Method and apparatus for generating design information, and computer product

An apparatus generates design information on a via hole that passes through predetermined layers of a multilayer wiring board, by storing information on at least one of a shape and a size of a land to be provided around the via hole. When designing a via hole that passes through a plurality of inter...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA HIROSHI, KONNO EIICHI, KAWAMICHI TAKETSUGU
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PHYSICS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	An apparatus generates design information on a via hole that passes through predetermined layers of a multilayer wiring board, by storing information on at least one of a shape and a size of a land to be provided around the via hole. When designing a via hole that passes through a plurality of internal layers of the wiring board, the land information for an internal layer is applied to each internal layer through which the via hole passes.