The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2015
Filed:
Jun. 18, 2013
Samsung Electro-mechanics Co., Ltd., Suwon, Gyunggi-do, KR;
Chang Hak Choi, Gyunggi-do, KR;
Chang Hoon Kim, Gyunggi-do, KR;
Sang Min Youn, Seoul, KR;
Kwang Hee Nam, Gyunggi-do, KR;
Ki Myoung Yun, Gyunggi-do, KR;
Hyung Joon Jeon, Gyunggi-do, KR;
Jong Hoon Yoo, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-Do, KR;
Abstract
There are provided a dielectric composition and a preparation method thereof, the dielectric composition including: a first perovskite powder for a core represented by ABO: and a second perovskite powder for a shell represented by ABO, having an average particle diameter corresponding to ⅓ to 1/10 of an average particle diameter of the first perovskite powder, and included in an amount of 1 to 70 parts by weight with respect to 100 parts by weight of the first perovskite powder, wherein particles of the second perovskite powder have pores having a volume fraction of 3 to 50 vol % therein. According to the present invention, there are provided a dielectric composition having excellent dielectric characteristics and electrical characteristics, and a preparation method thereof.