Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2005-01-25
2005-01-25
Stein, Stephen (Department: 1775)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S458000, C428S473500, C428S901000, C528S044000, C528S045000, C528S052000, C528S310000, C528S322000, C257SE21503
Reexamination Certificate
active
06846550
ABSTRACT:
An adhesive film for underfill which relaxes the stress formed in the wiring circuit substrate, semiconductor element and electrode parts for connection. The adhesive film is a quickly hardening type, and forms a highly heat resistant sealing resin layer quickly between the wiring circuit substrate and semiconductor element of a semiconductor device.
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Hotta Yuji
Matsumura Akiko
Sadayori Naoki
Uwada Kazuki
Nitto Denko Corporation
Stein Stephen
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