| abstract |
The present invention provides a method for readily andnefficiently manufacturing a ceramic substrate (10) having annexcellent dimensional accuracy and small degree of warpncomprising the steps of: preparing a non-sinterednmultilayer ceramic body (1) formed by laminating ceramicnlayers and conductor layers; forming a multilayer ceramicnbody (1) with constraint layers (7a, 7b) by adhering a firstnconstraint layer (7a) and a second constraint layer (7b) onnone major surface (6a) and the other major surface (6b),nrespectively, of the multilayer ceramic body (1), the firstnand second constraint layers (7a, 7b) being prepared byndispersing a ceramic powder that is not sintered under thensintering condition of the multilayer ceramic body; firingnthe multilayer ceramic body (1) with the constraint layersn(7a, 7b) under the firing condition of the multilayernceramic body (1); and removing the first constraint layern(7a) and the second constraint layer (7b) after sinteringnthe multilayer ceramic body (1), wherein the thickness (T1)nof the first constraint layer (7a) is made to be larger thannthe thickness (T2) of the second constraint layer (7b), andnthe first constraint layer (7a) is provided on one majornsurface (6a) that is more largely contracted by firing. |