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
2005-09-13
2005-09-13
Lam, Cathy F. (Department: 1775)
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...
C264S642000, C264S297400, C156S085000, C156S089110, C428S210000
Reexamination Certificate
active
06942833
ABSTRACT:
To produce a green composite laminate11, a green multilayer collective substrate13containing low-temperature sinterable glass ceramic powder as a main ingredient is disposed between first and second shrinkage-restraining layers14aand14bcontaining alumina powder as a main ingredient. Grooves16are formed on one main surface11aof the green composite laminate11such as to pass through the first shrinkage-restraining layer14aand the green multilayer collective substrate13and reach the second shrinkage-restraining layer14b, but not to reach the other main surface11bof the green composite laminate11. The green composite laminate11provided with the grooves16is sintered under conditions where the low-temperature sinterable glass ceramic powder is sintered and the green first and second shrinkage-restraining layers14aand14bare removed to prepare a plurality of ceramic multilayer substrates. This manufacturing method offers ceramic multilayer substrates with a high dimensional accuracy and substantially prevents defective divisions when a multilayer collective substrate is split into a plurality of ceramic multilayer substrates.
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International Search Report—PCT/JP03/00641.
Kawakami Hiromichi
Saito Yoshifumi
Dickstein Shapiro Morin & Oshinsky LLP.
Lam Cathy F.
Murata Manufacturing Co. Ltd.
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