Integrated circuit package and method of fabrication

Claim 2

A semiconductor package comprising: a semiconductor die having a plurality of bond pads; at least one piece of a polymer tape having a first end and a second end and having a plurality of conductors thereon, each of said plurality of conductors being connected to one of said plurality of bond pads at said first end of said polymer tape; wherein said at least one piece of polymer tape is secured at said first end thereof to a first surface of said semiconductor die and is folded back on said semiconductor die such that said second end is positioned below said semiconductor die; a first adhesive to secure said second end of said at least one piece of polymer tape to a bottom surface of said semiconductor die; a plurality of contacts on said polymer tape at said second end for connection to a substrate; and a second adhesive used to secure said at least one piece of polymer tape to said substrate, wherein said second adhesive has a lower adhesion release temperature than said first adhesive.

Claim 3

The semiconductor package according to claim 1, wherein said at least one piece of polymer tape further comprises: a plurality of apertures, wherein each of said plurality of conductors extends into and terminates within one of said plurality of apertures, said plurality of apertures being aligned with said plurality of bond pads of said semiconductor die, said plurality of bond pads being connected to said plurality of conductors through said plurality of apertures.

Claim 4

The semiconductor package according to claim 1, wherein said polymer tape further comprises: a plurality of conductors on a first and second side of said polymer tape, each of said plurality of conductors on said second side being connected to one of said plurality of bond pads on said semiconductor die; and a plurality of vias through said polymer tape which connect said plurality of conductors on said second side of said polymer tape to said plurality of conductors on said first side of said polymer tape.

Claim 5

The semiconductor package according to claim 1, wherein said plurality of conductors extend beyond said first end of said polymer tape, said first end of said polymer tape being secured to said first surface of said semiconductor die to allow said extended conductors to align with said bond pads for connection.

Claim 6

The semiconductor package according to claim 1 further comprising: an encapsulant covering at least a portion of said semiconductor die.

Claim 7

A semiconductor package comprising: a plurality of semiconductor dies, each having a plurality of bond pads; a plurality of pieces of polymer tapes, each having a plurality of conductors thereon connected to said plurality of bond pads of one of said plurality of semiconductor dies; a first support upon which said plurality of semiconductor dies are mounted; and a second support having a top surface and a bottom surface, said first support being mounted to said top surface of said second support such that said bond pads of said plurality of semiconductor dies face said top surface of said second support, wherein said plurality of pieces of polymer tape are folded back under said second support, said plurality of conductors being connected to conductors of a substrate.

Claim 8

A semiconductor package comprising: a plurality of semiconductor dies, each having a plurality of bond pads; a plurality of pieces of polymer tapes, each having a plurality of conductors thereon connected to said plurality of bond pads of one of said plurality of semiconductor dies; a first support upon which said plurality of semiconductor dies are mounted; and a second support having a top surface and a bottom surface, said first support being mounted to said top surface of said second support such that said bond pads of said plurality of semiconductor dies face said top surface of said second support, wherein said plurality of pieces of polymer tape are folded back under said second support, said plurality of conductors being connected to conductors of a substrate.

Claim 9

The semiconductor package according to claim 6 further comprising an adhesive to secure said folded back plurality of pieces of polymer tape to said bottom surface of said second support.

Claim 10

The semiconductor package according to claim 7 further comprising: a first adhesive to secure said folded back plurality of pieces of polymer tape to said bottom surface of said second support; and a second adhesive used to secure said plurality of pieces of polymer tape to said substrate, wherein said second adhesive has a lower adhesion release temperature than said first adhesive.

Claim 11

The semiconductor package according to claim 6, wherein said first support further comprises: a non-conductive material.

Claim 12

The semiconductor package according to claim 9, said non-conductive material further comprising: a heatsink material.

Claim 13

The semiconductor package according to claim 6, wherein said second support further comprises: a heatsink material.

Claim 14

The semiconductor package according to claim 6 further comprising: an encapsulant covering at least a portion of said plurality of semiconductor dies.

Claim 15

A semiconductor package comprising: a semiconductor die having a plurality of bond pads; at least one piece of a flexible interconnect, each having a first end and a second end, and a plurality of conductors on a first side extending substantially from said first end to said second end; and a support, having a top surface and a bottom surface, each of said at least one piece of flexible interconnect having said first end secured to said top surface with said conductors facing away from said top surface and folded back under said support such that conductors face away from said bottom surface of said support, wherein said plurality of bond pads of said semiconductor die are electrically connected to said plurality of conductors facing away from said top surface of said support, and said conductors facing away from said bottom surface of said support are connected to conductors of a substrate.

Claim 16

A semiconductor package comprising: a semiconductor die having a plurality of bond pads; at least one piece of a flexible interconnect, each having a first end and a second end, and a plurality of conductors on a first side extending substantially from said first end to said second end; and a support, having a top surface and a bottom surface, each of said at least one piece of flexible interconnect having said first end secured to said top surface with said conductors facing away from said top surface and folded back under said support such that conductors face away from said bottom surface of said support, wherein said plurality of bond pads of said semiconductor die are electrically connected to said plurality of conductors facing away from said top surface of said support, and said conductors facing away from said bottom surface of said support are connected to conductors of a substrate.

Claim 17

The semiconductor package according to claim 13 further comprising: an adhesive to secure said at least one piece of a flexible interconnect to said support.

Claim 18

The semiconductor package according to claim 13 further comprising: a first adhesive used to secure said at least one piece of a flexible interconnect to said support; and a second adhesive used to secure said at least one piece of a flexible interconnect to said substrate, wherein said second adhesive has a lower adhesion release temperature than said first adhesive.

Claim 19

The semiconductor package according to claim 13 further comprising: an encapsulant covering at least a portion of said semiconductor die.

Claim 20

A semiconductor package comprising: a first semiconductor die having a plurality of bond pads; a second semiconductor die having a plurality of bond pads; a first support having a top surface and a bottom surface; a second support having a top surface and a bottom surface; a first plurality of pieces of polymer tape each having a first end and a second end, with a plurality of conductors on a first side extending substantially from said first end to said second end, said first ends of said first plurality of pieces of polymer tape secured to said top surface of said first support such that said plurality of conductors face away from said top surface of said first support, said plurality of pieces of polymer tape being folded back under said first support with said second end of said plurality of pieces of polymer tape being secured to said bottom surface of said first support, wherein said plurality of bond pads of said first semiconductor are connected to at least a portion of said plurality of conductors facing away from said top surface of said first support; a second plurality of pieces of polymer tape, each having a first end and a second end with a plurality of conductors on a first side extending substantially from said first end to said second end, said first ends of said second plurality of pieces of polymer tape secured to said top surface of said second support such that said conductors face away from said top surface of said second support, said second plurality of pieces of polymer tape being folded back under said second support with said second ends of said second plurality of pieces of polymer tape being secured to said bottom surface of said second support, wherein said plurality of bond pads of said second semiconductor die are connected to said conductors facing away from said top surface of said second support, and said second support is mounted above said first semiconductor die such that said conductors facing away from said bottom surface of said second support are connected to at least a portion of said conductors facing away from said top surface of said first support, and said conductors facing away from said bottom surface of said first support are connected to conductors of a substrate.

Claim 21

A semiconductor package comprising: a first semiconductor die having a plurality of bond pads; a second semiconductor die having a plurality of bond pads; a first support having a top surface and a bottom surface; a second support having a top surface and a bottom surface; a first plurality of pieces of polymer tape each having a first end and a second end, with a plurality of conductors on a first side extending substantially from said first end to said second end, said first ends of said first plurality of pieces of polymer tape secured to said top surface of said first support such that said plurality of conductors face away from said top surface of said first support, said plurality of pieces of polymer tape being folded back under said first support with said second end of said plurality of pieces of polymer tape being secured to said bottom surface of said first support, wherein said plurality of bond pads of said first semiconductor are connected to at least a portion of said plurality of conductors facing away from said top surface of said first support; a second plurality of pieces of polymer tape, each having a first end and a second end with a plurality of conductors on a first side extending substantially from said first end to said second end, said first ends of said second plurality of pieces of polymer tape secured to said top surface of said second support such that said conductors face away from said top surface of said second support, said second plurality of pieces of polymer tape being folded back under said second support with said second ends of said second plurality of pieces of polymer tape being secured to said bottom surface of said second support, wherein said plurality of bond pads of said second semiconductor die are connected to said conductors facing away from said top surface of said second support, and said second support is mounted above said first semiconductor die such that said conductors facing away from said bottom surface of said second support are connected to at least a portion of said conductors facing away from said top surface of said first support, and said conductors facing away from said bottom surface of said first support are connected to conductors of a substrate.

Claim 22

The semiconductor package of claim 17 further comprising: an adhesive for securing said plurality of pieces of polymer tape to each of said first support and said second support.

Claim 23

The semiconductor package of claim 18 further comprising: a first adhesive used to secure said plurality of pieces of polymer tape to each of said first support and said second support; and a second adhesive used to secure said plurality of pieces of polymer tape to said substrate, wherein said second adhesive has a lower adhesion release temperature than said first adhesive.

Claim 24

The semiconductor package according to claim 17 further comprising: an encapsulant covering at least a portion of said first and second semiconductor die.

Claim 25

A semiconductor package comprising: a first semiconductor die secured to a first support; and a second semiconductor die secured to a second support mounted above said first semiconductor die, wherein signals between said first semiconductor die and said second semiconductor die are carried by a plurality of conductors on a plurality of pieces of polymer tape secured to said first and second supports.

Claim 26

A semiconductor package comprising: a first semiconductor die secured to a first support; and a second semiconductor die secured to a second support mounted above said first semiconductor die, wherein signals between said first semiconductor die and said second semiconductor die are carried by a plurality of conductors on a plurality of pieces of polymer tape secured to said first and second supports.

Claim 27

The semiconductor package according to claim 21 further comprising: an adhesive used to secure said polymer tape to said first and said second support.

Claim 28

The semiconductor package according to claim 22 further comprising: a first adhesive used to secure said polymer tape to said first and said second support; and a second adhesive used to secure said plurality of pieces of polymer tape to a substrate, wherein said second adhesive has a lower adhesion release temperature than said first adhesive.

Claim 29

The semiconductor package according to claim 22 further comprising: an encapsulant covering at least a portion of said first and second semiconductor die.

Claim 30

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a plurality of semiconductor dies, each having a plurality of bond pads; a plurality of pieces of polymer tape, each having a plurality of conductors thereon connected to said plurality of bond pads of one of said plurality of semiconductor dies; a first support upon which said plurality of semiconductor dies are mounted; and a second support having a top surface and a bottom surface, said first support being mounted to said top surface of said second support such that said bond pads of said plurality of semiconductor dies face said top surface of said second support, wherein said plurality of pieces of polymer tape are folded back under said second support, said plurality of conductors being connected to conductors of a substrate.

Claim 31

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a plurality of semiconductor dies, each having a plurality of bond pads; a plurality of pieces of polymer tape, each having a plurality of conductors thereon connected to said plurality of bond pads of one of said plurality of semiconductor dies; a first support upon which said plurality of semiconductor dies are mounted; and a second support having a top surface and a bottom surface, said first support being mounted to said top surface of said second support such that said bond pads of said plurality of semiconductor dies face said top surface of said second support, wherein said plurality of pieces of polymer tape are folded back under said second support, said plurality of conductors being connected to conductors of a substrate.

Claim 32

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a semiconductor die having a plurality of bond pads; at least one piece of a flexible interconnect, each having a first end and a second end, and a plurality of conductors on a first side extending substantially from said first end to said second end; and a support, having a top surface and a bottom surface, each of said at least one piece of flexible interconnect having said first end secured to said top surface with said conductors facing away from said top surface and folded back under said support such that conductors face away from said bottom surface of said support, wherein said plurality of bond pads of said semiconductor die are electrically connected to said plurality of conductors facing away from said top surface of said support, and said conductors facing away from said bottom surface of said support are connected to conductors of a substrate.

Claim 33

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a semiconductor die having a plurality of bond pads; at least one piece of a flexible interconnect, each having a first end and a second end, and a plurality of conductors on a first side extending substantially from said first end to said second end; and a support, having a top surface and a bottom surface, each of said at least one piece of flexible interconnect having said first end secured to said top surface with said conductors facing away from said top surface and folded back under said support such that conductors face away from said bottom surface of said support, wherein said plurality of bond pads of said semiconductor die are electrically connected to said plurality of conductors facing away from said top surface of said support, and said conductors facing away from said bottom surface of said support are connected to conductors of a substrate.

Claim 34

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a first semiconductor die secured to a first support; and a second semiconductor die secured to a second support mounted above said first semiconductor die, wherein signals between said first semiconductor die and said second semiconductor die are carried by a plurality of conductors on a plurality of pieces of a flexible interconnect secured to said first and second supports.

Claim 35

A processor system comprising: a central processing unit; and a memory device connected to said central processing unit, said memory device comprising a plurality of semiconductor packages, said semiconductor packages comprising a first semiconductor die secured to a first support; and a second semiconductor die secured to a second support mounted above said first semiconductor die, wherein signals between said first semiconductor die and said second semiconductor die are carried by a plurality of conductors on a plurality of pieces of a flexible interconnect secured to said first and second supports.