US Patent 7138019 Method for producing magnetostrictive element and sintering method
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Patent Inventor Names
Seigo Tokoro0
Shiro Tomizawa0
Teruo Mori0
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Patent abstract
In the step of sintering a compact that is finally to be a magnetostrictive element, when the temperature in a furnace is elevated, the atmosphere in the furnace is evacuated by a vacuum pump to keep the pressure in the furnace at negative pressure in a temperature range that allows thermal decomposition of hydride present in the compact to release hydrogen gas to accelerate release of hydrogen from the compact.
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US Patent 07138019 Method for producing magnetostrictive element and sintering method US Patent 7138019 Method for producing magnetostrictive element and sintering method
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Patent Number
071380190
Patent Number
71380190
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Patent Jurisdiction
Patent Number
071380190
Date of Patent
November 21, 2006
0Patent Application Number
109000170
Date Filed
July 26, 2004
0Official Website
Patent Primary Examiner
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US Patent 07138019 Method for producing magnetostrictive element and sintering method
Infobox
Is a
Patent jurisdiction
Patent number
07138019
Date of patent
November 21, 2006
Patent application number
10900017
Date Filed
July 26, 2004
Patent primary examiner
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