The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 1999
Filed:
Jul. 14, 1997
Motoji Suzuki, Tokyo, JP;
NEC Corporation, Tokyo, JP;
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.