of the protective film is positioned outside the outer edge of the photosensitive element;
the top of the base is provided with a containing groove, and the photosensitive element and the protective film are positioned in the containing groove;
a package that acts on the protective film and the base to restrict movement of the photosensitive element relative to the base.
The application of protection film makes photosensitive element can't direct and external contact, but waterproof, dustproof and some other gas or liquid that produce the influence to photosensitive element of separation when using under special environment make photosensitive element work under a safer environment to make its detection effect when using not influenced, and increase of service life.
Preferably, the outer edge of the protection film abuts against the inner wall surface of the accommodating groove. The outer edge of the protective film is directly abutted against the inner wall surface of the accommodating groove, so that the protective film and the accommodating groove can be mutually fixed to prevent the positions of the protective film and the accommodating groove from moving.
Preferably, the thickness of the protective film is not more than 1 mm. The thickness of the protective film is controlled within 1 mm, so that the object to be detected of the photoelectric conversion detection device and the photosensitive element are prevented from excessively losing signals due to too long distance, and certain accuracy is kept.
Preferably, the package includes a filler, the filler is located in an area enclosed by the photosensitive element, the protective film and the surface of the base, and is used for fixing the photosensitive element in the base, and the filler is gel, glass cement, a rubber strip or elastic sponge. The filler is used for protecting the mutual fixation between the photosensitive element and the base, and the photosensitive element and the base can be mutually adhered together through the action of the filler, so that the whole photoelectric conversion detection device can be firmer. And because there is the protection of filler, the relevant connecting wire that is arranged in the storage tank of base also can obtain better protection, avoids when producing impact such as collision, and the damage degree that its inside circuit received can be minimum.
Preferably, the package includes a filler, the filler is located in an area enclosed by the photosensitive element, the protective film and the surface of the base, and is used for fixing the photosensitive element in the base, and the filler is a plastic board, a wood board or a gypsum board.
Preferably, the package includes a card board, one end of the card board is connected to the surface of the base, and when the photoelectric conversion detection device is in the package state, the other end of the card board abuts against the outer surface of the protection film. The cardboard can make the whole photoelectric conversion detector who pastes the protection film make its fixed effect more excellent through the compressing tightly of cardboard.
Preferably, the base includes a bottom plate and a base main body, the base main body is provided with the accommodating groove, the accommodating groove penetrates through the base main body, the bottom plate is movably connected to the bottom of the base main body so as to open or close the accommodating groove from the bottom of the base main body, and the height of the photosensitive element is not greater than the depth of the accommodating groove.
Preferably, the photosensitive element includes a main body and a substrate, and an outer edge of the substrate is located outside an outer edge of the main body. The surface that the main part and base plate contacted is less than the base plate, is in order to guarantee that the base plate can support the main part well, makes the main part not direct contact to the inner wall of storage tank, has reduced the damage degree when its collision to the base plate is mutually supported with the filler, can protect the main part better.
Preferably, the substrate is a metal plate or PCBA.
Preferably, the photosensitive element is an amorphous silicon photosensitive element, a CMOS or a CCD.
Preferably, the material of the protective film is a toughened glass film or a hard plastic film.
The packaging method of the photoelectric conversion detection device is characterized by comprising the following steps of:
s1, attaching the protective film to the upper surface of the photosensitive element to form an attached component;
s2, placing the mounting component into the containing groove;
and S3, enabling the packaging piece to act on the protective film and the base to limit the movement of the photosensitive element relative to the base.
Preferably, the base includes a bottom plate and a base main body, the base main body is provided with the accommodating groove, the accommodating groove penetrates through the base main body, the bottom plate is movably connected to the bottom of the base main body so as to open or close the accommodating groove from the bottom of the base main body, the height of the photosensitive element is not greater than the depth of the accommodating groove, and the step S2 includes the following steps:
step S21, applying external force to the bottom plate to open the accommodating groove;
step S22, placing the placement component in the receiving groove, and acting on the bottom plate to close the receiving groove.
Preferably, the package includes a filler located in an area enclosed by the photosensitive element, the protective film and the surface of the base, and the filler is a gel, a glass cement, a rubber strip or an elastic sponge, and the step S3 includes the following steps:
s31, filling the filler into an area surrounded by the surface of the base and the optical mounting component;
and S32, standing the photoelectric conversion detection device until the mounting assembly is fixed relative to the base.
Preferably, the package includes a card board, the card board abuts against an outer surface of the protective film when the photoelectric conversion detection device is in the packaged state, and before the step S31, the step S3 further includes the steps of:
and S30, applying a force to make the clamping plate abut against the outer surface of the protective film.
Preferably, the package includes a card board, and the card board abuts against the outer surface of the protective film when the photoelectric conversion detection device is in the packaged state, and step S3 of the method for packaging a photoelectric conversion detection device includes the following steps:
and applying an acting force to press the clamping plate on the outer surface of the protective film so as to mutually press and fix the surface-mounted component and the base.
The positive progress effects of the invention are as follows:
the photoelectric conversion detection device provided by the invention has the advantages that the photosensitive element is covered with the thin protective film, so that the photosensitive element is prevented from being polluted by the outside, dust and water are prevented from being discharged, and the protective film has certain hardness and can prevent the internal structure of the protective film from being damaged due to impact. Correspondingly, the packaging method of the photoelectric conversion detection device forms a mounting component by the protective film and the photosensitive element, and the mounting component is fixed with the base to form an integral fixed structure, so that the photoelectric conversion detection device is convenient to use, and meanwhile, the packaging method also enables the photosensitive element to be more comprehensively and effectively protected.
Drawings
Fig. 1 is a schematic perspective view of a photoelectric conversion detection device according to a preferred embodiment of the invention.
Fig. 2 is a schematic structural diagram of a cross section of a photoelectric conversion detection device according to a preferred embodiment of the invention.
Fig. 3 is a flowchart illustrating a packaging method of a photoelectric conversion detection device according to a preferred embodiment of the invention.
Description of the reference numerals
Filler 5
Detailed Description
The present invention is further illustrated by the following preferred embodiments, but is not intended to be limited thereby.
As shown in fig. 1 and 2, the present invention provides a photoelectric conversion detection device, which includes a photosensitive element, and further includes: the protective film 1 covers the upper surface of the photosensitive element, and the outer edge of the protective film 1 is positioned outside the outer edge of the photosensitive element; the top of the base 2 is provided with a containing groove, and the photosensitive element and the protective film 1 are both positioned in the containing groove; and a package which acts on the protective film 1 and the base 2 to restrict the movement of the photosensitive element relative to the base 2.
The protective film 1 is a film with the thickness not more than 1 mm, and is made of a toughened glass film or a hard plastic film. The protective film 1 can prevent the photosensitive element from directly contacting with the outside, is waterproof and dustproof, and is prevented from being polluted by the outside, and the toughened or hard material can resist the impact to a certain degree. As can be seen from the above, the outer edge of the protective film 1 is located outside the outer edge of the photosensitive element, i.e., the protective film 1 needs to completely cover the photosensitive element. In this embodiment, the outer edge of the protection film 1 directly abuts against the inner wall surface of the accommodating groove, that is, the periphery of the protection film 1 is fixed to the accommodating groove, so as to prevent the mutual positions thereof from moving. In other embodiments, the protective film 1 may have any other size capable of completely covering the photosensitive element.
The package of the photoelectric conversion detection device comprises a filler 5, wherein the filler 5 is positioned in an area enclosed by the photosensitive element, the protective film 1 and the surface of the base 2 and used for fixing the photosensitive element in the base 2. The filler 5 can be any one of gel, glass cement, adhesive tape or elastic sponge. In the present embodiment, the filler 5 is a gel. The filler 5 protects the mutual fixation between the photosensitive element and the base 2 and enables them to adhere to each other, and the whole device is more firm. And because of the protection of the filler 5, the related connecting wires in the accommodating groove of the base 2 can be well protected, and the damage degree of the internal circuits can be minimized when collision and other impacts are generated. In other embodiments, the filler 5 may be a plastic plate, a wood plate, or a gypsum plate for multi-point supporting in the region enclosed between the photosensitive element, the protective film 1, and the surface of the base 2.
The base 2 includes a bottom plate 21 and a base main body 22, and the base main body 22 is provided with a containing groove, and the containing groove penetrates through the base main body 22. The bottom plate 21 is movably connected to the bottom of the base main body 22, and the accommodating groove is opened or closed from the bottom of the base main body 22, and the height of the photosensitive element is not greater than the depth of the accommodating groove.
The photosensitive element includes a main body 31 and a substrate 32, and an outer edge of the substrate 32 is located outside an outer edge of the main body 31. The substrate 32 is a metal plate or PCBA, and PCBA is used in this embodiment. The photosensitive element is an amorphous silicon photoelectric conversion detector, a complementary metal oxide semiconductor detector (CMOS) or a charge coupled device detector (CCD), and the amorphous silicon photoelectric conversion detector is used in this embodiment.
The package of the photoelectric conversion detection device further comprises a clamping plate 4, one end of the clamping plate 4 is connected to the surface of the base 2, and when the photoelectric conversion detection device is in a package state, namely the photoelectric conversion detector is packaged and fixed in the containing groove, the other end of the clamping plate 4 abuts against the outer surface of the protective film 1. The clamping plate 4 can ensure that the whole photoelectric conversion detector attached with the protective film 1 has better fixing effect through the compression of the clamping plate 4. In the present embodiment, the filler 5 is used in cooperation with the card 4. In other embodiments, only one of the fastening means of the card 4 and the filler 5 may be used.
As shown in fig. 3, the present invention further provides a method for packaging the photoelectric conversion detection device, where the method for packaging the photoelectric conversion detection device specifically includes the following steps:
102, applying external force to the bottom plate to open the accommodating groove;
103, placing the surface-mounted component in the accommodating groove, and acting on the bottom plate to close the accommodating groove;
104, applying an acting force to enable the clamping plate to abut against the outer surface of the protective film;
105, filling filler into an area enclosed by the surface of the mounting component and the surface of the base;
and 106, standing the photoelectric conversion detection device until the mounting assembly is fixed relative to the base.
The resting in step 106 is to allow the filling to function adequately, wherein: (1) when gel or glass cement is selected as the filler, the filler can be gradually solidified in the standing process, so that the mounted component can be more reliably fixed; (2) when selecting solid-state fillers such as elastic sponge as the filler, at the in-process that stews, the filler can expand or stretch at certain extent to can act on more reliably and paste dress subassembly and base, and then can fix more reliably and paste dress subassembly. The whole structure formed by the packaging method is convenient to use, and meanwhile, the photosensitive element is protected more comprehensively and effectively.
In other embodiments, if the filler is made of a material similar to gel, the same filling method as that of the present embodiment can be adopted; when using the solid filler such as the elastic sponge, the filler may be first put into the area surrounded by the surface of the mounting component and the base, and when the area is expanded or filled with the filler, the next operation may be performed (i.e., corresponding to step 106).
In an alternative embodiment, when the package includes only the filler, step 104 may be omitted;
in an alternative embodiment, when the package includes only the card, the step 105 may be omitted.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (16)
1. A photoelectric conversion detection device includes a photosensitive element, and is characterized in that the photoelectric conversion detection device further includes:
the protective film is covered on the upper surface of the photosensitive element, and the outer edge of the protective film is positioned outside the outer edge of the photosensitive element;
the top of the base is provided with a containing groove, and the photosensitive element and the protective film are positioned in the containing groove;
a package that acts on the protective film and the base to restrict movement of the photosensitive element relative to the base.
2. The photoelectric conversion detection device according to claim 1, wherein an outer edge of the protective film abuts against an inner wall surface of the accommodation groove.
3. The photoelectric conversion detection device according to claim 1, wherein the thickness of the protective film is not more than 1 mm.
4. The photoelectric conversion detection device according to claim 1, wherein the package includes a filler in an area surrounded by the photosensitive element, the protective film, and the surface of the base, for fixing the photosensitive element in the base, and the filler is gel, glass cement, a rubber strip, or elastic sponge.
5. The photoelectric conversion detection device according to claim 1, wherein the package includes a filler in an area surrounded by the photosensitive element, the protective film, and a surface of the base for fixing the photosensitive element in the base, and the filler is a plastic plate, a wood plate, or a gypsum plate.
6. The photoelectric conversion detection device according to claim 1, wherein the package comprises a card plate, one end of the card plate is connected to the surface of the base, and the other end of the card plate abuts against the outer surface of the protective film when the photoelectric conversion detection device is in the packaged state.
7. The photoelectric conversion detection device according to claim 1, wherein the base includes a bottom plate and a base body, the base body is provided with the receiving groove, the receiving groove penetrates through the base body, the bottom plate is movably connected to the bottom of the base body to open or close the receiving groove from the bottom of the base body, and the height of the photosensitive element is not greater than the depth of the receiving groove.
8. The photoelectric conversion detection apparatus according to claim 1, wherein the photosensitive element includes a main body and a substrate, an outer edge of the substrate being located outside an outer edge of the main body.
9. The photoelectric conversion detection device according to claim 8, wherein the substrate is a metal plate or PCBA.
10. The photoelectric conversion detection device according to claim 8, wherein the photosensitive element is an amorphous silicon photoelectric conversion detector, a CMOS or a CCD.
11. The photoelectric conversion detection device according to any one of claims 1 to 10, wherein the protective film is made of a tempered glass film or a hard plastic film.
12. A method for packaging a photoelectric conversion detection device according to claim 1, comprising the steps of:
s1, attaching the protective film to the upper surface of the photosensitive element to form an attached component;
s2, placing the mounting component in the containing groove;
and S3, enabling the packaging piece to act on the protective film and the base to limit the movement of the photosensitive element relative to the base.
13. The method of packaging a photoelectric conversion detecting device according to claim 12, wherein the base includes a bottom plate and a base main body, the base main body is provided with the receiving groove, the receiving groove penetrates through the base main body, the bottom plate is movably connected to the bottom of the base main body to open or close the receiving groove from the bottom of the base main body, the height of the photosensitive element is not greater than the depth of the receiving groove, and the step S2 includes the steps of:
step S21, applying external force to the bottom plate to open the accommodating groove;
step S22, placing the placement component in the receiving groove, and acting on the bottom plate to close the receiving groove.
14. The method for packaging a photoelectric conversion detection device according to claim 13, wherein the package includes a filler in an area surrounded by the photosensitive element, the protective film and the surface of the base, and the filler is a gel, a glass cement, a rubber strip or an elastic sponge, and the step S3 includes the steps of:
s31, filling the filler into an area surrounded by the surface of the mounting component and the base;
and S32, standing the photoelectric conversion detection device until the mounting assembly is fixed relative to the base.
15. The method for encapsulating a photoelectric conversion detection device according to claim 14, wherein the encapsulation member includes a card plate which abuts on an outer surface of the protective film when the photoelectric conversion detection device is in an encapsulated state, and the step S3 further includes, before the step S31, the steps of:
and S30, applying a force to make the clamping plate abut against the outer surface of the protective film.
16. The method of encapsulating a photoelectric conversion detection device according to claim 12, wherein the encapsulation includes a card plate that abuts on an outer surface of the protective film when the photoelectric conversion detection device is in an encapsulated state, and the step S3 includes the steps of:
and applying an acting force to press the clamping plate on the outer surface of the protective film so as to mutually press and fix the surface-mounted component and the base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244780.7A CN111751331A (en) | 2019-03-28 | 2019-03-28 | Photoelectric conversion detection device and packaging method thereof |
| PCT/CN2020/076529 WO2020192330A1 (en) | 2019-03-28 | 2020-02-25 | Photoelectric conversion detection device and packaging method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244780.7A CN111751331A (en) | 2019-03-28 | 2019-03-28 | Photoelectric conversion detection device and packaging method thereof |
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| Publication Number | Publication Date |
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| CN111751331A true CN111751331A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910244780.7A Pending CN111751331A (en) | 2019-03-28 | 2019-03-28 | Photoelectric conversion detection device and packaging method thereof |
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| CN (1) | CN111751331A (en) |
| WO (1) | WO2020192330A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201104747A (en) * | 2009-07-29 | 2011-02-01 | Kingpak Tech Inc | Image sensor package structure |
| CN101915934B (en) * | 2010-07-09 | 2012-08-08 | 江苏康众数字医疗设备有限公司 | Flat-panel detector structure |
| CN202256340U (en) * | 2011-09-13 | 2012-05-30 | 南方医科大学珠江医院 | Piece pressing clip for water absorption pad experiment |
| CN202512120U (en) * | 2011-12-30 | 2012-10-31 | 国家纳米科学中心 | Device for protein immunoblotting |
| US20130235262A1 (en) * | 2012-03-12 | 2013-09-12 | Allen Chao | Method for packaging image sensor structure and image sensor structure formed from the same |
| CN202975017U (en) * | 2012-12-16 | 2013-06-05 | 佳木斯大学 | Glass slide base special for immunofluorescence |
| CN205293466U (en) * | 2015-12-27 | 2016-06-08 | 荣成鸿德海洋生物科技有限公司 | Biochip stores box |
| CN206332026U (en) * | 2016-09-26 | 2017-07-14 | 上海奕瑞光电子科技有限公司 | The edge seal structure of flat panel detector |
| CN207408417U (en) * | 2017-10-31 | 2018-05-25 | 长江大学 | A kind of Western blotting exposure box |
| CN209858432U (en) * | 2019-03-28 | 2019-12-27 | 上海易孛特光电技术有限公司 | Photoelectric conversion detection device |
-
2019
- 2019-03-28 CN CN201910244780.7A patent/CN111751331A/en active Pending
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2020
- 2020-02-25 WO PCT/CN2020/076529 patent/WO2020192330A1/en active Application Filing
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