CN216144175U - Copper-clad ceramic substrate double-sided sintering jig - Google Patents

Copper-clad ceramic substrate double-sided sintering jig Download PDF

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CN216144175U
CN216144175U CN202121958632.0U CN202121958632U CN216144175U CN 216144175 U CN216144175 U CN 216144175U CN 202121958632 U CN202121958632 U CN 202121958632U CN 216144175 U CN216144175 U CN 216144175U
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jig
points
point
copper
ceramic substrate
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董明锋
贺贤汉
蔡俊
周俊
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Jiangsu Fulehua Semiconductor Technology Co ltd
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Jiangsu Fulehua Semiconductor Technology Co ltd
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Abstract

The utility model provides a double-sided sintering jig for a copper-clad ceramic substrate, which comprises a base plate, wherein a plurality of first jig points are uniformly arranged at the edge of a short shaft of the base plate, first bottom salient points are fixedly connected to the lower surfaces of the first jig points, first positioning holes matched with the first bottom salient points are formed in the upper surface of the base plate, the first bottom salient points are inserted into the first positioning holes, second jig points are arranged at the edge of the long shaft of the base plate, second bottom salient points are fixedly connected to the lower surfaces of the second jig points, second positioning holes matched with the second bottom salient points are formed in the upper surface of the base plate, the second bottom salient points are inserted into the second positioning holes, the height of the first jig points is twice that of the second jig points, and compared with the prior art, the double-sided sintering jig has the following beneficial effects: the number of the fixture points and the position of the corresponding bottom plate are correspondingly changed according to different warping requirements of the copper-clad ceramic substrate.

Description

Copper-clad ceramic substrate double-sided sintering jig
Technical Field
The utility model discloses a double-sided sintering jig for a copper-clad ceramic substrate, and belongs to the field of ceramic processing.
Background
In the production process of the second surface ceramic and the copper sheet of the copper-clad ceramic substrate, the copper sheet which is well covered and connected on the first surface cannot be directly contacted with the alloy mesh belt, and a layer of double-sided sintered ceramic jig needs to be added between the metal mesh belt and the copper-clad ceramic substrate. Because the copper sheet at the bottom can be adhered to the ceramic jig at the same time in the covering process, the ceramic jig is required to have a certain height and cannot be adhered to the copper sheet at the bottom. The existing jig has poor applicability to products with different warping requirements, and cannot meet the production and quality requirements of double-sided copper-clad ceramic substrates.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a copper-clad ceramic substrate double-sided sintering jig, which solves the problems that the jig provided in the background technology has poor applicability to products with different warping requirements and cannot meet the production and quality requirements of double-sided copper-clad ceramic substrates.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a cover two-sided sintering tool of copper ceramic substrate, includes the bottom plate, the first tool point of a plurality of has evenly been arranged to the edge of bottom plate minor axis, the first bottom bump of surface fixed connection under the first tool point, the first locating hole with first bottom bump matched with is seted up to the bottom plate upper surface, first bottom bump is inserted in first locating hole, the second tool point is installed to the edge of bottom plate major axis, surface fixed connection has second bottom bump under the second tool point, the second locating hole with second bottom bump matched with is seted up to the bottom plate upper surface, second bottom bump is inserted in the second locating hole, the height of first tool point is the twice of second tool point height.
Furthermore, the first bottom salient point and the second bottom salient point have the same specification, and the first positioning hole and the second positioning hole have the same specification.
Further, the thickness of the bottom plate is 0.635-2.0mm, the length is 185-200mm, the width is 135-150mm, the diameters of the first positioning hole and the second positioning hole are 1.5-2.0mm, the thicknesses of the first bottom salient point and the second bottom salient point correspond to the thickness of the bottom plate, and the diameters of the first bottom salient point and the second bottom salient point correspond to 1.4-1.9 mm.
Furthermore, the length of the first jig point is 5-7mm, the width of the first jig point is 3-10mm, the height of the first jig point is 0.5-3mm, the length of the second jig point is 5-7mm, the width of the second jig point is 3-10mm, and the height of the second jig point is half of that of the first jig point.
Furthermore, the first bottom salient point and the first fixture point are of an integrally formed structure, and the second bottom salient point and the second fixture point are of an integrally formed structure.
Furthermore, the bottom plate, the first jig point and the second jig point are all members made of materials with good thermal conductivity and thermal stability of alumina ceramics or zirconia ceramics.
The utility model has the beneficial effects that: the double-sided sintering of the copper-clad ceramic substrate with different warping requirements can be met by adjusting the positions of the jig points and the heights of the jig points, the number of the jig points and the positions of the relative bottom plates are correspondingly changed according to the different warping requirements of the copper-clad ceramic substrate, and the production and quality requirements of the double-sided copper-clad ceramic substrate are met.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a double-sided sintering jig for a copper-clad ceramic substrate according to the present invention;
FIG. 2 is a perspective view of a bottom plate of a double-sided sintering jig for copper-clad ceramic substrates according to the present invention;
FIG. 3 is a schematic view of the assembly of a first bottom bump and a first fixture point in a double-sided sintering fixture for copper-clad ceramic substrates according to the present invention;
FIG. 4 is a schematic view of the assembly of a second bottom bump and a second fixture point in the double-sided sintering fixture for copper-clad ceramic substrates according to the present invention;
FIG. 5 is a schematic structural diagram of a double-sided sintering jig for a copper-clad ceramic substrate according to an embodiment of the present invention;
in the figure: 1-bottom plate, 2-first jig point, 3-second jig point, 4-first positioning hole, 5-second positioning hole, 6-first bottom salient point and 7-second bottom salient point.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Example 1: referring to fig. 1-4, the present invention provides a technical solution: a copper-clad ceramic substrate double-sided sintering jig comprises a base plate 1, wherein the thickness of the base plate 1 is 2.0mm, the length is 200mm, the width is 135mm, a plurality of first jig points 2 are uniformly arranged at the edge of a short shaft of the base plate 1, the bottom length of each first jig point 2 is 5mm, the width is 3mm, the height is 2mm, first bottom salient points 6 are fixedly connected to the lower surfaces of the first jig points 2, the height of each first bottom salient point 6 is 1mm, the diameter is 1.5mm, first positioning holes 4 matched with the first bottom salient points 6 are formed in the upper surface of the base plate 1, the first bottom salient points 6 are inserted in the first positioning holes 4, the diameter of each first positioning hole 4 is 1.6mm, second jig points 3 are installed at the edge of a long shaft of the base plate 1, the bottom length of each second jig point 3 is 5mm, the width is 3mm, the height is 1mm, second bottom salient points 7 are fixedly connected to the lower surfaces of the second jig points 3, second bottom bump 7 highly is 1mm, the diameter is 1.5mm, 1 upper surface of bottom plate is seted up with second bottom bump 7 matched with second locating hole 5, second locating hole 5 diameter is 1.6mm, second bottom bump 7 is inserted in second locating hole 5, arrange four first tool points 2 and two second tool points 3 on bottom plate 1, and make the height of first tool point 2 be the twice of second tool point 3 height, realize that the quantity of tool point and relative bottom plate 1's position do corresponding change according to the different warpage requirements of copper-clad ceramic substrate, satisfy the production and the quality demand of two-sided copper-clad ceramic substrate.
First bottom bump 6 is the integrated into one piece structure with first tool point 2, and second bottom bump 7 is the integrated into one piece structure with second tool point 3, and bottom plate 1, first tool point 2 and second tool point 3 are the component that alumina ceramics or zirconia pottery heat conductivity and thermal stability are good material and make, adopt the integrated into one piece structure, are convenient for produce and process and improve the mechanical strength of structure.
Example 2: referring to fig. 5, there are ten first jig points 2 on the bottom plate 1, which are uniformly distributed on both sides of the bottom plate 1, ten first positioning holes 4 are formed in the bottom plate 1, which correspond to the first bottom bumps 6 on the first jig points 2, the first jig points 2 are flush with the edge of the bottom plate 1, the distances between two adjacent first jig points 2 are equal, the distance between the first jig points 2 on the major axis of the bottom plate 1 is equal and 62.7mm, the first jig points 2 on the minor axis of the bottom plate 1 are at the center of the minor axis, and the distance between the first jig points 2 on both sides is 63.5 mm.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a two-sided sintering tool of copper-clad ceramic substrate, includes bottom plate (1), its characterized in that: a plurality of first jig points (2) are uniformly arranged at the edge of the short shaft of the bottom plate (1), the lower surface of the first jig point (2) is fixedly connected with a first bottom salient point (6), the upper surface of the bottom plate (1) is provided with a first positioning hole (4) matched with the first bottom salient point (6), the first bottom salient points (6) are inserted into the first positioning holes (4), the edge of the long shaft of the bottom plate (1) is provided with second jig points (3), the lower surface of the second jig point (3) is fixedly connected with a second bottom salient point (7), the upper surface of the bottom plate (1) is provided with a second positioning hole (5) matched with the second bottom salient point (7), the second bottom salient points (7) are inserted into the second positioning holes (5), and the height of the first jig points (2) is twice that of the second jig points (3).
2. The double-sided sintering jig for the copper-clad ceramic substrate according to claim 1, characterized in that: the first bottom salient point (6) and the second bottom salient point (7) are the same in specification, and the first positioning hole (4) and the second positioning hole (5) are the same in specification.
3. The double-sided sintering jig for the copper-clad ceramic substrate according to claim 2, characterized in that: the thickness of the bottom plate (1) is 0.635-2.0mm, the length is 185-200mm, the width is 135-150mm, the diameters of the first positioning hole (4) and the second positioning hole (5) are 1.5-2.0mm, the thicknesses of the first bottom salient point (6) and the second bottom salient point (7) correspond to the thickness of the bottom plate (1), and the diameters are 1.4-1.9 mm.
4. The double-sided sintering jig for the copper-clad ceramic substrate according to claim 1, characterized in that: the length of the first jig point (2) is 5-7mm, the width is 3-10mm, and the height is 0.5-3mm, the length of the second jig point (3) is 5-7mm, the width is 3-10mm, and the height is half of the first jig point (2).
5. The double-sided sintering jig for the copper-clad ceramic substrate according to claim 1, characterized in that: the first bottom salient point (6) and the first jig point (2) are of an integrated structure, and the second bottom salient point (7) and the second jig point (3) are of an integrated structure.
6. The double-sided sintering jig for the copper-clad ceramic substrate according to claim 1, characterized in that: the bottom plate (1), the first jig points (2) and the second jig points (3) are all members made of materials with good thermal conductivity and thermal stability of alumina ceramics or zirconia ceramics.
CN202121958632.0U 2021-08-19 2021-08-19 Copper-clad ceramic substrate double-sided sintering jig Active CN216144175U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115500011B (en) * 2022-11-03 2023-02-03 四川富乐华半导体科技有限公司 Positioning method for DPC ceramic substrate processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115500011B (en) * 2022-11-03 2023-02-03 四川富乐华半导体科技有限公司 Positioning method for DPC ceramic substrate processing

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