Title:
METHOD FOR MANUFACTURING CERAMIC SUBSTRATE, AND CERAMIC SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2020/261707
Kind Code:
A1
Abstract:
A method for manufacturing a ceramic substrate having a recess part on the upper surface, the method having: a step for cutting a mother laminate, which is obtained by laminating a plurality of ceramic green sheets, in a direction that follows the lamination direction of the plurality of ceramic green sheets and that is perpendicular to the main surfaces of the mother laminate, and forming individual laminates formed as individual ceramic substrates after firing; and a step for performing press working on a first end surface of an individual laminate, the first end surface being parallel to the lamination direction of the plurality of ceramic green sheets and intersecting the main surfaces, to thereby form a recess part in the pre-firing individual laminate.
Inventors:
SAI KOKI (JP)
Application Number:
PCT/JP2020/015992
Publication Date:
December 30, 2020
Filing Date:
April 09, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01L23/12; H03H9/02; H05K1/02; H05K3/00
Foreign References:
| JPH01295492A | 1989-11-29 | |||
| JP2017098400A | 2017-06-01 | |||
| JP2005026317A | 2005-01-27 | |||
| JP2015162505A | 2015-09-07 | |||
| JP2015170756A | 2015-09-28 | |||
| JP2012160589A | 2012-08-23 | |||
| JP2007042893A | 2007-02-15 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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