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:
Jun. 17, 2014
Filed:
Sep. 26, 2012
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Yusuke Otsuka, Nagaokakyo, JP;
Yuichi Iida, Nagaokakyo, JP;
Kazuo Kishida, Nagaokakyo, JP;
Takahiro Takada, Nagaokakyo, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
A multilayer ceramic substrate includes a ceramic laminated body including a plurality of ceramic layers stacked on each other, a resistor, and a resistor connecting conductor with a portion overlapping the resistor and an overcoat layer that covers the resistor located on a principal surface of the ceramic laminated body. An overcoat layer is made relatively thick during firing, thereby making cracks less likely to be caused, and after the firing step, the thickness of the overcoat layer is reduced by physically scraping down the surface of the overcoat layer, thereby reducing the trimming time. In the overcoat layer, a region that covers a portion in which a resistor overlaps a resistor connecting conductor is thicker than a region that covers the other portion.