CN217693861U

CN217693861U - Alumina ceramic multilayer substrate

Info

Publication number: CN217693861U
Application number: CN202123140846.XU
Authority: CN
Inventors: 江兵
Original assignee: Nantong Jinnuo Fine Ceramics Co ltd
Current assignee: Nantong Jinnuo Fine Ceramics Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-10-28
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses an alumina ceramics multilayer substrate, which comprises a plate body, the side surface of plate body is provided with the limiting plate, the rear surface fixedly connected with spring of limiting plate, the rear surface of limiting plate is located the top fixedly connected with connecting rod of spring, the first clamp plate of one end fixed connection of limiting plate is kept away from to the connecting rod, the front surface of limiting plate is located the rear fixedly connected with second clamp plate of first clamp plate, the inside fixedly connected with crossbar of plate body, the rear surface of crossbar is provided with the rubber pad. The utility model discloses, limiting plate, spring, first clamp plate and the second clamp plate through the installation drag the limiting plate and make it stretch to the spring to can extend into the edge department of plate body between the limiting plate, first clamp plate can laminate with the front surface of plate body, and the second clamp plate can extrude with the laminating of the rear surface of plate body, makes its bindability that can improve multilayer substrate.

Description

Alumina ceramic multilayer substrate

Technical Field

The utility model relates to an alumina ceramics base plate field especially relates to alumina ceramics multilayer substrate.

Background

The ceramic substrate is a special process board in which copper foil is directly bonded to the surface (single side or double sides) of an alumina (Al 2O 3) or aluminum nitride (AlN) ceramic substrate at high temperature, can be etched into various patterns like a PCB (printed Circuit Board), and has high current-carrying capacity. Therefore, the ceramic substrate has become a basic material for high-power electronic circuit structure technology and interconnection technology, and although the ceramic substrate has excellent electrical insulation performance and high thermal conductivity, the following defects still exist:

1. the alumina ceramic substrate can be made by bonding a plurality of layers of substrates, and when the alumina ceramic substrate is used, the poor bonding property between the substrates is easy to generate edge warping.

2. The alumina ceramic multilayer substrate has poor strength, so that the alumina ceramic multilayer substrate is easily influenced by external factors to cause influence on use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an alumina ceramic multilayer substrate.

In order to realize the purpose, the utility model adopts the following technical scheme: the aluminum oxide ceramic multilayer substrate comprises a plate body, wherein a limiting plate is arranged on the side surface of the plate body, a spring is fixedly connected to the rear surface of the limiting plate, a connecting rod is fixedly connected to the rear surface of the limiting plate, which is positioned above the spring, one end of the connecting rod, which is far away from the limiting plate, is fixedly connected with a first pressing plate, and a second pressing plate is fixedly connected to the front surface of the limiting plate, which is positioned behind the first pressing plate;

the inside fixedly connected with crossbar of plate body, the rear surface of crossbar is provided with the rubber pad.

As a further description of the above technical solution:

the rear surface of the limiting plate is positioned on the right side of the first pressing plate and is fixedly connected with an embedded plate.

As a further description of the above technical solution:

the rear surface of the embedded plate is provided with a protection plate.

As a further description of the above technical solution:

and a heat-resistant layer is arranged inside the plate body.

As a further description of the above technical solution:

and the lower surface of the heat-resistant layer is provided with an anti-corrosion layer.

As a further description of the above technical solution:

and an insulating layer is arranged on the lower surface of the anti-corrosion layer.

As a further description of the above technical solution:

the upper surface and the lower surface of the limiting plate are arranged in an inclined plane.

The utility model discloses following beneficial effect has:

1. compared with the prior art, alumina ceramics multilayer substrate through limiting plate, spring, first clamp plate and the second clamp plate of installation, drags the limiting plate and makes it stretch to the spring to can extend into between the limiting plate with the edge of plate body, first clamp plate can laminate with the front surface of plate body, and the second clamp plate can extrude with the laminating of the rear surface of plate body, makes its cohesiveness that can improve multilayer substrate.

2. Compared with the prior art, the aluminum oxide ceramic multilayer substrate can improve the strength of the plate body through the arranged cross rods, so that the plate body is not easily deformed due to the influence of external factors when in use.

3. Compared with the prior art, the aluminum oxide ceramic multilayer substrate has the advantages of reducing welding layers, reducing thermal resistance, reducing cavities, improving yield, ensuring high insulation withstand voltage and ensuring personal safety and equipment protection capability.

Drawings

FIG. 1 is a schematic view of the overall structure of an alumina ceramic multilayer substrate according to the present invention;

FIG. 2 is a schematic view of the internal structure of the alumina ceramic multi-layer substrate according to the present invention;

FIG. 3 is a schematic diagram of a side view of a limiting plate of the alumina ceramic multi-layered substrate according to the present invention;

FIG. 4 is a schematic view of the limiting plate of the alumina ceramic multi-layered substrate according to the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a limiting plate of the alumina ceramic multilayer substrate of the present invention;

FIG. 6 is a schematic diagram of a cross bar rear view structure of an alumina ceramic multilayer substrate according to the present invention;

fig. 7 is a schematic diagram of a plate structure of the alumina ceramic multilayer substrate according to the present invention.

Illustration of the drawings:

1. a plate body; 2. a limiting plate; 3. a cross bar; 4. a second platen; 5. a first platen; 6. a connecting rod; 7. a spring; 8. a rubber pad; 9. a tabling plate; 10. a protection plate; 11. a heat-resistant layer; 12. an anti-corrosion layer; 13. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-7, the present invention provides an alumina ceramic multilayer substrate: the plate comprises a plate body 1, the side surface of plate body 1 is provided with limiting plate 2, the rear surface fixedly connected with spring 7 of limiting plate 2, the rear surface of limiting plate 2 is located the top fixedly connected with connecting rod 6 of spring 7, the first clamp plate 5 of one end fixed connection of limiting plate 2 is kept away from to connecting rod 6, utilize spring 7 to make elasticity make it drag limiting plate 2 and remove, make the edge of plate body 1 extensible advance between the limiting plate 2, utilize first clamp plate 5 can laminate with the front surface of plate body 1, the front surface of limiting plate 2 is located the rear fixedly connected with second clamp plate 4 of first clamp plate 5, second clamp plate 4 can laminate with the rear surface of plate body 1, make first clamp plate 5 and second clamp plate 4 can push down plate body 1, make between the multilayer base plate between the performance better, the rear surface of limiting plate 2 is located the right side fixedly connected with gomphosis board 9 of first clamp plate 5, the rear surface of gomphosis board 9 is provided with guard plate 10, when limiting plate 2 is removing, guard plate 10 can stretch out from the inside of gomphosis board 9, make guard plate 10 personally submit edge of plate body 1 and personally submit the edge, the binding, the upper surface of protection plate body 2 sets up with the inclined plane, make the lower surface and splice.

Through setting up above structure, make it can improve the cohesiveness between the multilayer substrate, conveniently protect the edge of plate body 1 simultaneously.

The inside fixedly connected with crossbar 3 of plate body 1, the intensity of multiplicable plate body 1, the rear surface of crossbar 3 is provided with rubber pad 8, can improve the frictional force between crossbar 3 and the plate body 1, makes plate body 1 can be better with the laminating of crossbar 3, the inside of plate body 1 is equipped with heat-resistant layer 11, the lower surface of plate body 1 heat-resistant layer 11 is equipped with anti-corrosion layer 12, the lower surface of anti-corrosion layer 12 is equipped with insulating layer 13, the heat resistance of plate body 1, corrosion protection nature and insulating nature are better.

Through setting up above structure, can improve plate body 1's intensity to can prevent that plate body 1 from receiving external factors to influence the deformation.

The working principle is as follows: drag limiting plate 2 and make the edge of plate body 1 extensible advance between the limiting plate 2, make first clamp plate 5 and second clamp plate 4 can push down plate body 1, make the cohesiveness between the multilayer substrate better, when limiting plate 2 is when removing, guard plate 10 can stretch out from the inside of gomphosis board 9, make guard plate 10 can protect the edge of plate body 1, utilize crossbar 3 to make its intensity that can improve plate body 1 to can prevent that plate body 1 from receiving external factor to influence the deformation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Alumina ceramics multilayer substrate, including plate body (1), its characterized in that: a limiting plate (2) is arranged on the side surface of the plate body (1), a spring (7) is fixedly connected to the rear surface of the limiting plate (2), a connecting rod (6) is fixedly connected to the position, above the spring (7), of the rear surface of the limiting plate (2), one end, far away from the limiting plate (2), of the connecting rod (6) is fixedly connected with a first pressing plate (5), and a second pressing plate (4) is fixedly connected to the position, behind the first pressing plate (5), of the front surface of the limiting plate (2);

the plate is characterized in that a cross rod (3) is fixedly connected to the inside of the plate body (1), and a rubber pad (8) is arranged on the rear surface of the cross rod (3).

2. The alumina ceramic multilayer substrate of claim 1, wherein: the rear surface of the limiting plate (2) is positioned on the right side of the first pressing plate (5) and is fixedly connected with an embedded plate (9).

3. The alumina ceramic multilayer substrate of claim 2, wherein: the rear surface of the embedded plate (9) is provided with a protection plate (10).

4. The alumina ceramic multilayer substrate of claim 1, wherein: a heat-resistant layer (11) is arranged inside the plate body (1).

5. The alumina ceramic multilayer substrate of claim 4, wherein: and the lower surface of the heat-resistant layer (11) is provided with an anti-corrosion layer (12).

6. The alumina ceramic multilayer substrate of claim 5, wherein: and an insulating layer (13) is arranged on the lower surface of the anti-corrosion layer (12).

7. The alumina ceramic multilayer substrate of claim 1, wherein: the upper surface and the lower surface of the limiting plate (2) are arranged in an inclined plane.