ESD protection device and manufacturing method thereof

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United States of America Patent

PATENT NO 8885312
SERIAL NO

13367399

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Abstract

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An ESD protection device includes a ceramic base material, a pair of opposed electrodes provided on a surface of or in the ceramic base material, and a discharge auxiliary electrode film arranged to connect the pair of opposed electrodes, wherein the discharge auxiliary electrode film is composed of a material containing, as its main constituents, metallic particles and glass covering the metallic particles. The discharge auxiliary electrode film is formed by providing an electrode paste containing glass-coated metallic particles that have an approximately 15% rate of increase in weight at about 400° C. for about 2 hours in air, a resin binder, and a solvent so as to connect the pair of opposed electrodes to each other, and then firing at a temperature of about 600° C. or more, higher than a softening point of glass of the glass-coated metallic particles, and not +200° C. higher than the softening point.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTD10-1 HIGASHIKOTARI 1-CHOME NAGAOKAKYO-SHI KYOTO-FU 617-8555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Jun Nagaokakyo, JP 102 785
Kitadume, Takahiro Nagaokakyo, JP 3 16
Okamoto, Masanori Nagaokakyo, JP 33 75
Sumi, Takahiro Nagaokakyo, JP 35 213
Tsukizawa, Takayuki Nagaokakyo, JP 47 238

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