Composite substrates and their production

Details Composite substrates and their production Composite substrates and their production

1993-02-17

1994-11-29

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 12, 501 8, 501 9, 501120, 501122, 501125, 501128, C04B 3516

Patent

active

053690672

ABSTRACT:
A composite substrate is provided, which comprises a cordierite-anorthite-boron base composite material and has a microstructure with anorthite included in the cordierite phase. This substrate can be used in the form of a circuit substrate, because it has high-enough mechanical strength, a coefficient of thermal expansion close to that of silicon and a decreased dielectric constant and, moreover, can be sintered at a low temperature.

REFERENCES:
patent: 3365314 (1968-01-01), Sack
patent: 4301324 (1981-11-01), Kumar et al.
patent: 4814303 (1989-03-01), Chowdhry et al.
patent: 5030592 (1991-07-01), Komarneni et al.
patent: 5036030 (1991-07-01), Taga et al.
patent: 5091348 (1992-02-01), Woodhead et al.
patent: 5130110 (1992-07-01), Rouet et al.
patent: 5173455 (1992-12-01), Terbot et al.

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