IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0645026
(2009-12-22)
|
등록번호 |
US-8432031
(2013-04-30)
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발명자
/ 주소 |
- Agness, John R.
- Gu, Mingying
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출원인 / 주소 |
- Western Digital Technologies, Inc.
|
인용정보 |
피인용 횟수 :
108 인용 특허 :
25 |
초록
▼
A semiconductor die that includes a plurality of non-metallic slots that extend through a current routing line is disclosed. The semiconductor die comprises a semiconductor circuit that includes a plurality of semiconductor components and a current trace line that is coupled to a first semiconductor
A semiconductor die that includes a plurality of non-metallic slots that extend through a current routing line is disclosed. The semiconductor die comprises a semiconductor circuit that includes a plurality of semiconductor components and a current trace line that is coupled to a first semiconductor component. Further, the semiconductor die comprises a current routing line that is coupled with the current trace line. The current routing line includes a plurality of non-metallic slots that extend through the current routing line.
대표청구항
▼
1. A semiconductor die comprising: a semiconductor circuit comprising a plurality of semiconductor components;a current trace line coupled to a first semiconductor component; anda current routing line coupled with the current trace line, wherein the current routing line comprises a plurality of non-
1. A semiconductor die comprising: a semiconductor circuit comprising a plurality of semiconductor components;a current trace line coupled to a first semiconductor component; anda current routing line coupled with the current trace line, wherein the current routing line comprises a plurality of non-metallic slots extending through the current routing line,wherein the current routing line comprises a plurality of corner areas in which a corner area of the current routing line is adjacent to a corner area of the semiconductor die, andwherein, at a first corner area of the current routing line, where the first corner area of the current routing line is adjacent to a first corner area of the semiconductor die and extends at an approximately 45° angle with respect to the current routing line coming into and exiting from the first corner area of the current routing line, the plurality of non-metallic slots: extend through the current routing line;include a first row of non-metallic slots and a second row of non-metallic slots, wherein the non-metallic slots of the first row are equally-spaced from one another and the non-metallic slots of the second row are equally-spaced from one another, and wherein the first row of non-metallic slots runs parallel to the second row of non-metallic slots;are aligned parallel with the current routing line of the first corner area; anddo not extend out of the first corner area of the current routing line into the current routing line coming into or exiting from the first corner area of the current routing line. 2. The semiconductor die of claim 1, wherein the plurality of non-metallic slots are filled with a protective coating. 3. The semiconductor die of claim 2, wherein the protective coating is an organic overcoat. 4. The semiconductor die of claim 1, wherein the current routing line is a top metallic layer. 5. The semiconductor die of claim 4, wherein the current routing line comprises Copper (Cu). 6. The semiconductor die of claim 5, wherein the current routing line further comprises Nickel Palladium (NiPd). 7. The semiconductor die of claim 1, wherein the current routing line is a power bus. 8. The semiconductor die of claim 7, further comprising a pin connected to the power bus, the pin connecting the semiconductor circuit through the power bus to an external device. 9. The semiconductor die of claim 1, wherein the current routing line of the first corner area includes rounded edges. 10. The semiconductor die of claim 1, wherein the current routing line of the first corner area is wider than the current routing line outside of the first corner area of the current routing line. 11. The semiconductor die of claim 1, wherein the plurality of non-metallic slots are aligned with a direction of current flow in the current routing line. 12. The semiconductor die of claim 11, wherein a spacing between the plurality of non-metallic slots avoids reducing the current flow in the current routing line. 13. The semiconductor die of claim 1, wherein the non-metallic slots are approximately rectangular shaped. 14. A system comprising: a data storage device; anda semiconductor die coupled to the data storage device, wherein the semiconductor die includes a semiconductor circuit comprising a plurality of semiconductor components, a current trace line coupled to a first semiconductor component, and a current routing line coupled with the current trace line, wherein the current routing line comprises a plurality of non-metallic slots extending through the current routing line,wherein the current routing line comprises a plurality of corner areas in which a corner area of the current routing line is adjacent to a corner area of the semiconductor die, andwherein, at a first corner area of the current routing line, where the first corner area of the current routing line is adjacent to a first corner area of the semiconductor die and extends at an approximately 45° angle with respect to the current routing line coming into and exiting from the first corner area of the current routing line, the plurality of non-metallic slots: extend through the current routing line;include a first row of non-metallic slots and a second row of non-metallic slots, wherein the non-metallic slots of the first row are equally-spaced from one another and the non-metallic slots of the second row are equally-spaced from one another, and wherein the first row of non-metallic slots runs parallel to the second row of non-metallic slots;are aligned parallel with the current routing line of the first corner area; anddo not extend out of the first corner area of the current routing line into the current routing line coming into or exiting from the first corner area of the current routing line. 15. The system of claim 14, wherein the data storage device is a disk drive. 16. The system of claim 14, wherein the data storage device is a flash memory. 17. The system of claim 14, wherein the plurality of non-metallic slots are filled with a protective coating. 18. The system of claim 17, wherein the protective coating is an organic overcoat. 19. The system of claim 14, wherein the current routing line is a top metallic layer. 20. The system of claim 19, wherein the current routing line comprises Copper (Cu). 21. The system of claim 20, wherein the current routing line further comprises Nickel Palladium (NiPd). 22. The system of claim 14, wherein the current routing line is a power bus. 23. The system of claim 22, further comprising a pin connected to the power bus, the pin connecting the semiconductor circuit through the power bus to an external device. 24. The system of claim 14, wherein the current routing line of the first corner area includes rounded edges. 25. The system of claim 14, wherein the current routing line of the first corner area is wider than the current routing line outside of the first corner area of the current routing line. 26. The system of claim 14, wherein the plurality of non-metallic slots are aligned with a direction of current flow in the current routing line. 27. The system of claim 26, wherein a spacing between the plurality of non-metallic slots avoids reducing the current flow in the current routing line. 28. The system of claim 14, wherein the non-metallic slots are approximately rectangular shaped. 29. A method for forming a plurality of non-metallic slots in a semiconductor die comprising: coupling a current trace line to a first semiconductor component of the semiconductor die;coupling a current routing line to the current trace line, wherein the current routing line comprises a plurality of corner areas in which a corner area of the current routing line is adjacent to a corner area of the semiconductor die; andforming a plurality of non-metallic slots in the current routing line at a first corner area of the semiconductor die that extend through the current routing line;wherein, at the first corner area of the current routing line, where the first corner area of the current routing line is adjacent to the first corner area of the semiconductor die and extends at an approximately 45° angle with respect to the current routing line coming into and exiting from the first corner area of the current routing line, the plurality of non-metallic slots are formed to: include a first row of non-metallic slots and a second row of non-metallic slots, wherein the non-metallic slots of the first row are equally-spaced from one another and the non-metallic slots of the second row are equally-spaced from one another, and wherein the first row of non-metallic slots runs parallel to the second row of non-metallic slots;align parallel with the current routing line of the first corner area; andnot extend out of the first corner area of the current routing line into the current routing line coming into or exiting from the first corner area of the current routing line. 30. The method of claim 29, further comprising filling the plurality of non-metallic slots with a protective coating. 31. The method of claim 30, wherein the protective coating is an organic overcoat. 32. The method of claim 29, further comprising forming the plurality of non-metallic slots such that the non-metallic slots are approximately equally-spaced from one another. 33. The method of claim 29, wherein the current routing line is a top metallic layer. 34. The method of claim 33, wherein the current routing line comprises Copper (Cu). 35. The method of claim 34, wherein the current routing line further comprises Nickel Palladium (NiPd).
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