Curable resin composition, dry film, cured product, and electronic component

2:

• The curable resin composition according to claim 1, wherein the silica further includes a second silica different from the nanosilica such that the second silica has an average secondary particle size of more than 200 nm.

3:

• The curable resin composition according to claim 2, wherein the second silica has an average secondary particle size in a range of 400 nm to 1600 nm.

4:

• The curable resin composition according to claim 1, wherein a blending amount of the nanosilica is 50% by mass or more relative to a total blending amount of the silica.

5:

• The curable resin composition according to claim 1, wherein the curable resin composition further includes rubber particles.

6:

• A dry film, comprising:
• a resin layer obtained by a process comprising applying and drying the curable resin composition of claim 1 on a film.

7:

• A cured product obtained by a process comprising curing the curable resin composition of claim 1.

8:

• An electronic component, comprising:
• the cured product of claim 7.

9:

• A cured product obtained by a process comprising curing a resin layer of the dry film of claim 6.

10:

• An electronic component, comprising:
• the cured product of claim 9.

11:

• The curable resin composition according to claim 2, wherein a blending amount of the nanosilica is 50% by mass or more relative to a total blending amount of the silica.

12:

• The curable resin composition according to claim 3, wherein a blending amount of the nanosilica is 50% by mass or more relative to a total blending amount of the silica.

13:

• The curable resin composition according to claim 2, wherein the curable resin composition further includes rubber particles.

14:

• The curable resin composition according to claim 3, wherein the curable resin composition further includes rubber particles.

15:

• The curable resin composition according to claim 4, wherein the curable resin composition further includes rubber particles.

16:

• The curable resin composition according to claim 11, wherein the curable resin composition further includes rubber particles.

17:

• The curable resin composition according to claim 12, wherein the curable resin composition further includes rubber particles.

18:

• A dry film, comprising:
• a resin layer obtained by a process comprising applying and drying the curable resin composition of claim 2 on a film.

19:

• A dry film, comprising:
• a resin layer obtained by a process comprising applying and drying the curable resin composition of claim 3 on a film.

20:

• A dry film, comprising:
• a resin layer obtained by a process comprising applying and drying the curable resin composition of claim 4 on a film.