Semiconductor device connected by anisotropic conductive film having a reliability adhesive strength
A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film including a binder resin; a first radical polymerization material having one or two (meth)acrylate reactive groups in a structure thereof and a second radical polymerization material having at least three (meth)acrylate reactive groups in a structure thereof; and conductive particles, the anisotropic conductive film having a moisture permeability of 170 g/m 2 /24 hr or less and a moisture absorbency of 2% or less.
1. A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film comprising:
a binder resin;
a first radical polymerization material having one or two (meth)acrylate reactive groups in a structure thereof and a second radical polymerization material having at least three (meth)acrylate reactive groups in a structure thereof; and
conductive particles,
the anisotropic conductive film having a moisture permeability of 170 g/m 2 /24 hr or less and a moisture absorbency of 2% or less,
wherein the anisotropic conductive film has a reliability connection resistance of 3Ω or less, as measured after being subjected to pre-compression under conditions of 60° C. to 80° C. at 1.0 MPa to 4.0 MPa for 1 second to 3 seconds and primary compression under conditions of 170° C. to 200° C. at 2.5 MPa to 7 MPa for 1 second to 7 seconds with a release film removed from the pre-compressed anisotropic conductive film, and being left at a temperature of 85° C. and a relative humidity of 85% for 500 hours.
2. The semiconductor device as claimed in claim 1 , wherein the anisotropic conductive film has a reliability adhesive strength of 400 gf/cm or more, as measured after being subjected to pre-compression under conditions of 60° C. to 80° C. at 1.0 MPa to 4.0 MPa for 1 second to 3 seconds and primary compression under conditions of 170° C. to 200° C. at 2.5 MPa to 7 MPa for 1 second to 7 seconds with a release film removed from the pre-compressed anisotropic conductive film, and being left at a temperature of 85° C. and a relative humidity of 85% for 500 hours.
3. The semiconductor device as claimed in claim 1 , wherein the anisotropic conductive film has a reliability bubbling area of 20% or less, as measured after being subjected to pre-compression under conditions of 60° C. to 80° C. at 1.0 MPa to 4.0 MPa for 1 second to 3 seconds and primary compression under conditions of 170° C. to 200° C. at 2.5 MPa to 7 MPa for 1 second to 7 seconds with a release film removed from the pre-compressed anisotropic conductive film, and being left at a temperature of 85° C. and a relative humidity of 85% for 500 hours.
4. The semiconductor device as claimed in claim 1 , wherein the anisotropic conductive film includes:
30 wt % to 80 wt % of the binder resin;
6 wt % to 60 wt % of the radical polymerization materials; and
0.1 wt % to 20 wt % of the conductive particles, all in terms of solid content.
5. The semiconductor device as claimed in claim 1 , wherein a weight ratio of the first radical polymerization material to the second radical polymerization material (first radical polymerization material/second radical polymerization material) ranges from 1 to 10.
6. The semiconductor device as claimed in claim 1 , wherein the binder resin includes at least two types of resins having different weight average molecular weights.
7. The semiconductor device as claimed in claim 6 , wherein the binder resin includes at least two types of resins selected from the group of acrylonitrile-butadiene rubber resins, polyurethane resins, or acryl resins.
8. The semiconductor device as claimed in claim 1 , wherein the first radical polymerization material includes at least one selected from the group of hydroxybutyl (meth)acrylate, methyl (meth)acrylate, ethyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, or glycidyl (meth)acrylate.
9. The semiconductor device as claimed in claim 1 , wherein the second radical polymerization material includes at least one selected from the group of pentaerythritol tri(meth)acrylate, trimethylolpropane tri(meth)acrylate, tri(meth)acrylate of ethylene oxide-modified trimethylolpropane, pentaerythritol tetra(meth)acrylate, or dipentaerythritol hexa(meth)acrylate.
10. The semiconductor device as claimed in claim 1 , wherein the anisotropic conductive film further includes inorganic particles.
11. The semiconductor device as claimed in claim 10 , wherein the inorganic particles are present in an amount of 0.1 wt % to 20 wt %, based on a total weight of the anisotropic conductive film in terms of solid content.
12. A semiconductor device, comprising:
a first connecting member including a first electrode;
a second connecting member including a second electrode; and
an anisotropic conductive film between the first connecting member and the second connecting member and bonding the first electrode to the second electrode, the anisotropic conductive film including:
a binder resin;
a first radical polymerization material having one or two (meth)acrylate reactive groups in a structure thereof and a second radical polymerization material having at least three (meth)acrylate reactive groups in a structure thereof; and
conductive particles,
the anisotropic conductive film having a moisture permeability of 170 g/m 2 /24 hr or less and a moisture absorbency of 2% or less,
wherein the anisotropic conductive film has a reliability connection resistance of 3Ω or less, as measured after being subjected to pre-compression under conditions of 60° C. to 80° C. at 1.0 MPa to 4.0 MPa for 1 second to 3 seconds and primary compression under conditions of 170° C. to 200° C. at 2.5 MPa to 7 MPa for 1 second to 7 seconds with a release film removed from the pre-compressed anisotropic conductive film, and being left at a temperature of 85° C. and a relative humidity of 85% for 500 hours.
13. A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film comprising:
a binder resin;
a first radical polymerization material having one or two (meth)acrylate reactive groups in a structure thereof and a second radical polymerization material having at least three (meth)acrylate reactive groups in a structure thereof; and
conductive particles,
the anisotropic conductive film having a moisture permeability of 170 g/m 2 /24 hr or less and a moisture absorbency of 2% or less,
wherein the anisotropic conductive film has a reliability bubbling area of 20% or less, as measured after being subjected to pre-compression under conditions of 60° C. to 80° C. at 1.0 MPa to 4.0 MPa for 1 second to 3 seconds and primary compression under conditions of 170° C. to 200° C. at 2.5 MPa to 7 MPa for 1 second to 7 seconds with a release film removed from the pre-compressed anisotropic conductive film, and being left at a temperature of 85° C. and a relative humidity of 85% for 500 hours.