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1.
公开(公告)号:US20180144874A1
公开(公告)日:2018-05-24
申请号:US15299489
申请日:2016-10-21
发明人: Nick Yin , Ashish Rai , Craig Sungail , Kazunari Yanagiya , Shuhei Yoshikawa
CPC分类号: H01G9/0525 , B22F1/0003 , B22F1/0011 , B22F1/0088 , B22F1/0096 , B22F1/02 , B22F3/11 , B22F3/16 , B22F2301/20 , C22C1/045 , C22C27/02 , C25D9/06 , H01G9/042 , H01G9/052 , H01G9/15
摘要: A tantalum powder having a value of hydrogen (H) content (ppm) of the tantalum powder divided by Brunauer-Emmett-Teller (BET) surface area (m2/g) of the tantalum powder (H/BET) is greater than 100 is provided. The tantalum powder can be used as an anode of a capacitor, such as a solid electrolytic capacitor, to obtain a capacitor having large capacitance and low current leakage. Methods of producing the tantalum powder, anode, and capacitors including the tantalum powder, also are provided.
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2.
公开(公告)号:US20170209925A1
公开(公告)日:2017-07-27
申请号:US15328501
申请日:2014-08-12
发明人: Eiji Kataoka , Shuhei Yoshikawa , John Koenitzer
CPC分类号: B22F1/0096 , B22F1/0088 , B22F9/026 , B22F9/04 , B22F9/08 , B22F9/20 , B22F9/24 , B22F9/28 , B22F2201/20 , B22F2998/10 , C01G33/00 , C01P2002/54 , C01P2004/51 , C01P2004/61 , C01P2006/10 , C01P2006/12 , C04B35/495 , C04B35/62655 , C04B2235/3253 , C04B2235/5409 , C04B2235/5436 , C04B2235/5463 , C04B2235/72 , C04B2235/721 , C04B2235/722 , C04B2235/723 , C04B2235/727 , C04B2235/728 , C22C1/045 , C22C27/02 , H01G9/042 , H01G9/052 , H01G9/0525 , B22F9/10 , B22F1/0085 , B22F2201/10 , B22F3/10
摘要: The present invention related to a method to make capacitor grade powder. The method includes the use of a spray dryer that includes a rotating atomizer disk to form agglomerated powder and the method further includes a heat treatment step. Capacitor grade powder formed by the methods of the present invention are further described.
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