CN112289876A - Metal tube shell structure for packaging optical window - Google Patents
Metal tube shell structure for packaging optical window Download PDFInfo
- Publication number
- CN112289876A CN112289876A CN202011240561.0A CN202011240561A CN112289876A CN 112289876 A CN112289876 A CN 112289876A CN 202011240561 A CN202011240561 A CN 202011240561A CN 112289876 A CN112289876 A CN 112289876A
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- China
- Prior art keywords
- base
- light
- tube shell
- metal tube
- optical window
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- 239000002184 metal Substances 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title claims abstract description 35
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 11
- 238000003698 laser cutting Methods 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 238000010329 laser etching Methods 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000011161 development Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0203—Containers; Encapsulations, e.g. encapsulation of photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02325—Optical elements or arrangements associated with the device the optical elements not being integrated nor being directly associated with the device
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a metal tube shell structure for packaging an optical window, which has the technical scheme that the metal tube shell structure comprises a base, wherein a vertical tube barrel is arranged on the base, and an optical through hole penetrating through the base is formed in the middle of the tube barrel. The light window metal tube shell of this patent can solve the regional problem of being in the light in traditional TO tube shell upper portion indent border, improves photoelectric device's light utilization ratio. When the packaging optical window is manufactured, the window lens is arranged above the metal tube shell, and the packaging optical window can be compatible with various optical window lenses, such as lens structures of flat windows, hemispheres, aspheric surfaces, Fresnel lenses and the like, and can meet application requirements of different light-emitting effects, light-emitting angles and the like. The number of metal piece molds is reduced, the manufacturing and maintenance cost and time are saved, the development cost and the development period of product series are greatly saved, and batch and standardized production is easy.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a metal tube shell structure for packaging an optical window.
[ background of the invention ]
In the process of packaging the photoelectric element, a proper packaging optical window is needed. The TO type optical window metal tube cap is an important packaging optical window in photoelectric detector packaging, and is widely applied. The upper part of the traditional TO metal tube shell extends inwards, a light blocking dark area is formed for a wide-angle light-emitting device, as shown in figure 1, the light output quantity is reduced, and the utilization of effective light is influenced.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides a metal tube shell structure for a packaging optical window, which can improve the light utilization rate of a photoelectric device.
The invention is realized by the following technical scheme:
the utility model provides a encapsulation optical window metal tube shell structure which characterized in that: including base 1, be equipped with vertical tub of 2 on base 1 the middle part of tub of 2 is equipped with and runs through base 1's logical unthreaded hole 3.
The metal tube shell structure for packaging the optical window is characterized in that: the wall thickness of the tube barrel 2 is larger than that of the base 1.
The metal tube shell structure for packaging the optical window is characterized in that: the base 1 is in a plane shape.
The metal tube shell structure for packaging the optical window is characterized in that: the base 1 is provided with an inwards concave step 4, so that a cavity 5 is formed inside the base 1, and the pipe barrel 2 is arranged on the step 4.
The metal tube shell structure for packaging the optical window is characterized in that: the packaging optical window metal tube shell is manufactured by extrusion, stamping and one-step forming or machining.
The metal tube shell structure for packaging the optical window is characterized in that: the tube barrel 2 is manufactured by adopting laser cutting or machining or punching, and the base 1 is manufactured by adopting laser cutting or etching or punching and stretching.
The metal tube shell structure for packaging the optical window is characterized in that: the packaging optical window metal tube shell is formed by combining the tube barrel 2 and the base 1 through resistance welding or laser welding or brazing.
Compared with the prior art, the invention has the following advantages:
1. the light window metal tube shell of this patent can solve the regional problem of being in the light in traditional TO tube shell upper portion indent border, improves photoelectric device's light utilization ratio.
2. The light window metal tube shell of this patent, when the preparation encapsulation light window, places window lens in metal tube shell top, can compatible multiple light window lens, like lens structures such as flat window, hemispherical, aspheric surface, fresnel lens, realize application demands such as different light-emitting light efficiencies, light-emitting angle. The number of metal piece molds is reduced, the manufacturing and maintenance cost and time are saved, the development cost and the development period of product series are greatly saved, and batch and standardized production is easy.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the optical path of a conventional TO-type optical window metal cap, in which the shaded area is a light-shielding area;
FIG. 2 is a schematic diagram of an optical path according to a first embodiment of the present invention;
FIG. 3 is a schematic optical path diagram of a second embodiment of the present invention;
FIG. 4 is an exploded view of a first embodiment of the present invention;
fig. 5 is an exploded view of a second embodiment of the present invention.
In the figure: 1 is a base; 2 is a tube barrel; 3 is a light through hole; 4 is a step; 5 is a cavity; and 6 is a chip.
[ detailed description ] embodiments
The technical features of the present invention will be described in further detail with reference to the accompanying drawings so that those skilled in the art can understand the technical features.
A metal tube shell structure for packaging an optical window is shown in figures 2 to 5 and comprises a base 1, wherein a vertical tube barrel 2 is arranged on the base 1, and an optical through hole 3 penetrating through the base 1 is formed in the middle of the tube barrel 2.
As shown in fig. 2 and 3, the barrel 2 of the present patent is not extended inward any more, so that the problem of light blocking in the concave edge region on the upper portion of the conventional TO tube shell can be avoided, the angle range of the light emitted or received by the chip 6 is greatly increased, and the light utilization rate of the photoelectric device is effectively increased.
In the above metal tube shell structure for packaging the light window, the wall thickness of the tube barrel 2 is greater than that of the base 1. The thick tube wall of the tube barrel 2 is used for having enough transverse combination area when being welded and welded with the lens material, ensuring firm and airtight sealing and improving the welding reliability.
The thin bottom edge of the base 1 can ensure that the device is convenient for electric resistance welding, laser welding and other packaging modes during packaging. There are two embodiments of the base 1.
The first embodiment is as follows: the base 1 is in a plane shape, and the plane base is used for packaging a substrate support with a cavity or a welding area on the bottom surface of the substrate support enough for large devices.
Example two: the base 1 is provided with an inwards concave step 4, so that a cavity 5 is formed inside the base 1, and the pipe barrel 2 is arranged on the step 4. The base 1 with the concave steps is used for packaging devices of a flat substrate support with a small welding area on the bottom surface.
In the structure of the metal tube with the encapsulated light window, the implementation method of the metal tube with the encapsulated light window comprises the following steps: formed in one piece by extrusion-pressing or machined as shown in fig. 2 and 3.
The second implementation method comprises the following steps: the manufacturing method comprises the steps of firstly manufacturing the tube barrel 2 and the base 1, wherein the tube barrel 2 is manufactured by adopting laser cutting or machining or stamping, and the base 1 is manufactured by adopting laser cutting or etching or stamping and stretching. The tube barrel 2 and the base 1 are assembled into a metal tube shell of the encapsulated light window by resistance welding or laser welding or soldering, as shown in fig. 4 and 5.
The optical window metal tube shell of this patent, when the preparation encapsulation optical window, places window lens in metal tube shell 1 top, can compatible multiple optical window lens, like lens structures such as flat window, hemispherical, aspheric surface, fresnel lens, realize application demands such as different light-emitting light efficiencies, light-emitting angle. The number of metal piece molds is reduced, the mold manufacturing and maintenance cost and time are saved, the development cost and the development period of product series are greatly saved, and batch and standardized production is easy.
The optical window metal shell structure of this patent is applicable to wide angle luminescent device and encapsulates like ultraviolet LED, also can be applied and components and parts encapsulation in fields such as detector, sensor, photoelectric communication. Aims to provide a metal tube shell with high light efficiency utilization, and promote the rapid large-scale market application of related light-emitting devices (such as UV LEDs), photoelectric detectors and optical communication device products.
The embodiment of the present invention is described only for the preferred embodiment of the present invention, and not for the purpose of limiting the spirit and scope of the invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a encapsulation optical window metal tube shell structure which characterized in that: the device comprises a base (1), wherein a vertical pipe barrel (2) is arranged on the base (1), and a light through hole (3) penetrating through the base (1) is formed in the middle of the pipe barrel (2).
2. The package light window metal package structure of claim 1, wherein: the wall thickness of the tube barrel (2) is larger than that of the base (1).
3. The package light window metal package structure of claim 2, wherein: the base (1) is in a plane shape.
4. The package light window metal package structure of claim 2, wherein: the base (1) on be equipped with indent step (4), make base (1) inside formation cavity (5), pipe bucket (2) are established step (4) on.
5. The encapsulated light window metal package structure of claim 3 or 4, wherein: the packaging optical window metal tube shell is manufactured by extrusion, stamping and one-step forming or machining.
6. The encapsulated light window metal package structure of claim 3 or 4, wherein: the tube barrel (2) is manufactured by adopting laser cutting or machining or punching, and the base (1) is manufactured by adopting laser cutting or etching or punching and stretching.
7. The package light window metal package structure of claim 6, wherein: the packaging optical window metal tube shell is formed by combining the tube barrel (2) and the base (1) through resistance welding or laser welding or brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240561.0A CN112289876A (en) | 2020-11-09 | 2020-11-09 | Metal tube shell structure for packaging optical window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240561.0A CN112289876A (en) | 2020-11-09 | 2020-11-09 | Metal tube shell structure for packaging optical window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112289876A true CN112289876A (en) | 2021-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240561.0A Pending CN112289876A (en) | 2020-11-09 | 2020-11-09 | Metal tube shell structure for packaging optical window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112289876A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883418A (en) * | 2022-04-05 | 2022-08-09 | 昆明物理研究所 | Anti high light window that carries of anti-high of multilayer buffering formula |
-
2020
- 2020-11-09 CN CN202011240561.0A patent/CN112289876A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883418A (en) * | 2022-04-05 | 2022-08-09 | 昆明物理研究所 | Anti high light window that carries of anti-high of multilayer buffering formula |
| CN114883418B (en) * | 2022-04-05 | 2023-11-24 | 昆明物理研究所 | Multilayer buffer type high overload resistant light window |
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