Title:
PROCESS FOR PRODUCING CERAMIC SUBSTRATE, AND CERAMIC SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2006/114974
Kind Code:
A1
Abstract:
A process for producing a ceramic multilayer substrate, in which a ceramic substrate having a desirably patterned split-level area can be efficiently produced without the need of complex production steps and production facilities; and a ceramic substrate of high configuration accuracy produced by the production process. On a major surface of unfired ceramic matter (10), while causing auxiliary layer (20) of a material substantially not sintered at the temperature during the firing of the unfired ceramic matter (10) to closely adhere thereto, there is provided auxiliary-layer-furnished unfired ceramic matter (11) having split-level area (15) on its major surface. This auxiliary-layer-furnished unfired ceramic matter in the state of being furnished with the auxiliary layer is fired at a temperature at which the unfired ceramic matter is sintered but the auxiliary layer is substantially not sintered. Die (30) having convex area (22) is caused to match the auxiliary layer lying side of the auxiliary-layer-furnished unfired ceramic matter, and pressed. Thus, split-level area (concave area) (15(15a)) having a configuration corresponding to that of the contour of the convex area (22) is generated in the auxiliary layer lying side of the auxiliary-layer-furnished unfired ceramic matter.
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Inventors:
Ito, Yuki c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Chikagawa, Osamu c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ikeda, Tetsuya c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Chikagawa, Osamu c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ikeda, Tetsuya c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Application Number:
PCT/JP2006/306553
Publication Date:
November 02, 2006
Filing Date:
March 29, 2006
Export Citation:
Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ito, Yuki c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Chikagawa, Osamu c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ikeda, Tetsuya c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ito, Yuki c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Chikagawa, Osamu c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
Ikeda, Tetsuya c/o Murata Manufacturing Co. Ltd. (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 61785, JP)
International Classes:
C04B35/64; B28B11/10; H05K3/46
Attorney, Agent or Firm:
Nishizawa, Hitoshi (5Th Floor, Daido Seimei Minami-kan 1-2-11 Edobori, Nishi-k, Osaka-shi Osaka 02, 55000, JP)
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