US 9,814,124 B2
Surge protection device, method for manufacturing the same, and electronic component including the same
Masanori Okamoto, Kyoto (JP); Yukio Maeda, Kyoto (JP); and Shuji Matsumoto, Kyoto (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed on Dec. 17, 2015, as Appl. No. 14/972,580.
Application 14/972,580 is a continuation of application No. PCT/JP2014/066847, filed on Jun. 25, 2014.
Claims priority of application No. 2013-139765 (JP), filed on Jul. 3, 2013.
Prior Publication US 2016/0105948 A1, Apr. 14, 2016
Int. Cl. H05F 3/00 (2006.01); H05F 3/02 (2006.01); H01H 47/00 (2006.01); H05F 3/04 (2006.01); H01T 1/20 (2006.01); H01T 4/12 (2006.01); H01T 21/00 (2006.01); B22F 3/10 (2006.01); B22F 5/00 (2006.01); C22C 29/12 (2006.01); C22C 32/00 (2006.01); H01T 2/02 (2006.01); H05K 1/02 (2006.01)
CPC H05F 3/04 (2013.01) [B22F 3/10 (2013.01); B22F 5/00 (2013.01); C22C 29/12 (2013.01); C22C 32/001 (2013.01); H01T 1/20 (2013.01); H01T 4/12 (2013.01); H01T 21/00 (2013.01); H01T 2/02 (2013.01); H05K 1/026 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A surge protection device comprising:
one or more ceramic substrates;
at least one pair of discharge electrodes disposed on one or more surfaces of the ceramic substrates so as to face each other at end portions of the pair of discharge electrodes with a space in between;
outer electrodes electrically connected to the respective discharge electrodes; and
a discharge auxiliary electrode disposed between the end portions of the pair of discharge electrodes,
wherein the discharge auxiliary electrode comprises crystalized glass and conductive powder particles dispersed apart from each other in the crystalized glass.