(US9570235) A multilayer ceramic capacitor that is highly resistant to insulation degradation under high-temperature load includes an inner ceramic layer that has a composition mainly composed of a perovskite-type compound containing Ba and Ti, at least one of Nb and Ta, contains Mn and Al, and optionally contains Mg and a rare-earth element that is at least one of Y, Gd, Tb, Dy, Ho, and Er, with a content of Ti being 100 parts by mole, and (a) a total of Nb and Ta is from about 0.2 to about 1.5 part by mole, (b) Mg is not more than about 0.2 part by mole including 0 part by mole, (c) Mn is from about 1.0 to about 3.5 parts by mole, (d) Al is from about 1.0 to about 4.0 parts by mole, and (e) the rare-earth element is not more than about 0.05 part by mole including 0 part by mole. Furthermore, an average number of particles per one layer of the inner ceramic layer is not more than 3.
(US9570235) 1. A multilayer ceramic capacitor, comprising: a multilayer body including a plurality of dielectric ceramic layers and a plurality of internal electrodes along an interface between the dielectric ceramic layers; and a plurality of external el
(US9570235) LEGAL DETAILS FOR US2016111213 Actual or expected expiration date=2034-06-04 Legal state=ALIVE Status=GRANTED Event publication date=2015-12-30 Event code=US/APP Event indicator=Pos Event type=Examination events Application details Application country=US US14983859 Application date=2015-12-30 Standardized application number=2015US-14983859 Event publication date=2015-12-30 Event code=US/EXMR Event type=Administrative notifications USPTO Examiner Name Primary Examiner: GROUP, KARL E Event publication date=2015-12-30 Event code=US/ART Event type=Administrative notifications USPTO Art Group ART=1731 Event publication date=2015-12-30 Event code=US/DK Event type=Examination events Attorney Docket Number Docket Nbr: 36856.3429/fk Customer Nbr: 54066 Event publication date=2015-12-30 Event code=US/ENT Event type=Administrative notifications Business Entity Status: UNDISCOUNTED Event publication date=2015-12-30 Event code=US/AIA Event type=Administrative notifications First Inventor File Indicated: AIA=Yes Event publication date=2015-12-30 Event code=US/AS Event type=Change of name or address Event type=Reassignment Assignment Owner: MURATA MANUFACTURING CO., LTD., JAPAN Effective date of the event=2015-11-19 ASSIGNMENT OF ASSIGNORS INTEREST ASSIGNOR:OKAMOTO, TAKAFUMI REEL/FRAME:037383/0178 Event publication date=2015-12-30 Event code=US/AS Event type=Change of name or address Event type=Reassignment Assignment Effective date of the event=2015-11-19 ASSIGNMENT OF ASSIGNORS INTEREST ASSIGNOR:OKAMOTO, TAKAFUMI REEL/FRAME:037383/0178 Event publication date=2015-12-30 Event code=US/PTARDY Event indicator=Pos Event type=Examination events Patent Term Adjustment - Ready for Examination Event publication date=2015-12-30 Event code=US/IDS Event type=Examination events Event type=OAI Information Disclosure Statement Filed Event publication date=2015-12-30 Event code=US/ENTYSTA Event type=Administrative notifications Entity Status Set to Undiscounted Event publication date=2016-01-15 Event code=US/APPFILEREC Event type=Administrative notifications Event type=OAO Filing Receipt Event publication date=2016-04-19 Event code=US/DOCK Event indicator=Pos Event type=Examination events Case Docketed to Examiner in GAU Event publication date=2016-04-21 Event code=US/A1 Event type=Examination events Application published Publication country=US Publication number=US2016111213 Publication stage Code=A1 Publication date=2016-04-21 Standardized publication number=US20160111213 Event publication date=2016-04-21 Event code=US/PGPUBN Event indicator=Pos Event type=Examination events Event type=OAO PG-Pub Issue Notification Event publication date=2016-10-14 Event code=US/NOAM Event indicator=Pos Event type=Examination events Event type=OAO Mail Notice of Allowance Event publication date=2017-01-06 Event code=US/APRDY Event indicator=Pos Event type=Examination events Application Is Considered Ready for Issue Event publication date=2017-01-25 Event code=US/ISSM Event indicator=Pos Event type=Examination events Event type=OAO Issue Notification Mailed Event publication date=2017-02-14 Event code=US/B2 Event indicator=Pos Event type=Event indicating In Force Granted patent as second publication Publication country=US Publication number=US9570235 Publication stage Code=B2 Publication date=2017-02-14 Standardized publication number=US9570235 Event publication date=2017-02-14 Event code=US/354 Event indicator=Pos Event type=Extension of term of duration of protection Patent term extended under 35 U.S.C 154(b) until/for Delays (A,B,C): 0 Overlap Delays: 0 Non Overlap Delays: 0 PTO Office Delays: 0 Applicant Delays: 0 Adjustment total: Number of days of extension=0