Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1998-06-24
2000-09-12
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361795, 361792, 361748, 174252, 174255, 174258, 174261, 428901, H05K 111
Patent
active
061186716
ABSTRACT:
Ceramic circuit substrate which is sintered at 900 to 1,050.degree. C. and have low relative dielectric constant, thermal expansion coefficient comparable to that of silicon, and high bending strength, and a method of manufacturing are provided by using a glass with a softening point of 850 to 1,100.degree. C., that is, a glass having a composition included in an area in FIG. 1 (triangular composition diagram of SiO.sub.2 --B.sub.2 O.sub.3 --R.sub.2 O, a composition is represented by the position of a small circle, the number in a small circle represents the composition number) defined with lines connecting points representing the first, third, tenth, eleventh, and fourth compositions respectively as raw material.
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Fujita Tsuyoshi
Ishihara Shousaku
Iwanaga Shoichi
Kobayashi Fumiyuki
Morita Kousaku
Foster David
Hitachi , Ltd.
Picard Leo P.
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