Assembly including plural through wafer vias, method of cooling the assembly and method of fabricating the assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-023/34
H01L-023/498
H01L-023/473
H01L-025/065
H01L-023/46
출원번호
US-0924256
(2015-10-27)
등록번호
US-9905505
(2018-02-27)
발명자
/ 주소
Bernstein, Kerry
Brunschwiler, Thomas
Michel, Bruno
출원인 / 주소
INTERNATIONAL BUSINESS MACHINES CORPORATION
대리인 / 주소
Alexanian, Vazken
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
An assembly includes a chip including an integrated circuit, a casing including an integrated circuit including plural active elements and including an upper portion formed on a side of the chip, a lower portion formed on another side of the chip, and a cooling inlet and a cooling outlet for transfe
An assembly includes a chip including an integrated circuit, a casing including an integrated circuit including plural active elements and including an upper portion formed on a side of the chip, a lower portion formed on another side of the chip, and a cooling inlet and a cooling outlet for transferring a coolant, provided in an upper surface of the casing, and forming outer sidewalls of the upper portion and inner sidewalls of the lower portion, 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.
대표청구항▼
1. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit including plural active elements 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
1. An assembly, comprising: a chip including an integrated circuit;a casing including an integrated circuit including plural active elements 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;a system board configured to be electrically connected to the casing;plural through-wafer vias (TWVs) for electrically connecting said integrated circuit of said chip and said integrated circuit of said casing; anda plurality of cards connected to said casing for electrically connecting said casing to said system board,wherein the plurality of cards comprises: an upper card 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, andwherein, 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, and said opposing outer sidewalls of said lower portion of said casing are located between vertical planes defined by opposing edges of the lower card. 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 including said integrated circuit comprises plural chips including plural integrated circuits, said plural chips forming 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 a coolant inlet for transporting coolant into said chip stack, and a coolant outlet for transporting said coolant out of said chip stack. 7. 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. 8. The assembly of claim 7, wherein said first and second vias being alternately formed such that an interleaving input/output (I/O) is formed above and below said chip. 9. The assembly of claim 1, wherein said integrated circuit of said chip comprises a microprocessor circuit. 10. 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. 11. The assembly of claim 4, wherein said plural chips in said chip stack comprise different integrated circuits. 12. The assembly of claim 1, wherein said integrated circuit of casing comprises an integrated circuit including plural active elements formed on said upper portion of said casing and an integrated circuit including plural active elements formed on said lower portion of said casing. 13. The assembly of claim 1, wherein said TWVs are included in said upper and lower portions of said casing. 14. 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;a system board configured to be electrically connected to the casing;plural through-wafer vias (TWVs) for electrically connecting said integrated circuit of said chip and said integrated circuit of said casing; anda plurality of cards connected to said casing for electrically connecting said casing to said system board,wherein said plural through-wafer vias are included in said upper and lower portions of said casing,wherein the plurality of cards comprises: an upper card 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, andwherein, 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, and said opposing outer sidewalls of said lower portion of said casing are located between vertical planes defined by opposing edges of the lower card. 15. The assembly of claim 14, 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. 16. The assembly of claim 15, 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. 17. The assembly of claim 16, wherein said chip including said integrated circuit comprises plural chips including plural integrated circuits, said plural chips forming a chip stack. 18. The assembly of claim 14, wherein said integrated circuit of casing comprises an integrated circuit including plural active elements formed on said upper portion of said casing and an integrated circuit including plural active elements formed on said lower portion of said casing. 19. The assembly of claim 1, wherein, in the cross-sectional view, an edge of the opposing edges of the upper card faces and is spaced apart from a surface of said system board.
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이 특허에 인용된 특허 (22)
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