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An assembly includes a chip including an integrated circuit, a casing including an integrated circuit and having an upper portion formed on a side of the chip and lower portion formed on another side of the chip, plural through-wafer vias (TWVs) for electrically connecting the integrated circuit of

An assembly includes a chip including an integrated circuit, a casing including an integrated circuit and having an upper portion formed on a side of the chip and lower portion formed on another side of the chip, plural through-wafer vias (TWVs) for electrically connecting the integrated circuit of the chip and the integrated circuit of the casing, and a card connected to the casing for electrically connecting the casing to a system board. The card includes an upper card connected to the upper portion of the casing, and a lower card connected to the lower portion of the casing. The upper card includes one of a photosensor, light emitting element, radio frequency (RF) antenna, and radio frequency emitter. The lower card includes an area array input/output.

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1. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit and including: an upper portion formed on a side of said chip;a lower portion formed on another side of said chip; anda cooling inlet and a cooling outlet for transferring a coolant, provided

1. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit and including: an upper portion formed on a side of said chip;a lower portion formed on another side of said chip; anda cooling inlet and a cooling outlet for transferring a coolant, provided in an upper surface of the casing, and forming outer sidewalls of said upper portion and inner sidewalls of said lower portion;plural through-wafer vias (TWVs) for electrically connecting said integrated circuit of said chip and said integrated circuit of said casing;a system board configured to be electrically connected to the casing; anda plurality of cards connected to said casing for electrically connecting said casing to the system board,wherein said cards comprise: an upper card including a wiring electrically connecting said upper portion of said casing to said system board; anda lower card electrically connecting said lower portion of said casing to said system board,wherein said upper card comprises one of a photosensor, light emitting element, radio frequency (RF) antenna, and radio frequency emitter,wherein said lower card comprises an area array input/output,wherein, in a cross-sectional view, opposing edges of the upper card are located between vertical planes defined by said outer sidewalls of said upper portion of said casing, said outer sidewalls of said upper portion of said casing are located between vertical planes defined by opposing outer sidewalls of said lower portion of said casing, said opposing outer sidewalls of said lower portion of said casing are located between vertical planes defined by opposing edges of the lower card, and a first edge of the opposing edges of the upper card faces and is spaced apart from a surface of said system board. 2. The assembly of claim 1, wherein said upper and lower cards are connected to said upper and lower portions of said casing, respectively, by plural solder balls which are aligned with said plural through-wafer vias such that said plural through-wafer vias are electrically connected to said upper and lower cards. 3. The assembly of claim 2, wherein said chip further comprises a silicon die formed on said integrated circuit of said chip, said plural through-wafer vias being formed in silicon pillars of said silicon die. 4. The assembly of claim 3, wherein said chip comprises plural chips which form a chip stack. 5. The assembly of claim 4, further comprising: a fluid channel formed between an upper surface of a silicon die formed on a first chip in said chip stack, and a lower surface of a second chip formed above said first chip in said chip stack. 6. The assembly of claim 5, wherein said upper and lower portions of said casing form the coolant inlet for transporting said coolant into said chip stack, and the coolant outlet for transporting said coolant out of said chip stack. 7. The assembly of claim 4, wherein said integrated circuits of said plural chips and said integrated circuit of said casing collectively form a three dimensional integrated circuit. 8. The assembly of claim 4, wherein said plural chips in said chip stack comprise different integrated circuits. 9. The assembly of claim 1, wherein said through-wafer vias comprise first vias that run through said chip and electrically connect said integrated circuit of said chip to said upper casing, and second vias that run through said chip and electrically connect said integrated circuit of said chip to said lower casing. 10. The assembly of claim 9, wherein said first and second vias are alternately formed such that an interleaving input/output (I/O) is formed above and below said chip. 11. The assembly of claim 1, wherein said integrated circuit on said chip comprises a microprocessor circuit. 12. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit and including: an upper portion formed on a side of said chip;a lower portion formed on another side of said chip; anda cooling inlet and a cooling outlet for transferring a coolant, provided in an upper surface of the casing, and forming outer sidewalls of said upper portion and inner sidewalls of said lower portion;plural through-wafer vias (TWVs) for electrically connecting said integrated circuit of said chip and said integrated circuit of said casing;a system board configured to be electrically connected to the casing; anda plurality of cards connected to said casing for electrically connecting said casing to the system board,wherein said cards comprise: an upper card including a wiring electrically connecting said upper portion of said casing to said system board; anda lower card electrically connecting said lower portion of said casing to said system board,wherein said upper and lower cards are connected to said upper and lower portions of said casing, respectively, by plural solder balls which are aligned with said plural through-wafer vias such that said plural through-wafer vias are electrically connected to said upper and lower cards,wherein said chip further comprises a silicon die formed on said integrated circuit of said chip, said plural through-wafer vias being formed in silicon pillars of said silicon die,wherein said chip comprises plural chips which form a chip stack,wherein said plural chips in said chip stack comprise identical integrated circuits, and said upper card is connected to VDD and said lower card is connected to GND,wherein, in a cross-sectional view, opposing edges of the upper card are located between vertical planes defined by said outer sidewalls of said upper portion of said casing, said outer sidewalls of said upper portion of said casing are located between vertical planes defined by opposing outer sidewalls of said lower portion of said casing, said opposing outer sidewalls of said lower portion of said casing are located between vertical planes defined by opposing edges of the lower card and a first edge of the opposing edges of the upper card faces and is spaced apart from a surface of said system board. 13. The assembly of claim 12, further comprising: a fluid channel formed between an upper surface of a silicon die formed on a first chip in said chip stack, and a lower surface of a second chip formed above said first chip in said chip stack. 14. The assembly of claim 13, wherein said upper and lower portions of said casing form the coolant inlet for transporting said coolant into said chip stack, and the coolant outlet for transporting said coolant out of said chip stack. 15. The assembly of claim 14, wherein said through-wafer vias comprise first vias that run through said chip and electrically connect said integrated circuit of said chip to said upper casing, and second vias that run through said chip and electrically connect said integrated circuit of said chip to said lower casing. 16. The assembly of claim 15, wherein said first and second vias being alternately formed such that an interleaving input/output (I/O) is formed above and below said chip. 17. The assembly of claim 12, wherein said integrated circuit on said chip comprises a microprocessor circuit. 18. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit and including: an upper portion formed on a side of said chip;a lower portion formed on another side of said chip; anda cooling inlet and a cooling outlet for transferring a coolant, provided in an upper surface of the casing, and forming outer sidewalls of said upper portion and inner sidewalls of said lower portion;plural through-wafer vias (TWVs) for electrically connecting said integrated circuit of said chip and said integrated circuit of said casing;a system board configured to be electrically connected to the casing; anda plurality of cards connected to said casing for electrically connecting said casing to the system board,wherein said cards comprise: an upper card including a wiring electrically connecting said upper portion of said casing to said system board; anda lower card electrically connecting said lower portion of said casing to said system board,wherein said upper and lower cards are connected to said upper and lower portions of said casing, respectively, by plural solder balls which are aligned with saidplural through-wafer vias such that said plural through-wafer vias are electrically connected to said upper and lower cards,wherein said chip further comprises a silicon die formed on said integrated circuit of said chip, said plural through-wafer vias being formed in silicon pillars of said silicon die,wherein said-chip comprises plural chips which form a chip stack,wherein said plural chips in said chip stack comprise different integrated circuits,wherein said upper card is connected to a first signal bus, and said lower card is connected to second signal bus that is different from said first signal bus,wherein, in a cross-sectional view, opposing edges of the upper card are located between vertical planes defined by said outer sidewalls of said upper portion of said casing, said outer sidewalls of said upper portion of said casing are located between vertical planes defined by opposing outer sidewalls of said lower portion of said casing, said opposing outer sidewalls of said lower portion of said casing are located between vertical planes defined by opposing edges of the lower card, and a first edge of the opposing edges of the upper card faces and is spaced apart from a surface of said system board. 19. The assembly of claim 18, further comprising: a fluid channel formed between an upper surface of a silicon die formed on a first chip in said chip stack, and a lower surface of a second chip formed above said first chip in said chip stack. 20. The assembly of claim 19, wherein said upper and lower portions of said casing form the coolant inlet for transporting said coolant into said chip stack, and the coolant outlet for transporting said coolant out of said chip stack.