CN210378636U - Thick film chip resistor with wide-face back electrode - Google Patents
Thick film chip resistor with wide-face back electrode Download PDFInfo
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- CN210378636U CN210378636U CN201921077231.7U CN201921077231U CN210378636U CN 210378636 U CN210378636 U CN 210378636U CN 201921077231 U CN201921077231 U CN 201921077231U CN 210378636 U CN210378636 U CN 210378636U
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Abstract
The utility model discloses a thick film chip resistor with a wide-face back electrode, which comprises a base body, wherein the front and the back of the base body are respectively provided with a first front electrode, a second front electrode, a first back electrode and a second back electrode, and the first back electrode and the second back electrode respectively comprise a first section, a second section and a third section; the cross sections of the first section and the second section are rectangular; the cross section of the third section is semicircular; a resistor layer is arranged between the first front electrode and the second front electrode; a first side electrode and a second side electrode are respectively arranged at two ends of the substrate; a first external electrode is arranged outside the first front electrode, the first side electrode and the first back electrode; and a second external electrode is arranged outside the second front electrode, the second side electrode and the second back electrode. The utility model discloses a wide face graphic design that back electrode adopted, the welding area of multiplicable product makes the product firmly weld on the circuit board, when receiving stronger external force, the product also can not the damage, and the electrode firmly does not drop, and anti degree of buckling is high.
Description
Technical Field
The utility model belongs to the technical field of electronic components, concretely relates to thick film chip resistor with wide face back electrode.
Background
With the development of science and technology, the development of the era and the requirements of people on various electronic products are continuously improved, and the chip resistor with reliable performance and stable process also shows diversified development trends according to the characteristic requirements of the electronic products. In the present trade, the chip resistor electrode welding performance that can be used to in the LED trade is relatively poor, and terminal intensity is relatively weak, can't satisfy people to the high welding performance of resistance product and the demand of higher terminal intensity of buckling to need to develop one kind and can realize that the welding performance of product is good and higher terminal intensity of buckling, satisfy excellent electrical properties simultaneously, can replace current LED thick film chip resistor completely, but wide application in electronic product such as LED lamp area and LED illumination.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a thick film chip resistor with wide face back electrode because what its back electrode adopted is special wide face graphic design (rectangle + semi-circular structure), and this kind of structural style can increase the welding area of product, makes the more firm welding of product on the circuit board, even receive under the condition of stronger external force, the product also can the not damaged, and the electrode is firm not droing, and anti degree of buckling is high.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a thick film chip resistor having a broad-sided back electrode comprising:
a substrate;
the first front electrode and the second front electrode are oppositely arranged on the front surface of the substrate;
the first back electrode and the second back electrode are oppositely arranged on the back of the substrate, have the same structure and comprise a first section, a second section and a third section which are sequentially arranged; the cross sections of the first section and the second section are rectangular, and the first section and the second section form a convex shape together; the cross section of the third section is semicircular;
the resistor layer is arranged between the first front electrode and the second front electrode, and a first protective layer and a second protective layer are sequentially arranged on the resistor layer;
the first side electrode and the second side electrode are respectively arranged at two opposite ends of the substrate and are respectively connected with the first front electrode and the first back electrode as well as the second front electrode and the second back electrode;
the first external electrode is arranged outside the first front electrode, the first side electrode and the first back electrode;
and the second external electrode is arranged outside the second front electrode, the second side electrode and the second back electrode.
As a further improvement of the present invention, the diameter length of the third section is smaller than the length of the long side of the second section.
As a further improvement of the present invention, the central axes of the first section, the second section and the third section coincide with each other.
As a further improvement of the utility model, the base body is made of alumina ceramic material.
As a further improvement of the present invention, the first front electrode, the second front electrode, the first back electrode and the second back electrode are made of silver-palladium material.
As a further improvement of the utility model, the first protective layer is a glass protective layer.
As a further improvement of the present invention, the second protective layer is a resin protective layer.
As a further improvement, the second protective layer is further provided with an identification layer for printing identification characters.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a thick film chip resistor with wide face back electrode because what its back electrode adopted is special wide face graphic design (rectangle + semi-circular structure), this kind of structural style can increase the welding area of product, makes the more firm welding of product on the circuit board, even receive under the condition of stronger external force, the product also can the not damaged, the electrode is firm not to drop, anti degree of buckling is high, electric property is excellent, but wide application in LED lamp area and LED illumination trade.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a cross-sectional view of a thick film chip resistor with a wide back electrode according to an embodiment of the present invention;
fig. 2 is a top view of a thick film chip resistor with a wide back electrode according to an embodiment of the present invention;
wherein: 1-a substrate; 2-a first back electrode; 3-a second back electrode; 4-a first front electrode; 5-a second front electrode; 6-a resist layer; 7-a first protective layer; 8-a second protective layer; 9-a first side electrode; 10-a second side electrode; 11-a first external electrode; 12-a second external electrode; 13-identification layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model provides a thick film chip resistor with wide face back pole, include:
the base body 1, in a specific embodiment of the present invention, the base body 1 is made of an alumina ceramic material, which has good heat dissipation and insulation properties, and is beneficial to timely guiding out heat generated by a product in a using process;
a first front electrode 4 and a second front electrode 5, both of which are oppositely arranged on the front surface of the substrate 1;
the first back electrode 2 and the second back electrode 3 are oppositely arranged on the back of the substrate, have the same structure and comprise a first section, a second section and a third section which are sequentially arranged; the cross sections of the first section and the second section are rectangular, and the first section and the second section form a convex shape together; the cross section of the third section is semicircular, preferably, the central axes of the first section, the second section and the third section are overlapped, the diameter length of the third section is smaller than the length of the long side of the second section, and the first front electrode 4, the second front electrode 5, the first back electrode 2 and the second back electrode 3 are all made of silver palladium materials, so that the heat dissipation performance, the wear resistance, the electric conductivity and the weldability of the resistor can be improved;
the resistor layer 6 is arranged between the first front electrode 4 and the second front electrode 5, and a first protective layer 7 and a second protective layer 8 are sequentially arranged on the resistor layer 6; in a specific embodiment of the present invention, the first protective layer 7 is a glass protective layer, and the second protective layer 8 is a resin protective layer;
a first side electrode 9 and a second side electrode 10, which are respectively arranged at two opposite ends of the substrate 1 and are respectively connected with the first front electrode 4 and the first back electrode 2, and the second front electrode 5 and the second back electrode 3;
a first external electrode 11 provided outside the first front electrode 4, the first side electrode 9, and the first back electrode 2; preferably, the first external electrode 11 is made of nickel for protecting the front electrode, the rear electrode and the side electrodes;
and a second external electrode 12 disposed outside the second front electrode 5, the second side electrode 10, and the second back electrode 3, preferably, the second external electrode 12 is made of tin for protecting the front electrode, the back electrode, and the side electrode.
Furthermore, the second protective layer is further provided with an identification layer 13 for printing identification characters.
In summary, the following steps:
the utility model discloses a thick film chip resistor with wide face back electrode because what its back electrode adopted is special wide face graphic design (rectangle + semi-circular structure), and this kind of structural style can increase the welding area of product, makes the more firm welding of product on the circuit board, even receive under the condition of stronger external force, the product also can not the harm, and the electrode is firm not to drop, and anti degree of buckling is high.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A thick film chip resistor having a broad-sided back electrode, comprising:
a substrate;
the first front electrode and the second front electrode are oppositely arranged on the front surface of the substrate;
the first back electrode and the second back electrode are oppositely arranged on the back of the substrate, have the same structure and comprise a first section, a second section and a third section which are sequentially arranged; the cross sections of the first section and the second section are rectangular, and the first section and the second section form a convex shape together; the cross section of the third section is semicircular;
the resistor layer is arranged between the first front electrode and the second front electrode, and a first protective layer and a second protective layer are sequentially arranged on the resistor layer;
the first side electrode and the second side electrode are respectively arranged at two opposite ends of the substrate and are respectively connected with the first front electrode and the first back electrode as well as the second front electrode and the second back electrode;
the first external electrode is arranged outside the first front electrode, the first side electrode and the first back electrode;
and the second external electrode is arranged outside the second front electrode, the second side electrode and the second back electrode.
2. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the diameter length of the third section is smaller than the length of the long side of the second section.
3. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the central axes of the first section, the second section and the third section are overlapped.
4. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the substrate is made of an alumina ceramic material.
5. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the first front electrode, the second front electrode, the first back electrode and the second back electrode are all made of silver palladium materials.
6. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the first protective layer is a glass protective layer.
7. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: the second protective layer is a resin protective layer.
8. A thick film chip resistor having a broad-side back electrode according to claim 1, wherein: and the second protective layer is also provided with an identification layer for printing identification characters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077231.7U CN210378636U (en) | 2019-07-11 | 2019-07-11 | Thick film chip resistor with wide-face back electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077231.7U CN210378636U (en) | 2019-07-11 | 2019-07-11 | Thick film chip resistor with wide-face back electrode |
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| Publication Number | Publication Date |
|---|---|
| CN210378636U true CN210378636U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077231.7U Active CN210378636U (en) | 2019-07-11 | 2019-07-11 | Thick film chip resistor with wide-face back electrode |
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| Country | Link |
|---|---|
| CN (1) | CN210378636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990590A (en) * | 2021-09-15 | 2022-01-28 | 安徽翔胜科技有限公司 | Special resistor for LED lamp strip with high stability |
-
2019
- 2019-07-11 CN CN201921077231.7U patent/CN210378636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990590A (en) * | 2021-09-15 | 2022-01-28 | 安徽翔胜科技有限公司 | Special resistor for LED lamp strip with high stability |
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