CN220820312U - 48PIN gas tightness four send out four receipts optical module - Google Patents
48PIN gas tightness four send out four receipts optical module Download PDFInfo
- Publication number
- CN220820312U CN220820312U CN202322740674.2U CN202322740674U CN220820312U CN 220820312 U CN220820312 U CN 220820312U CN 202322740674 U CN202322740674 U CN 202322740674U CN 220820312 U CN220820312 U CN 220820312U
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- shell
- ceramic base
- optical fiber
- pcb
- fiber array
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Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 229910000679 solder Inorganic materials 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 7
- 229920006335 epoxy glue Polymers 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000003292 glue Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a 48PIN airtight four-transmitting four-receiving optical module, which comprises: the shell comprises a metal shell, a metal upper cover and a ceramic base, wherein the metal upper cover and the ceramic base are respectively used for sealing the upper port and the lower port of the metal shell; a PCB and an optical fiber array are arranged in the shell, a four-transmitting and four-receiving photoelectric chip coupled with the optical fiber array is fixed on the PCB, a metallized via hole is arranged on the ceramic base, and a PIN connector electrically connected with the PCB is fixed in the metallized via hole through solder gas seal; the metallized optical fibers on the optical fiber array are passed out through the fiber outlet on the shell and hermetically welded by the sealing junction. The beneficial effects are as follows: the whole light module has the advantages that the whole air tightness is effectively improved under the condition that the performance of a product is not sacrificed, the applicable scene is wider, and the light module is applicable to the scene where the existing product is not applicable.
Description
Technical Field
The utility model relates to the field of optical modules, in particular to a 48PIN airtight four-transmitting four-receiving optical module.
Background
The 48PIN four-transmitting and four-receiving module in the prior art comprises: the casing, and the PCB board, four receipts photoelectric chips of four sending and four receiving and fiber array of encapsulation in the casing to four send four receipts photoelectric chips use fiber array to couple, and the casing then contains: the optical fiber package comprises a shell, an upper cover and a ceramic base, wherein the upper cover and the ceramic base are respectively used for sealing an upper port and a lower port of the shell, the upper cover and the ceramic base are respectively bonded and sealed with the shell by using glue, a frame selection area in fig. 1 is a gluing area, in addition, optical fibers on an optical fiber array penetrate out from a fiber outlet on a shell and are hermetically sealed by using glue, and the glue cannot achieve the function and the requirement of airtight packaging, so that the product is assembled in a non-airtight packaging mode, cannot be used in certain special occasions, and cannot meet the requirement of customers.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a 48PIN airtight four-transmitting four-receiving optical module so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a 48PIN airtight four-transmit four-receive optical module comprising: the shell comprises a metal shell, a metal upper cover and a ceramic base, wherein the metal upper cover and the ceramic base are respectively used for sealing the upper port and the lower port of the metal shell; a PCB and an optical fiber array are arranged in the shell, a four-transmitting and four-receiving photoelectric chip coupled with the optical fiber array is fixed on the PCB, a metallized via hole is arranged on the ceramic base, and a PI N connector electrically connected with the PCB is fixed in the metallized via hole through solder gas seal; the metallized optical fibers on the optical fiber array are passed out through the fiber outlet on the shell and hermetically welded by the sealing junction.
The beneficial effects of the utility model are as follows:
The metal upper cover and the metal shell are hermetically welded by adopting parallel seal welding, and the ceramic base and the metal shell are hermetically welded by adopting parallel seal welding, so that the air tightness is better compared with the glue adhesion;
The metallized via hole and the solder in the metallized via hole are matched together, so that the connection and airtight packaging between the PI N connector and the ceramic base can be ensured, the PI N connector and the client board card are connected in a soldering manner, the connection is more reliable, and the contact is better;
The optical fibers on the optical fiber array are metallized optical fibers, and the metallized optical fibers penetrate out through fiber outlets on the shell and are hermetically welded by using low-temperature solder;
The whole light module has the advantages that the whole air tightness is effectively improved under the condition that the performance of a product is not sacrificed, the applicable scene is wider, and the light module is applicable in the scene where the existing product is not applicable;
The packaging steps are as follows: ceramic base-PI N connector, PCB board, four receipts photoelectric chip, fiber array-metal casing-metallized fiber coupling-sealed junction seal-metal upper cover seal welding, and the three-section assembly has guaranteed that production is simple, high-efficient, swift.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the metallized optical fibers on the optical fiber array are penetrated out through the fiber outlet on the shell and hermetically welded by using a sealing junction and low-temperature solder.
The adoption of the method has the further beneficial effects that: the air tightness can be further ensured.
Further, the PCB is bonded on the ceramic base through epoxy resin glue.
The adoption of the method has the further beneficial effects that: the PCB is independent of the ceramic base.
Further, a ceramic cushion block is arranged between the optical fiber array and the ceramic base.
The adoption of the method has the further beneficial effects that: the processing difficulty of suppliers is reduced, the yield of the production of the suppliers is improved, and the cost is reduced.
Further, a metallized optical fiber is connected to the MT ferrule.
Drawings
Fig. 1 is a front view of a 48PI N airtight four-transmit four-receive optical module in the present utility model;
fig. 2 is a top view of a 48PI N airtight four-transmit four-receive optical module in the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. The device comprises a shell, 110, a metal shell, 120, a ceramic base, 130, a metal upper cover, 2, a sealing junction, 3, a metalized fiber, 4, an MT ferrule and 5, a PI N connector.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1 and 2, a 48PI N airtight four-transmit four-receive optical module includes: housing 1, housing 1 contains: a metal housing 110, a metal upper cover 130 and a ceramic base 120, wherein the metal upper cover 130 and the ceramic base 120 respectively seal upper and lower ports of the metal housing 110; the metal upper cover 130 and the metal shell 110 are hermetically welded by adopting parallel seal welding, and the ceramic base 120 and the metal shell 110 are hermetically welded by adopting parallel seal welding, so that the air tightness is better compared with the glue adhesion, and the ceramic base can be used for some special occasions to meet the requirements of customers;
The PCB and the optical fiber array are arranged in the shell 1, the four-transmitting and four-receiving photoelectric chip coupled with the optical fiber array is fixed on the PCB, the ceramic base 120 is provided with a metallized via hole, the PI N connector 5 electrically connected with the PCB is fixed in the metallized via hole through solder gas seal, the metallized via hole and the solder in the metallized via hole are matched together, the connection and gas-tight encapsulation between the PI N connector 5 and the ceramic base 120 can be ensured, the PI N connector 5 and a client board card are connected in a tin soldering mode, the connection is more reliable, and the contact is better;
The metallized optical fibers 3 on the optical fiber array pass through the fiber outlet on the shell 1 and are hermetically welded by the sealing junction 2;
Under the condition of not sacrificing the performance of the product, the overall air tightness is effectively improved, the applicable scene is wider, and the optical module is applicable to the scene where the existing product is not applicable.
Example 2
As shown in fig. 1 and 2, this embodiment is a further improvement of the embodiment 1, and specifically includes the following steps:
The metallized optical fibers 3 on the optical fiber array pass through the fiber outlet on the shell 1 and are hermetically welded by the sealing junction 2 and low-temperature solder, so that the air tightness can be effectively ensured.
Example 3
This example is a further improvement over examples 1 or 2, and is specifically as follows:
The PCB board is bonded to the ceramic base 120 by epoxy glue.
Example 4
This example is a further improvement over examples 1 or 2 or 3, and is specifically as follows:
And a ceramic cushion block is arranged between the optical fiber array and the ceramic base 120, so that the processing difficulty of suppliers is reduced, the yield of the suppliers is improved, and the cost is reduced.
Example 5
As shown in fig. 1 and 2, this embodiment is a further improvement of any one of embodiments 1 to 4, and specifically includes the following:
the metallized optical fiber 3 is connected to the MT ferrule 4.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (5)
1. A 48PIN airtight four-transmit four-receive optical module, comprising: the shell (1), the shell (1) comprises a metal shell (110), and a metal upper cover (130) and a ceramic base (120) which are respectively used for sealing the upper port and the lower port of the metal shell (110), wherein the metal upper cover (130) and the metal shell (110) are hermetically welded by adopting parallel seal welding, and the ceramic base (120) and the metal shell (110) are hermetically welded by adopting parallel seal welding; a PCB and an optical fiber array are arranged in the shell (1), a four-transmitting and four-receiving photoelectric chip coupled with the optical fiber array is fixed on the PCB, a metallized via hole is formed in the ceramic base (120), and a PIN connector (5) electrically connected with the PCB is fixed in the metallized via hole through solder in a gas-tight manner; the metallized optical fibers (3) on the optical fiber array penetrate through fiber outlets on the shell (1) and are hermetically welded by the sealing knot (2).
2. A 48PIN airtight four-transmit four-receive optical module according to claim 1, wherein the metallized optical fibers (3) on the optical fiber array are passed out through fiber outlets on the housing (1) and are hermetically soldered by using a sealing junction (2) with low temperature solder.
3. The 48PIN airtight four-transmitting four-receiving module according to claim 1, wherein the PCB is bonded to the ceramic base (120) by epoxy glue.
4. The 48PIN airtight four-transmit four-receive optical module according to claim 1, wherein a ceramic spacer is disposed between the optical fiber array and the ceramic base (120).
5. A 48PIN airtight four-transmit four-receive optical module according to claim 1, characterized in that the metallized optical fiber (3) is connected to an MT ferrule (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740674.2U CN220820312U (en) | 2023-10-11 | 2023-10-11 | 48PIN gas tightness four send out four receipts optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740674.2U CN220820312U (en) | 2023-10-11 | 2023-10-11 | 48PIN gas tightness four send out four receipts optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220820312U true CN220820312U (en) | 2024-04-19 |
Family
ID=90670910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322740674.2U Active CN220820312U (en) | 2023-10-11 | 2023-10-11 | 48PIN gas tightness four send out four receipts optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220820312U (en) |
-
2023
- 2023-10-11 CN CN202322740674.2U patent/CN220820312U/en active Active
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