PRINTED WIRING BOARD, CRACK PREDICTION DEVICE, AND CRACK PREDICTION METHOD

A printed wiring board includes: a laminated body that has a plurality of wiring layers laminated therein; a first through hole that electrically connects two or more wiring layers with each other; and a second through hole that has strength to expansion and contraction of the laminated body less th...

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Bibliographische Detailangaben
Hauptverfasser:	IRIGUCHI SHIGEO, SUGINO SHIGERU, NAKAMURA NAOKI, MUKOYAMA TAKAHIDE, KANAI RYO, HATANAKA KIYOYUKI, TAKETOMI NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A printed wiring board includes: a laminated body that has a plurality of wiring layers laminated therein; a first through hole that electrically connects two or more wiring layers with each other; and a second through hole that has strength to expansion and contraction of the laminated body less than in the first through hole.