Metal working – Method of mechanical manufacture – Electrical device making
Patent
1986-03-14
1987-12-29
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Electrical device making
29852, H01K 322, H01K 310
Patent
active
047151170
ABSTRACT:
A ceramic substrate having a plurality of holes arranged regularly with a specified pitch can be used for an universal high density ceramic wiring board, wherein predetermined one or more holes among said plurality of holes are used as through holes for interconnecting both side circuits, and the remaining holes not used for a circuit are filled with an electrical insulating material.
Said ceramic substrate of universal type can easily be produced inexpensively and within a short lead time, because said substrate requires no individual mold for each of various circuits to punch a green sheet and can be kept in stock as a fired ceramic substrate.
Eley Timothy V.
Ibiden Kabushiki Kaisha
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