CN215816822U - Metal glass sealing tube seat - Google Patents
Metal glass sealing tube seat Download PDFInfo
- Publication number
- CN215816822U CN215816822U CN202123231299.6U CN202123231299U CN215816822U CN 215816822 U CN215816822 U CN 215816822U CN 202123231299 U CN202123231299 U CN 202123231299U CN 215816822 U CN215816822 U CN 215816822U
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- glass sealing
- inclined plane
- seat body
- tube seat
- seat
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Abstract
The utility model discloses a metal glass sealing tube seat, and belongs to the technical field of metal glass sealing pieces. The metal glass sealing tube seat comprises a seat body, a conductive lead, a grounding lead and a glass insulator, wherein a sunken inclined plane is arranged in the center of the upper surface of the seat body, the glass insulator is embedded on the conductive lead, the conductive lead is inserted and fixed in a groove jack of the seat body, and the grounding lead is fixed on the lower bottom surface of the seat body through silver soldering. The chip and the carrier can be directly attached to the inclined plane, the whole body does not need to be machined for multiple times, the chip and the carrier are formed in one step through stamping, the residual stress in the tube seat is relatively reduced through cold deformation, and the fatigue strength and the reliability of the tube seat are obviously improved.
Description
Technical Field
The utility model relates to the technical field of metal glass sealing pieces, in particular to a metal glass sealing tube seat.
Background
The metal glass sealing piece is an indispensable semi-finished product to be processed in the semiconductor industry, and in the packaging form of a chip, the metal-glass sealing has the characteristics of excellent air tightness, simple structure, small element volume, suitability for mass production, low cost and the like, so the metal-glass sealing piece has wide application in the field of vacuum electronics. However, in order to match the position of the cap optical window or the emission angle of the laser, the conventional metal-glass sealing tube seat usually mounts a chip on a heat sink material with various angles and integrally welds the chip on the tube seat. In the other method, the upper surface of the tube seat is directly machined into a non-horizontal inclined plane, obviously, the tube seat can be formed only by machining for many times, so that the machining cost and the machining difficulty are improved, the residual stress in the tube seat is increased by cutting for many times, and the fatigue strength and the reliability of a product are reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a metal glass sealing tube seat which can provide an effective emission angle for a light source, does not need secondary processing on carriers such as a ceramic heat sink and the like, and can be directly welded and mounted.
In order to achieve the purpose, the metal glass sealing tube seat provided by the utility model comprises a seat body, a conductive lead, a grounding lead and a glass insulator, wherein a groove matched with the glass insulator is formed in the seat body; the glass insulator is nested on the conductive lead; the conductive lead is inserted into the groove jack of the seat body; the grounding lead is arranged on the lower bottom surface of the base body.
Furthermore, the base body can be made of steel or kovar alloy, and the maximum diameter of the base body is 9.2 mm.
Furthermore, the shape of the inclined plane on the upper surface of the seat body is circular, the maximum diameter of the inclined plane is 1.1mm, and the included angle between the horizontal plane and the inclined plane is 0-10 degrees.
Further, the conductive lead, the base body and the glass insulator are hermetically and insulatively sealed together by high-temperature sintering.
Furthermore, the grounding lead and the base body are welded through soft soldering, and the brazing filler metal is silver-based alloy.
Further, the metal glass sealing tube seat is integrally plated with gold or nickel.
The metal glass sealing tube seat provided by the utility model has the following beneficial effects: the inclined plane formed with the metal base body in one step is obtained through stamping processing, so that a certain angle is formed between the inclined plane and the upper surface of the original base body, the chip and the carrier can be directly pasted or welded on the inclined plane, the secondary processing cost of the ceramic heat sink is saved, the diameter of the inclined plane is smaller than that of the base body, the integral multiple mechanical processing is not needed, only one stamping is needed, the residual stress in the base body is relatively reduced through cold deformation, and the fatigue strength and the reliability of the base body are obviously improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a side cross-sectional view of the embodiment shown in fig. 1.
Description of reference numerals: 1. a base body; 11. a bevel; 2. a conductive lead; 3. a glass insulator; 4. and a ground lead.
Detailed Description
The utility model is further described with reference to the following figures and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "side", "bottom", "top", "inner", "outer", and the like, indicate orientations and positional relationships based on directions or positional relationships shown in the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
Referring to fig. 1 and 2, in the present embodiment, a metallic glass sealing tube seat includes a seat body 1, a conductive lead 2, a glass insulator 3, and a ground lead 4, where the ground lead 4 and a silver-based alloy solder are mounted on a lower bottom surface of the seat body 1 through a mold, the solder is melted in a high temperature furnace, after welding, the glass insulator 3 is nested on the conductive lead 2, the conductive lead 2 is inserted into the seat body 1, and is melted and solidified with the seat body 1 through high temperature sintering, so as to obtain a sealed metallic glass sealing tube seat.
Referring to fig. 1, in the embodiment, an inclined plane 11 is formed at the center of the upper surface of the seat body 1, the inclined plane 11 is formed at one step with the seat body 1 through stamping, the whole process of cutting is improved, and the cold deformation has smaller residual stress and less metal consumables, an included angle between the inclined plane 11 and the horizontal plane is 10 degrees, the diameter is 1mm, and the shape is circular, so that a chip and a carrier can be directly mounted or welded on the inclined plane, and the chip and the carrier have adaptive emission angles, and the complex processing of the carriers such as a ceramic heat sink and the like is not needed, and only the chip heat dissipation requirements need to be met, and the circular carrier has a wider heat dissipation design.
In this embodiment, the base 1 is made of kovar alloy, and has a circular shape with a maximum diameter of 5.4mm, however, it should be understood by those skilled in the art that in other embodiments, the base 1 may have a circular shape with a tail or a side slot, and the shape is designed accordingly according to the requirement. The maximum diameter of the base body 1 can be 5.6mm, 9.2mm, 4.22mm and other standard sizes in the field. The base 1 may also be made of other metal materials, such as stainless steel or iron-based alloy, and is not limited to the kovar alloy material disclosed in this embodiment.
In this embodiment, the metal glass sealing tube seat is integrally plated with gold or nickel, so that the tube seat has excellent corrosion resistance and metallic luster.
In summary, the embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, although the present invention is described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be equally replaced, and all simple modifications or replacements made in the shapes, the values, the orientations, and other technical features can be made without departing from the spirit and the scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a metallic glass seals tube socket, includes pedestal, electrically conductive lead wire, ground lead wire and glass insulator, its characterized in that: the glass insulator is embedded on the conductive lead, the conductive lead is inserted in the seat body, and the grounding lead is fixed on the lower bottom surface of the seat body.
2. The metallic-glass sealing socket according to claim 1, wherein: the pedestal is made of kovar alloy, and the maximum diameter is 9.2 mm.
3. The metallic-glass sealing socket according to claim 1, wherein: the seat body is characterized in that the center of the upper surface of the seat body is provided with an inclined plane, the shape of the inclined plane is circular, the maximum diameter of the inclined plane is 1.1mm, and the included angle between the horizontal plane and the inclined plane is 0-10 degrees.
4. The metallic-glass sealing socket according to claim 1, wherein: the grounding lead and the base body are welded through soft soldering, and the brazing filler metal is silver-based alloy.
5. The metallic-glass sealing socket according to claim 1, wherein: the metal glass sealing tube seat is integrally plated with gold or nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231299.6U CN215816822U (en) | 2021-12-22 | 2021-12-22 | Metal glass sealing tube seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231299.6U CN215816822U (en) | 2021-12-22 | 2021-12-22 | Metal glass sealing tube seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816822U true CN215816822U (en) | 2022-02-11 |
Family
ID=80171006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123231299.6U Active CN215816822U (en) | 2021-12-22 | 2021-12-22 | Metal glass sealing tube seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215816822U (en) |
-
2021
- 2021-12-22 CN CN202123231299.6U patent/CN215816822U/en active Active
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