CN217133427U - Packaging shell - Google Patents
Packaging shell Download PDFInfo
- Publication number
- CN217133427U CN217133427U CN202220726774.2U CN202220726774U CN217133427U CN 217133427 U CN217133427 U CN 217133427U CN 202220726774 U CN202220726774 U CN 202220726774U CN 217133427 U CN217133427 U CN 217133427U
- Authority
- CN
- China
- Prior art keywords
- wall body
- wall
- optical window
- side wall
- window support
- 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.)
- Active
Links
Images
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model discloses a packaging shell. The light window comprises a bottom plate, a cover plate, a wall body, a light window support and ceramics, wherein the wall body is fixed on the bottom plate, the cover plate is fixed at the top of the wall body, the periphery of the wall body is sealed, the light window support is positioned on a first side wall of the wall body, the light window support and the wall body are integrally formed, the light window is installed in a window of the light window support, the ceramics are installed on a second side wall opposite to the first side wall, and the bottom plate, the cover plate, the wall body and the ceramics form a cavity for packaging. The utility model discloses a light window support and wall body integrated into one piece need not assembly welding, reduce an assembly process and welding process, have shortened production cycle, reduce part cost and product finished product, have also reduced the gas leakage risk that the part produced because of the welding simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the electronic product encapsulation, concretely relates to encapsulation casing.
Background
The optical fiber communication packaging shell is used for packaging photoelectric transmitting and receiving devices for signal transmission at a speed of more than 2.5Gbps, provides optical paths, electric paths, heat transfer, mechanical support and airtight environment protection for the photoelectric transmitting and receiving devices, and is developed towards miniaturization, high transmission speed, high density and multi-pin. The low cost, high quality, short delivery period and the external dimension meeting the international standard are all necessary conditions for miniaturization; the optical window medium which is stable, reliable and high in light transmittance is the basic requirement of optical signal transmission; the integration level of components is higher and higher, the number of pins of a packaging shell is required to be more and more, the pin pitch is smaller and smaller, and multi-pin packaging is a great characteristic of the existing optical fiber communication packaging.
The traditional optical communication packaging shell is composed of a bottom plate, a metal wall body, a ceramic piece and an optical window support, wherein the metal wall body and the optical window support are two independent parts, and the optical window support is embedded in a through hole in the wall body in a welding mode during assembly. Parts such as metal wall body, light window support are less, connect through welded mode, and not only the assembly is difficult, and require height to part cooperation size precision, and the processing cost is high. With the rapid development of the optical fiber communication field, a package housing with low cost, high quality and high reliability has become a market demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a packaging shell with simple packaging and low cost.
The utility model adopts the technical proposal that: the utility model provides an encapsulation casing, includes bottom plate, apron, wall body, optical window support and pottery, on the wall body was fixed in the bottom plate, the apron was fixed in the wall body top, the wall body seals all around, the optical window support is located the first lateral wall of wall body, optical window support and wall body integrated into one piece install the optical window in the window of optical window support, pottery is installed on the second lateral wall relative with first lateral wall, bottom plate, apron, wall body and pottery constitute the cavity that is used for the encapsulation.
Furthermore, a sealing ring is arranged between the top of the wall body and the cover plate.
Furthermore, a through hole is formed in the first side wall, the optical window support is of a cylindrical structure, and the end face of the optical window support and the edge of the through hole are integrally connected and formed.
Furthermore, the position that the inner wall of the optical window bracket is connected with the through hole is provided with a limiting ring, the optical window is positioned in the through hole, and one side edge of the optical window is in limiting contact with the limiting ring.
Furthermore, the ceramic bottom is fixedly connected with the top of the second side wall, two sides of the ceramic are fixedly connected with one side of the third side wall and one side of the fourth side wall which are opposite to the wall respectively, and the top of the ceramic is flush with the top of the wall.
Furthermore, the ceramic comprises a bottom and a top, the bottom is of a plate-shaped structure, the bottom surface of the bottom is fixedly connected with the top of the second side wall, and two sides of the side surface of the bottom are fixedly connected with the bottoms of one sides of the third side wall and the fourth side wall opposite to the wall respectively; the top is U type structure, and the U type open end at top is towards first lateral wall direction, and the both sides of open end at top are respectively with one side upper end fixed connection of third lateral wall and fourth lateral wall.
The utility model discloses a light window support and wall body integrated into one piece need not assembly welding, reduce an assembly process and welding process, have shortened production cycle, reduce part cost and product finished product, have also reduced the gas leakage risk that the part produced because of the welding simultaneously.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an explosion diagram of the present invention.
Fig. 3 is a longitudinal sectional view of the present invention.
In the figure, 1-base plate; 2, a wall body; 2.1 — a first sidewall; 2.2-a second side wall; 2.3-a third side wall; 2.4-a fourth sidewall; 2.5-through holes; 3-a light window holder; 3.1-a limit ring; 4-ceramic; 4.1-top; 4.2-bottom; 5-sealing ring; 6-light window.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1-3, the utility model provides an encapsulation casing, including bottom plate 1, apron (not shown in the figure apron), wall body 2, optical window support 3 and pottery 4, on wall body 2 was fixed in bottom plate 1, the apron was fixed in 2 tops of wall body, wall body 2 seals all around, optical window support 3 was located wall body 2's first lateral wall 2.1, optical window support 3 and wall body 2 integrated into one piece, installation optical window 6 in optical window support 3's the window, pottery 4 is installed on 2.2 with first lateral wall 2.1 relative second lateral wall, bottom plate 1, apron, wall body 2 and pottery 4 constitute the seal chamber who is used for the encapsulation.
The utility model discloses light window support 3 uses powder metallurgy injection technology with wall body 2 and synthesizes a part injection moulding with 2 original parts, need not assembly welding, reduces an assembly process and welding process, has shortened production cycle, reduces part cost and product finished product, has also reduced the processing degree of difficulty, avoids the stress concentration that the wire-electrode cutting notch introduced, improves the reliability of encapsulation shell, practices thrift the processing cost. The utility model is used for encapsulate speed signal transmission's photoelectric emission more than 2.5Gbps, receiving device, provide light path, electric path, heat transfer, mechanical support and airtight environmental protection for photoelectric emission, receiving device.
The utility model discloses the top of the shell after bottom plate 1, wall body 2 and pottery 4 surround carries out parallel seam welding with the apron, makes up into closed cavity, provides mechanical support and airtight protection for the device.
In the scheme, a sealing ring 5 is arranged between the top of the wall body 2 and the cover plate. The top welding of pottery 4 and wall body 3 has seal ring 5, the apron encapsulate in seal ring 5 is last, and pottery 4 and wall body 2 are earlier as an organic whole through seal ring 5 welding, carries out the apron installation again, and sealing performance is better.
In the above scheme, the first side wall 2.1 is provided with the through hole 2.5, the optical window support is of a through cylindrical structure, after the end face of the optical window support 3 and the edge of the through hole 2.5 are integrally connected and formed, the through hole 2.5 coincides with the through hole (namely, the window) of the optical window support 3, the optical window 6 is located in the through hole 2.5 (the window), the position where the inner wall of the optical window support 3 is connected with the through hole 2.5 is provided with the limiting ring 3.1, and one side edge of the optical window 6 is in limiting contact with the limiting ring 3.1. The optical window 6 is limited and positioned through the limiting ring 3..1, so that the installation is convenient, the connection is reliable, and the optical window is prevented from moving outwards from the cavity.
In the above scheme, the optical window 6 can be a flat optical window, the optical window is welded by using glass solder, and the surface of the optical window is provided with an antireflection film, so that the light transmittance of a light signal with specific wavelength is improved, thin film metallization is not required to be manufactured on the surface of the flat optical window, and the cost is reduced in the aspects of raw materials and process manufacturing under the condition of meeting the use requirement.
In the above scheme, the bottom of the ceramic 4 is fixedly connected with the top of the second side wall 2.2, two sides of the ceramic 4 are respectively fixedly connected with one side of the third side wall 2.3 and one side of the fourth side wall 2.4 which are opposite to each other on the wall body 2, and the top of the ceramic 4 is flush with the top of the wall body 2. Wall body 2 adopts the confined structure all around, and pottery 4 supports on being fixed in wall body 2's a lateral wall, contactless between pottery 4 and the bottom plate 1, and the top flushes with wall body 4 top, and it is more convenient to install, and parts machining technology is simpler, and processing cycle is short, satisfies market to the requirement of delivery cycle.
In the above scheme, the ceramic 4 includes a bottom 4.1 and a top 4.2, the bottom 4.1 is a plate-shaped structure, the bottom surface of the bottom 4.1 is fixedly connected with the top of the second sidewall 2.2, two sides of the side surface of the bottom 4.1 are fixedly connected with the bottom of one side of the third sidewall 2.3 and one side of the fourth sidewall 2.4 opposite to the wall 2, and the inner side and the outer side of the bottom 4.1 extend to the inside and the outside of the second sidewall 2.2 respectively; the top portion 4.2 is of a U-shaped structure, the U-shaped opening end of the top portion 4.2 faces the direction of the first side wall, and two sides of the opening end of the top portion 4.2 are fixedly connected with the upper ends of one sides of the third side wall 2.3 and the fourth side wall 2.4 respectively. The surface of the ceramic 4 is provided with a metalized area, and the metalized area is increased on one hand and the supporting strength is also improved on the other hand by a ceramic structure formed by matching the planar bottom 4.1 and the U-shaped top 4.2.
The ceramic is an alumina ceramic part, the components of the ceramic are 90-96%, and the ceramic is manufactured by adopting a multilayer ceramic process method. The method comprises the steps of manufacturing an alumina green ceramic chip by adopting a tape casting process, processing a small hole on the green ceramic chip by using a die and a punching device, filling tungsten slurry or molybdenum slurry in the small hole, manufacturing a metalized pattern on the surface of the green ceramic chip by using the tungsten slurry or the molybdenum slurry, pressing a plurality of layers of green ceramic chips together to form a green ceramic array, cutting each array into a single green ceramic piece by using a cutting device, and sintering at a high temperature to obtain the aluminum oxide green ceramic chip.
In the scheme, the bottom plate 1, the wall body 2, the sealing ring 5 and the optical window bracket 3 are all made of metal materials, and the materials are any one of tungsten copper, molybdenum copper, copper molybdenum copper and constant expansion alloy 4j 29.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (6)
1. A package housing, characterized by: including bottom plate (1), apron, wall body (2), optical window support (3) and pottery (4), on wall body (2) was fixed in bottom plate (1), the apron was fixed in wall body (2) top, wall body (2) are sealed all around, optical window support (3) are located first lateral wall (2.1) of wall body (2), optical window support (3) and wall body (2) integrated into one piece, installation optical window (6) in the window of optical window support (3), pottery (4) are installed on second lateral wall (2.2) relative with first lateral wall, bottom plate (1), apron, wall body (2) and pottery (4) constitute the cavity that is used for the encapsulation.
2. The enclosure of claim 1, wherein: and a sealing ring (5) is arranged between the top of the wall body (2) and the cover plate.
3. The enclosure of claim 1, wherein: open on first lateral wall (2.1) through-hole (2.5), optical window support (3) are cylindric structure, and the terminal surface and the through-hole (2.5) edge integration of optical window support (3) are connected the shaping.
4. The enclosure of claim 3, wherein: the position that light window support (3) inner wall and through-hole meet is equipped with spacing ring (3.1), and light window (6) are located the through-hole, and light window one side edge and spacing ring (3.1) spacing contact.
5. The enclosure of claim 1, wherein: the bottom of the ceramic (4) is fixedly connected with the top of the second side wall (2.2), two sides of the ceramic (4) are fixedly connected with one side of the third side wall (2.3) and one side of the fourth side wall (2.4) which are opposite to each other on the wall body (2) respectively, and the top of the ceramic (4) is flush with the top of the wall body (2).
6. The enclosure of claim 5, wherein: the ceramic (4) comprises a bottom (4.1) and a top (4.2), the bottom (4.1) is of a plate-shaped structure, the bottom surface of the bottom (4.1) is fixedly connected with the top of the second side wall (2.2), and two sides of the side surface of the bottom (4.1) are fixedly connected with the bottoms of one sides of the third side wall (2.3) and the fourth side wall (2.4) opposite to the wall body respectively; the top (4.2) is of a U-shaped structure, the U-shaped opening end of the top (4.2) faces the direction of the first side wall, and two sides of the opening end of the top (4.2) are fixedly connected with one side tops of the third side wall (2.3) and the fourth side wall (2.4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220726774.2U CN217133427U (en) | 2022-03-30 | 2022-03-30 | Packaging shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220726774.2U CN217133427U (en) | 2022-03-30 | 2022-03-30 | Packaging shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217133427U true CN217133427U (en) | 2022-08-05 |
Family
ID=82645116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220726774.2U Active CN217133427U (en) | 2022-03-30 | 2022-03-30 | Packaging shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217133427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037080A1 (en) * | 2022-08-18 | 2024-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2022
- 2022-03-30 CN CN202220726774.2U patent/CN217133427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037080A1 (en) * | 2022-08-18 | 2024-02-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201215805Y (en) | LTCC integrated package millimeter wave component | |
| CN217133427U (en) | Packaging shell | |
| CN105129720A (en) | MEMS sensor packaging structure and method | |
| CN205104494U (en) | SMD gas tightness optical window type detector of miniature pottery | |
| CN108962846B (en) | Packaging structure of thick film hybrid integrated circuit and manufacturing method thereof | |
| CN212648721U (en) | 980nm laser ceramic packaging tube shell | |
| CN108422059B (en) | Brazing die and brazing method for packaging shell | |
| CN209560152U (en) | A kind of mini optical device of CSFP | |
| CN102967906A (en) | Packaging shell for semiconductor photoelectric module | |
| CN108615773B (en) | Photoelectric detector packaging shell for surface mounting | |
| JP3342020B2 (en) | Electronic or opto-electronic case with ceramic insert | |
| CN112951926B (en) | Ceramic shell for laser detector, laser detector and preparation method | |
| CN208255478U (en) | The U-shaped wall multi-layer ceramics insulator encapsulating shell of fiber optic communication | |
| CN210837715U (en) | Surface-mounted dual in-line ceramic shell and power device | |
| CN212695359U (en) | Welding structure | |
| CN208257112U (en) | Multi-pass transmission semiconductor laser transmitter package casing | |
| CN105431006A (en) | Low cost photovoltaic module | |
| CN220021126U (en) | Photoelectric device shell with ceramic bonding pad | |
| CN110783276A (en) | 0.4 mm-pitch main lead ceramic small-outline shell and power device | |
| CN218788374U (en) | Semiconductor packaging shell and semiconductor packaging structure | |
| CN114488431B (en) | Miniaturized high-reliability external modulation light source packaging structure and packaging method | |
| CN211789980U (en) | Packaging structure of high-speed semiconductor laser diode capable of refrigerating | |
| CN220543922U (en) | High-integration refrigeration type infrared detector ceramic shell | |
| CN219737843U (en) | Miniature high transmission encapsulation optical module of high gas tightness | |
| CN217689524U (en) | Light receiving component tube shell packaging structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |