| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet-like sealing composition that has stable flexibility with time and makes full use of the flux function of carboxylic acid, and a method of producing a semiconductor element using the same.SOLUTION: A sheet-like sealing composition according to the present invention, comprises: thermoplastic resin with a weight average molecular weight of 100,000 or more; epoxy resin; curing accelerator; and a carboxyl group-containing compound with pKa of 3.5 or more. |
