Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Glass composition for substrates with a built-in lead base dielectric material, and multilayer substrate with a built-in capacitor
 A glass composition for a substrate with a built-in lead-dielectric material, containing up to 35 mol % calculated as Al.sub.2 O.sub.3 of aluminum oxide, 20 to 60 mol % calculated as CaO of calcium oxide, and 8 to 40 mol % calculated as SiO.sub.2 of silicon oxide. 
TDK Corporation
C H H H H H H H H
C03C H05K H05K H01G H01L H01L H01L H05K H05K
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Yasuyoshi Hiroshi
Suzuki Tsuyuki