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Ceramic package for filling liquid-component containing electrolyte

A technology of ceramic packaging and electrolyte, which is applied in the direction of capacitor shell/package, electrolytic capacitor, hybrid box/shell/package, etc., which can solve the leakage of interlayer conductors and damage the airtightness between the interior and exterior of the ceramic package chamber, etc. problem, to achieve the effect of ensuring the reliability of the connection

Pending Publication Date: 2020-12-11
NGK SPARK PLUG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is a problem that, when the corrosion spreads, a leakage path is generated in an interlayer conductor or the like located between the ceramic layers, and the airtightness between the inside and outside of the cavity of the ceramic package is impaired.

Method used

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  • Ceramic package for filling liquid-component containing electrolyte
  • Ceramic package for filling liquid-component containing electrolyte
  • Ceramic package for filling liquid-component containing electrolyte

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] Hereinafter, the form for carrying out this invention is demonstrated.

[0046] figure 1 (A) is a plan view showing a liquid component-containing electrolyte-filled ceramic package 1a according to an embodiment of the present invention, figure 1 (B) is along the figure 1 Vertical sectional view taken along line BB in (A).

[0047] Such as figure 1 of (A), figure 1 As shown in (B), the liquid component-containing ceramic package for electrolyte filling (hereinafter, simply referred to as a package) 1a includes a substrate main body 2 having a surface 3 and a back surface 4 facing each other in a rectangular shape in a plan view. , and has four sides 5 between the surface 3 and the back 4; a chamber 6, which opens on the surface 3 and has a rectangular bottom 7 in plan view and an inner chamber erected from the four sides of the bottom 7 Side 8; a pair of (two) electrode pads 9, the pair of electrode pads 9 is formed along the short side on the left side when vi...

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Abstract

Provided is a ceramic package for filling a liquid-component containing electrolyte, the package making corrosion caused by the electrolyte less susceptible to progressing to the outside of a cavity even if the electrolyte is filled inside the cavity. A ceramic package 1a for filling a liquid-component containing electrolyte comprises: a substrate body 2 that is made of ceramic and has front and rear surfaces 3, 4 and a side surface 5 positioned therebetween; a cavity 6 that opens to the surface 3 and has a bottom surface 7 and an inner side surface 8; an electrode pad 9 formed on the bottom surface 7; an external connection terminal 10 formed on the rear surface 4; an electronic component 14 mounted on the electrode pad 9; and an electrolyte 16 which is filled into the cavity 6. The electrode pad 9 and the external connection terminal 10 are electrically connected by a via conductor 12 that goes through a ceramic layer c1 forming the bottom surface 7 of the cavity 6 and the rear surface 4 of the substrate body 2. The side surface 5 of the substrate body 2 has a side surface conductor 17, and the side surface conductor 17 and the external connection terminal 10 are connected, and the electrode pad 9 and the side surface conductor 17 are disposed so as to be separated from each other.

Description

technical field [0001] The present invention relates to a ceramic package for filling an electrolyte containing a liquid component, which is used for filling a gel-like electrolyte containing a liquid component, such as a gel, into a cavity opened on the surface of a substrate main body made of ceramics, and surrounding the cavity with the electrolyte. The electronic components are then mounted within the chamber. Background technique [0002] For example, for a ceramic package in which a cavity opened above is formed by laminating a ceramic frame on the peripheral side of the upper surface of a flat ceramic substrate, there is proposed an arc-shaped notch and a round-castle-shaped conductor (Japanese: The arc-shaped notch portion is a ceramic package of a caster-shaped conductor), wherein at least one arc-shaped corner portion of the chamber (an arc-shaped inner corner portion in a plan view) is cut away toward the outer peripheral side in a plan view. The dome-shaped cond...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L23/08H01L23/12
CPCH01L23/08H01L23/12H01G2/106H01G2/06H01G2/12H01G9/08H01G9/28H01G9/008H01G11/82H01G11/74H01G11/10H01G11/78H01G11/80H01G2/103H01L23/15H01L23/13H01L23/481H01L23/49827H01L23/525H01L23/528H01G2/065H01G2/10
Inventor 宫路隆幸
Owner NGK SPARK PLUG CO LTD
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