Fan-out electronic device
An electronic device ( 100 ) includes a substrate ( 110 ) and an integrated circuit ( 120 ) provided on the substrate ( 110 ) having a surface facing away from the substrate ( 110 ). An insulating layer ( 150 ) extends over the substrate ( 110 ) and around the integrated circuit ( 120 ) to define an interface ( 154 ) between the insulating layer ( 150 ) and the integrated circuit ( 120 ). An electrically conductive via ( 130 ) is provided on the surface of the integrated circuit ( 120 ). An insulating material ( 140 ) extends over the via ( 130 ) and includes an opening ( 142 ) exposing a portion of the via ( 130 ). A repassivation member ( 162 ) extends over the insulating layer ( 150 ) and has a surface ( 164 ) aligned with the interface ( 154 ). An electrically conductive redistribution member ( 181 ) is electrically connected to the via ( 130 ) and extends over the repassivation member ( 162 ) into contact with the insulating layer ( 150 ).
1. An electronic device comprising:
a substrate;
an integrated circuit on the substrate and including a first surface facing away from the substrate;
an insulating layer extending over the substrate and around the integrated circuit to define an interface between the insulating layer and the integrated circuit along a lateral surface of the integrated circuit;
an electrically conductive via on the first surface of the integrated circuit,
an insulating material extending over the via and including an opening exposing a portion of the via;
a repassivation member extending over the insulating layer, the repassivation member aligned with the interface such that the lateral surface of the integrated circuit is between the repassivation member and the substrate in a direction extending perpendicular to a surface of the substrate; and
an electrically conductive redistribution member electrically connected to the via and extending over the repassivation member into contact with the insulating layer; wherein the repassivation member includes a hemispherical shape.
2. The electronic device recited in claim 1 , wherein the interface includes a polygonal shape and a length extending around a perimeter of the integrated circuit.
3. The electronic device recited in claim 2 , wherein the repassivation member includes a length equal to a length of the interface.
4. The electronic device recited in claim 1 , wherein the repassivation member includes a length less than a length of the interface.
5. The electronic device recited in claim 1 , wherein the repassivation member includes an ink residue printed onto the insulating layer and the via.
6. The electronic device recited in claim 1 , wherein the repassivation member includes a thickness extending parallel to the interface of at least 5 μm.
7. The electronic device recited in claim 1 , wherein the repassivation member includes a width extending perpendicular to the interface of about 1 μm to about 10 μm.
8. The electronic device recited in claim 1 , wherein the redistribution member includes a curved base extending over the repassivation member, a first leg including a projection engaging the via, and a second leg extending away from the first leg and contacting the insulating layer.
9. The electronic device recited in claim 1 , wherein the repassivation member is formed from an insulating material.
10. The electronic device recited in claim 1 , wherein a breakdown voltage of the repassivation member is at least 1000V.
11. The electronic device recited in claim 1 , wherein the repassivation member contacts the insulating layer.
12. An electronic device comprising:
a substrate including a first surface;
an integrated circuit on the first surface, the integrated circuit including a second surface facing away from the substrate, the integrated circuit including a lateral surface extending transverse to the first surface;
an electrically conductive via on the second surface;
an insulating layer interfacing with the lateral surface, the insulating layer including a third surface facing away from the substrate;
a repassivation member on the third surface, the repassivation member positioned such that a line extending away from the substrate along the lateral surface passes through the repassivation member;
an electrically conductive redistribution member in contact with the third surface on a first side of the repassivation member and in contact with the via on a second side of the repassivation member opposite the first side, the redistribution member extending over the repassivation member between the first and second sides; and
an insulating material extending between the insulating layer and the via, wherein the repassivation member directly contacts the insulating material.
13. The electronic device recited in claim 12 , wherein the insulating material includes a fourth surface facing away from the substrate, a first portion of the repassivation member on the third surface and a second portion of the repassivation member on the fourth surface.
14. The electronic device recited in claim 12 , wherein the repassivation member extends longitudinally along a path along the third surface, the path corresponding to a shape of the lateral surface.