Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Particular or specific manner of positioning – arranging – or...
Reexamination Certificate
2006-02-21
2006-02-21
Walls, Dionne A. (Department: 1731)
Plastic and nonmetallic article shaping or treating: processes
Outside of mold sintering or vitrifying of shaped inorganic...
Particular or specific manner of positioning, arranging, or...
C156S089110
Reexamination Certificate
active
07001569
ABSTRACT:
A method of producing a ceramic multilayer substrate involves: producing a green composite laminate11containing first and second shrink-suppressing layers formed on the main surfaces of a green multilayer mother substrate12containing ceramic powder, the first and second shrink-suppressing layers containing a sintering-difficult powder substantially incapable of being sintered under the sintering conditions for the ceramic powder; forming first grooves16extending from the first shrink-suppressing layer13side into a part of the multilayer mother substrate12; firing the composite laminate11; removing the first and second shrink-suppressing layers13and14; dividing the multilayer mother substrate12along the grooves16and obtaining a plurality of the ceramic multilayer substrates. Thereby, shrinkage in the plan direction at firing can be suppressed. Thus, a ceramic multilayer substrate having a high dimensional accuracy and a high reliability can be produced with a high production efficiency.
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Machine translation of JP 2000-176928 (printed Feb. 16, 2005).
Kawakami Hiromichi
Saitoh Yoshifumi
Dickstein Shapiro Morin & Oshinsky LLP.
Lyles-Irving Carmen
Murata Manufacturing Co. Ltd.
Walls Dionne A.
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