Silicon nitride liner for promotion of mold adhesion in integrated circuits
AssigneeIntel Corporation
InventorsXavier Francois Brun, Jason M. Gamba, Srinivas V. Pietambaram
Life of this patent
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Abstract
An example an IC package including a liner for promotion of mold adhesion includes a conductive structure on a support surface; a mold material at least partially encasing the conductive structure; and a liner on a surface of the conductive structure between the surface of the conductive structure and the mold material, wherein the liner comprises a material including silicon and nitrogen.
Claims20
An integrated circuit (IC) package, comprising:
- a conductive structure over a surface;
- an IC die proximate the conductive structure and coupled to the surface, wherein the IC die has a first face facing the surface, a second face opposite the first face, and a side extending between the first face and the second face;
- an insulator material at least partially encasing the conductive structure;
- a first liner on a surface of the conductive structure, wherein the first liner is between the surface of the conductive structure and the insulator material, and wherein the first liner includes silicon and nitrogen;
- and,
- a second liner on the side of the IC die, wherein the second liner is between the side of the IC die and the insulator material.
A microelectronic assembly, comprising:
- a conductive structure comprising a conductive pillar;
- an IC die proximate the conductive structure, the IC die comprising first and second faces opposite one another, and further comprising sides extending between the first and second faces;
- an insulator material encasing at least a portion of the IC die and the conductive structure;
- a first liner on a surface of the conductive structure, wherein the first liner is between the surface of the conductive structure and the insulator material;
- and
- a second liner on the sides of the IC die, wherein the second liner is between the sides of the IC die and the insulator material,
- wherein the first and second liners include silicon and nitrogen.
A process of making a microelectronic assembly, the process comprising:
- providing a conductive structure comprising a pillar that includes copper;
- providing an IC die proximate the conductive structure, the IC die comprising first and second faces opposite one another, and further comprising sides extending between the first and second faces;
- providing an insulator material encasing at least a portion of the IC die and the conductive structure;
- providing a first liner on a surface of the conductive structure, wherein the first liner is between the surface of the conductive structure and the insulator material;
- and
- providing a second liner on the sides of the IC die, wherein the second liner is between the sides of the IC die and the insulator material;
- wherein the first and second liners include silicon and nitrogen.
An integrated circuit (IC) package, comprising:
- a conductive structure over a surface;
- an IC die proximate the conductive structure and coupled to the surface, wherein the IC die has a first face facing the surface, a second face opposite the first face, and a side extending between the first face and the second face;
- an insulator material at least partially encasing the conductive structure, wherein a portion of the insulator material is on at least a portion of the first face of the IC die;
- a first liner on a surface of the conductive structure, wherein the first liner is between the surface of the conductive structure and the insulator material, and wherein the first liner includes silicon and nitrogen;
- and
- a second liner on at least a portion of the surface, wherein the second liner is between the insulator material on the portion of the first face of the IC die and the portion of the surface.
Dependencies are inferred from the claim text.