Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1997-07-14
1999-07-20
Jones, Deborah
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428901, 174250, 174260, 174261, 257725, 257738, 257778, 361760, 361777, 361779, 361782, B32B 300, H05K 702
Patent
active
059254459
ABSTRACT:
The present invention provides a printed wiring board on which a bear chip is bonded in face-down. The printed wiring board has wiring patterns extending over the printed wiring board, wherein a plurality of wirings are provided which extend radially and outwardly from a center area of the printed wiring board, and wherein each of the wirings comprises at least a bear chip mounting pad region for contacting bumps of the bear chip, at least an external wiring pad region for connecting to an external wiring, and at least a covered region being covered by at least an insulation layer and the covered region separating between the bear chip mounting pad region and the external wiring pad region and a sealing material is filled within a space defined between the printed wiring board and the bear chip.
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Jones Deborah
Lam Cathy F.
NEC Corporation
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