Insulator composition, insulator paste and laminated electronic part

An insulator composition which can be sintered at a relatively low temperature and which exhibits a low dielectric constant and a thermal expansion coefficient suitable for forming an insulator layer of a laminated electronic part contains a crystallized glass composition containing SiO2, MgO and Ca...

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Bibliographic Details
Main Authors TANAKA TOSHIKI, KAWAKAMI HIROMICHI
Format Patent
LanguageEnglish
Published 03.09.2002
Edition7
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CABLES
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CEMENTS
CERAMICS
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
CONDUCTORS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GLASS
INSULATORS
JOINING GLASS TO GLASS OR OTHER MATERIALS
LIME, MAGNESIA
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
METALLURGY
MINERAL OR SLAG WOOL
PRINTED CIRCUITS
REFRACTORIES
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SLAG
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TREATMENT OF NATURAL STONE
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Summary:An insulator composition which can be sintered at a relatively low temperature and which exhibits a low dielectric constant and a thermal expansion coefficient suitable for forming an insulator layer of a laminated electronic part contains a crystallized glass composition containing SiO2, MgO and CaO as main components, and Al2O3, an amorphous silicate glass composition, and a ceramic composition. The composition ratio by weight % (SiO2, MgO, CaO) of the main components of the crystallized glass composition lies in a region surrounded by point A (30, 25, 45), point B (30, 5, 65), point C (45, 5, 50) and point D (45, 25, 30) shown in a ternary composition diagram thereof. The thermal expansion coefficient of the insulator composition after sintering can easily be changed by changing the content ratio of the crystallized glass composition, the amorphous silicate glass composition and the ceramic composition.
Bibliography:Application Number: US20000656362