Process for manufacturing multi-layer glass ceramic substrate

Details Process for manufacturing multi-layer glass ceramic substrate Process for manufacturing multi-layer glass ceramic substrate

1992-04-13

1995-10-17

Fiorilla, Christopher A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 61, B32B 1800

Patent

active

054587093

ABSTRACT:
A process for manufacturing a multi-layer glass ceramic substrate which includes the steps of forming green sheets containing ceramic powders and glass powders as main ingredients, laminating the green sheets, and firing the laminated green sheets to form a multi-layer glass ceramic substrate, wherein at least one green sheet containing porous glass powders as a part of the glass powders, is provided to control the shrinkage of the green sheets and prevent cracks or delamination. The preferred process includes the steps of forming a single layer by i) forming first green sheets containing ceramic powders, glass powders, hollow glass spheres and porous glass powders as main ingredients, ii) forming an interconnection layer on each of the first green sheets, and iii) laminating the first green sheets with the interconnection layer; sandwiching the signal layer between upper and lower green sheets containing ceramic powders and glass powders as main ingredients; and firing the sandwiched signal layer to form the multi-layer glass ceramic substrate.

REFERENCES:
patent: 4642148 (1987-02-01), Kurihara et al.
patent: 4840653 (1989-06-01), Rabinovich
patent: 4865875 (1989-09-01), Kellerman
patent: 4867935 (1989-09-01), Morrison, Jr.
patent: 5173457 (1992-12-01), Shorthouse
Abe, Patent Abstracts of Japan C912, vol. 16, No. 66 published Feb. 19, 1992.
12th Edition Materials Handbook, Brady & Clausen, copyright 1986 p. 170.

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