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US 12,545,822 B2Granted
Welding film and joined body
AssigneeResonac Corporation
InventorsRyota Niibayashi, Nobuyuki Takahashi, Hayato Saito, Kunihiro Kuroki
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Abstract
A welding film includes a phenoxy resin, in which a z average molecular weight of the phenoxy resin is 70,000 or more, and a ratio [Mz/Mn] between the z average molecular weight and a number average molecular weight of the phenoxy resin is 5.0 or more.
Claims19
A welding film comprising a phenoxy resin, wherein a z average molecular weight of the phenoxy resin is 70,000 or more, and a ratio [Mz/Mn] between the z average molecular weight and a number average molecular weight of the phenoxy resin is 5.0 or more,
- wherein the phenoxy resin contains no structural units derived from a bisphenol F resin.
Dependencies are inferred from the claim text.