专利名称：Spark plug
发明人：Jing Zheng,Jeffrey Boehler申请号：US13444098申请日：20120411公开号：US063406B2公开日：20150224
专利附图：
摘要：A spark plug is provided having a resistor. The resistor is made from resistorglass material containing an alkali free barium alumino-silicate glass mixed with mullite. Inone embodiment, the resistor is a 15 to 30 wt % alkali free barium alumino-silicate glassand 10 to 25 wt % mullite. The resistor material provides for a greater processing kiln
temperature range with reduced resistor variability and improved durability performance.
申请人：Jing Zheng,Jeffrey Boehler
地址：Findlay OH US,Holland OH US
国籍：US,US
代理机构：Barnes & Thornburg LLP
代理人：Erin J. Fox
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