CN220172574U - Coaxial packaging copper tube sealing cap structure - Google Patents
Coaxial packaging copper tube sealing cap structure Download PDFInfo
- Publication number
- CN220172574U CN220172574U CN202321750552.5U CN202321750552U CN220172574U CN 220172574 U CN220172574 U CN 220172574U CN 202321750552 U CN202321750552 U CN 202321750552U CN 220172574 U CN220172574 U CN 220172574U
- Authority
- CN
- China
- Prior art keywords
- glass lens
- metal shell
- cap structure
- copper tube
- sealing cap
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 23
- 239000010949 copper Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 title claims abstract description 12
- 238000004806 packaging method and process Methods 0.000 title abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 229920006335 epoxy glue Polymers 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910000833 kovar Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The utility model discloses a coaxial packaging copper tube sealing cap structure, which relates to the field of tube caps and comprises a glass lens and a metal shell which is formed by stamping, wherein the top of the metal shell is in an open arrangement, the inside of the metal shell is in a hollow arrangement, the bottom of the metal shell is provided with a light hole, the surface of the glass lens is plated with an AR film, the glass lens is placed in the metal shell and corresponds to the light hole, and a high-temperature-resistant epoxy glue filling is arranged between the glass lens and an inner cavity of the metal shell to form an airtight cavity.
Description
Technical Field
The utility model belongs to the field of pipe caps, and particularly relates to a coaxial packaging copper pipe cap structure.
Background
Glass sintering matched sealing tube shell: the kovar tube shell is a ternary alloy material, the main components of the kovar tube shell are iron, cobalt and nickel, and the thermal expansion coefficient is 48-7-50-10-7. It can be sealed with molybdenum glass, and is usually hard glass such as DM305 or DM 308. The above two molybdenum glasses and the thermal expansion coefficient were also in the range of 48 x 10-7 to 50 x 10-7.
The disadvantages of this are: the process is complex, the requirement on the expansion coefficient of the material is high, high equipment investment of a high-temperature atmosphere melting sealing furnace is required, and the shell machining and the material cost are high; the cost of single coating is high and is not matched with the expansion coefficient of the copper base.
Therefore, we propose a manufacturing method of a copper-encapsulated cap structure for coaxial packaging to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of complex process, high requirement on the expansion coefficient of materials, high equipment investment of a high-temperature atmosphere fusion sealing furnace, high shell machining and high material cost; the utility model provides a coaxial packaging copper tube sealing cap structure, which has the problems of high single coating cost and unmatched expansion coefficient of a copper base.
The utility model solves the technical problems by adopting the scheme that: the utility model provides a coaxial encapsulation copper tube sealing cap structure, includes glass lens and stamping forming's metal casing, metal casing's top is uncovered setting, and its inside is the cavity setting, and metal casing's bottom is provided with the light trap.
The surface of the glass lens is plated with an AR film, the glass lens is placed in the metal shell and corresponds to the light holes, and high-temperature-resistant epoxy glue filling is arranged between the glass lens and the inner cavity of the metal shell to form an airtight cavity.
As a preferable technical scheme of the utility model, the metal shell is stamped from copper material.
In a preferred embodiment of the present utility model, the glass lens has a rectangular planar surface and a rectangular cross section.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the copper metal shell is easy to weld with the copper base, so that the air tightness is ensured, the glass lens is cut after being integrally plated with the AR film, and the high-temperature-resistant epoxy glue filling and the copper shell are used for forming an air tightness cavity, so that the heat dissipation and air tightness of the device are ensured, the light transmittance is high, and the strength and the air tightness of the device after the base is welded by the matched expansion coefficients are obviously improved.
2. The special glass lens has high transmission rate and good consistency.
3. The utility model has the advantages of stamping the metal shell, reducing the machining cost and realizing mass production efficiency, reducing the process complexity, improving the production efficiency and reducing the cost.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
fig. 3 is a schematic top view of the present utility model.
In the figure: 1 metal shell, 2 glass lens, 3 light holes, 4 high temperature resistant epoxy glue.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1-3, the utility model provides a technical scheme of a coaxial packaging copper tube sealing cap structure:
embodiment one:
according to the illustration of fig. 1-3, including glass lens 2 and stamping forming's metal casing 1, metal casing 1 adopts the punching press of copper material to form, and batch production efficiency is high, expansion coefficient is close the base, and metal casing 1's top is open setting, and its inside is the cavity setting, and metal casing 1's bottom is provided with light trap 3.
The overlooking surface of the glass lens 2 is rectangular, the cross section of the overlooking surface is rectangular, the surface of the glass lens 2 is plated with a layer of AR film, the glass lens 2 is placed in the metal shell 1 and corresponds to the light holes 3, the consistency of the glass lens 2 is good, the requirement of high-speed signal transmission performance of light beams is met, the high-temperature-resistant epoxy glue filling 4 is arranged between the glass lens 2 and the inner cavity of the metal shell 1, an airtight cavity is formed, and the high-temperature-resistant epoxy glue filling 4 is low in curing temperature, high in high-temperature resistance, good in sealing strength and convenient to operate.
A manufacturing method of a coaxial packaging copper tube sealing cap structure comprises the following steps:
s1, forming an AR film with improved transmittance on the surface of special optical glass through vacuum coating, and cutting the AR film into a required size by using cutting equipment to obtain a glass lens 22 with the AR film;
s2, sleeving a copper metal shell 11 on a die, then embedding a glass lens 22 in a positioning hole of the metal shell 11, and placing high-temperature-resistant epoxy glue-pouring 44 in inner cavities of the glass lens 22 and the metal shell 11 to form a blank;
s3, placing the blank manufactured in the step S2 into a specific high-temperature furnace, setting the temperature in the furnace to be 100-200 ℃, and baking for 30-90 min for baking;
s4, enabling the high-temperature-resistant epoxy glue-pouring 44 to flow at the gap between the glass lens 22 and the positioning hole of the metal shell 11, gradually filling the gap and forming a wetting angle on the surface of the glass lens 22 under the action of surface tension and self gravity;
s5, finally forming a pipe cap with the optical window of the glass lens 22 together with the glass lens 22 and the metal shell 11.
To sum up: according to the utility model, the copper metal shell 11 is easy to weld with a copper base, so that the air tightness is ensured, the glass lens 22 is cut after being integrally coated with an AR film, and the high-temperature-resistant epoxy glue filling 44 and the copper shell 11 are used for forming an air tightness cavity, so that the heat dissipation, the air tightness and the high light transmittance of the device are ensured, and the strength and the air tightness of the device after welding the base with the matched expansion coefficients are obviously improved.
Claims (3)
1. The utility model provides a coaxial encapsulation copper tube sealing cap structure, includes glass lens and stamping forming's metal casing, metal casing's top is uncovered setting, and its inside is the cavity setting, and metal casing's bottom is provided with light trap, its characterized in that: the surface of the glass lens is plated with an AR film, the glass lens is placed in the metal shell and corresponds to the light holes, and high-temperature-resistant epoxy glue filling is arranged between the glass lens and the inner cavity of the metal shell to form an airtight cavity.
2. The coaxially packaged copper tube cap structure of claim 1, wherein: the metal shell is formed by stamping copper materials.
3. The coaxially packaged copper tube cap structure of claim 1, wherein: the top surface of the glass lens is rectangular, and the cross section of the glass lens is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750552.5U CN220172574U (en) | 2023-07-05 | 2023-07-05 | Coaxial packaging copper tube sealing cap structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750552.5U CN220172574U (en) | 2023-07-05 | 2023-07-05 | Coaxial packaging copper tube sealing cap structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220172574U true CN220172574U (en) | 2023-12-12 |
Family
ID=89068280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321750552.5U Active CN220172574U (en) | 2023-07-05 | 2023-07-05 | Coaxial packaging copper tube sealing cap structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220172574U (en) |
-
2023
- 2023-07-05 CN CN202321750552.5U patent/CN220172574U/en active Active
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