Platible non-metallic filler material for metallurgical screenin

Details Platible non-metallic filler material for metallurgical screenin Platible non-metallic filler material for metallurgical screenin

1998-05-01

2000-05-30

Speer, Timothy

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428210, 428336, 428472, 428701, 428702, 501134, B32B 300, C04B 3546

Patent

active

060689129

ABSTRACT:
A paste for one of a via and an external feature, such as a pad, tab, or line, of a ceramic substrate, includes at least one of titania and zirconia, and a filler material mixed with the at least one of titania and zirconia. Further, the via structure or external feature such as an input/output pad, tab, or line, includes a metallic plating thereover. A method of forming the via structure or the external feature on the ceramic substrate, includes steps of either depositing the paste in the via of the ceramic substrate or depositing the paste on the ceramic substrate, and depositing, by a dry process metallic plating, a metallic plating on the paste. The paste includes at least one of titania and zirconia for reducing residual stress without effecting the platability of the metallic plating.

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patent: 5698015 (1997-12-01), Mohri et al.
patent: 5787578 (1998-08-01), Farooq et al.
patent: 5869134 (1999-02-01), Reddy et al.

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