Structure for improving reliability of LTCC (Low Temperature Co-Fired Ceramic) device

Abstract

The utility model discloses a structure for improving the reliability of an LTCC (Low Temperature Co-Fired Ceramic) device, which comprises an extraction electrode and an outer electrode of an inner electrode of the LTCC device, the extraction electrode adopts a plurality of sections which are connected in parallel, and each section of the extraction electrode is electrically connected with the inner electrode and the outer electrode respectively. According to the utility model, the number of leading-out electrodes of the inner electrode is increased, a plurality of sections of leading-out electrodes are connected with the outer electrode at different positions, and the product is invalid only when all the electrodes are disconnected, so that the reliability of the LTCC device is improved by the inner and outer electrode connecting structure provided by the utility model.

Description

Technical Field

[0001] The utility model belongs to the technical field of LTCC devices, and in particular relates to a structure for improving the reliability of LTCC devices. Background Art

[0002] like Figure 1 As shown, the inner electrode lead-out electrode of the LTCC device is connected to the outer electrode arranged on the surface of the LTCC device. Once the existing connection method is broken, it will be disconnected and cannot be used, and the reliability is poor. Utility Model Content

[0003] The purpose of the utility model is to provide a structure for improving the reliability of LTCC devices and solve the above technical problems.

[0004] The technical solution adopted by the utility model is a structure for improving the reliability of LTCC devices, including lead electrodes and external electrodes of the inner electrodes of the LTCC devices, wherein the lead electrodes are connected in parallel in multiple sections, and each section of the lead electrodes is electrically connected to the inner electrode and the outer electrode respectively.

[0005] Preferably, the gap between two adjacent layers of lead-out electrodes (1) is equal to the film thickness of the adjacent layers.

[0006] Preferably, the gap between two adjacent layers of lead-out electrodes (1) is 20 μm-60 μm.

[0007] Compared with the prior art, the beneficial effect of the present invention is that the present invention increases the number of inner electrode lead-out electrodes, and multiple sections of lead-out electrodes are connected to the outer electrodes at different positions. The product will fail only when all electrodes are disconnected. Therefore, the internal and external electrode connection structure of the present invention increases the reliability of the LTCC device. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 A schematic diagram of the structure of connecting the internal and external electrodes of an existing LTCC device;

[0009] Figure 2 This is a schematic diagram of the structure of Example 1 of the utility model. DETAILED DESCRIPTION

[0010] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0011] Example 1

[0012] like Figure 2 As shown, a structure for improving the reliability of LTCC devices includes an extraction electrode 1 and an external electrode 2 of the inner electrode of the LTCC device. The extraction electrode 1 adopts multiple sections connected in parallel, preferably three sections, and each section of the extraction electrode 1 is electrically connected to the inner electrode and the outer electrode 2 respectively.

[0013] Preferably, the gap between two adjacent layers of extraction electrodes (1) is the film thickness of the adjacent layers, and the specific gap is 20 μm-60 μm.

[0014] The above-described embodiments are only descriptions of the preferred implementation methods of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit and principles of the utility model, various modifications and improvements made by those skilled in the art to the technical solution of the utility model should fall within the scope of protection determined by the claims of the utility model.

Claims

1. A structure for improving the reliability of LTCC devices, characterized in that: The invention comprises an extraction electrode (1) and an outer electrode (2) of an inner electrode of a LTCC device. The extraction electrode (1) is provided in multiple sections connected in parallel, and each section of the extraction electrode (1) is electrically connected to the inner electrode and the outer electrode (2) respectively.

2. A structure for improving the reliability of LTCC devices according to claim 1, characterized in that: The gap between two adjacent layers of lead-out electrodes (1) is the film thickness of the adjacent layers.

3. The structure for improving the reliability of LTCC devices according to claim 1, characterized in that: The gap between two adjacent layers of lead-out electrodes (1) is 20 μm-60 μm.

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