WO2005038917A1 - 半導体装置のパッケージ構造およびパッケージ化方法 - Google Patents
半導体装置のパッケージ構造およびパッケージ化方法 Download PDFInfo
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- WO2005038917A1 WO2005038917A1 PCT/JP2003/016012 JP0316012W WO2005038917A1 WO 2005038917 A1 WO2005038917 A1 WO 2005038917A1 JP 0316012 W JP0316012 W JP 0316012W WO 2005038917 A1 WO2005038917 A1 WO 2005038917A1
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- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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Definitions
- the present invention relates to a semiconductor device package structure and a method for packaging the same.
- SIP System in Package
- a semiconductor chip 30 is mounted on a package substrate 10
- another semiconductor chip 40 is further mounted on this semiconductor chip 30.
- the wire W is wire-bonded between 40 and the package substrate 10.
- an object of the present invention is to facilitate electrical connection between semiconductor chips without restricting the position, pitch, signal arrangement, etc. of external connection terminals of each semiconductor chip when combined with a plurality of semiconductor chips.
- an object of the present invention is to provide a package structure and a packaging method of a semiconductor device which solve the above-mentioned problems.
- Another object of the present invention is to allow a semiconductor chip supplier to easily assure the KGD (Known-Good-Die) of a semiconductor chip constituting a SIP, and to assemble a SIP manufacturer. On the other hand, the company has made it possible to manufacture SIP with high yield using KGD semiconductor chips.
- An object of the present invention is to provide a package structure and a packaging method of a conductor device.
- the present invention provides an internal terminal for connecting a terminal of a semiconductor chip to be mounted, an external terminal for connecting a terminal other than the terminal of the semiconductor chip, and an electrical connection between the external terminal and the internal terminal.
- a semiconductor chip mount sub-substrate in which a semiconductor chip is mounted on a sub-substrate on which conductor wiring to be connected is formed;
- the invention is characterized in that in (1), the semiconductor chip mount sub-substrate is mounted on a semiconductor chip mounted on the base material.
- the present invention is characterized in that, in (1), a plurality of the semiconductor chip mount sub-boards are provided, and the semiconductor chip mount sub-boards are stacked and arranged on the base material.
- the present invention is characterized in that in (1), the semiconductor chip mount sub-substrate is configured by mounting semiconductor chips on both surfaces of the sub-substrate with the sub-substrate interposed therebetween.
- the invention is characterized in that in (1), the semiconductor chip mount sub-substrate is configured by stacking a plurality of semiconductor chips on the sub-substrate.
- the semiconductor chip mounted on the sub-substrate is resin-sealed together with the sub-substrate separately from the resin sealing of the substrate. It is characterized by the configuration.
- a terminal for connecting to a test device for performing a predetermined reliability test or operation test is provided before mounting the sub-substrate on the base material.
- the semiconductor chip mount sub-substrate is characterized in that the terminal is cut off after performing the predetermined reliability test or the operation test using the terminal before being mounted on the base material.
- the present invention provides an internal terminal for connecting a terminal of a semiconductor chip to be mounted, an external terminal for connecting a terminal other than the terminal of the semiconductor chip, and a connection between the external terminal and the internal terminal.
- a semiconductor chip is mounted on a sub-substrate on which conductor wiring to be electrically connected is formed to form a semiconductor chip-mount sub-substrate, and the semiconductor chip mount sub-substrate is mounted on a substrate or a frame-like base material.
- the semiconductor device is packaged by collectively sealing the semiconductor chip mounting sub-substrate together with the base material with a resin.
- a terminal for connecting a test device to the sub-substrate is provided before the substrate is mounted on the base material, and the test device is connected to the terminal. After the connection, a predetermined reliability test or operation test is performed, and after the reliability test or the operation test is performed, the terminal is cut off to form a semiconductor chip mounting sub-board, and the semiconductor chip mounting sub-board is attached to the base material. It is characterized by being mounted.
- FIG. 1 is a plan view showing a package structure of the semiconductor device according to the first embodiment.
- FIG. 2 is a sectional view of a main part of the semiconductor device.
- FIG. 3 is a plan view showing the structure of the semiconductor device according to the second embodiment.
- FIG. 4 is a cross-sectional view illustrating the structure of the semiconductor device according to the third embodiment.
- FIG. 5 is a cross-sectional view illustrating a structure of a semiconductor device according to the fourth embodiment.
- FIG. 6 is a cross-sectional view illustrating a structure of four semiconductor devices according to the fifth embodiment.
- FIG. 8 is a flowchart showing an assembling process of the entire semiconductor device including a test of a sub-board of the semiconductor device.
- FIG. 9 is a cross-sectional view showing a configuration of a conventional semiconductor device.
- FIGS. 1-10 A package structure of a semiconductor device according to a first embodiment and a method of packaging the semiconductor device will be described with reference to FIGS.
- FIG. 1 is a plan view of a semiconductor device
- FIG. 2 is a sectional view of a main part thereof. 1 and 2
- a semiconductor chip 30 is die-bonded on the upper surface of the package substrate 10.
- the semiconductor chip 50 is mounted on a sub-substrate 20.
- the sub-substrate 20 and the semiconductor chip 50 constitute a semiconductor chip mounting sub-substrate 60.
- the semiconductor chip mounting sub-board 60 is mounted by bonding the lower surface (the lower surface of the sub-substrate 20) to the semiconductor chip 30.
- the semiconductor chip 40 is mounted on the semiconductor chip 30.
- a plurality of terminals 11 1, 11 ′ are arranged on the upper surface of the package substrate 10.
- a plurality of solder poles 12 are arranged and formed on the lower surface of the package substrate 10. The terminals 11 1, 11 ′ on the upper surface of the package substrate 10 and the solder poles 12 on the lower surface are electrically connected via a wiring layer inside the package substrate 10.
- terminals arranged around the upper surface of the semiconductor chip 30 and the terminals 11 arranged on the upper surface of the package substrate 10 are wire-bonded with the wires W31.
- Terminals 51 are formed on the upper surface of the semiconductor chip 50.
- a terminal 21 corresponding to the “internal terminal” according to the present invention is formed on the upper surface of the sub-substrate 20, and a wire W52 is wire-bonded between the two.
- a terminal 22 corresponding to the “external terminal” according to the present invention is formed on the upper surface of the sub-substrate 20, a terminal 22 corresponding to the “external terminal” according to the present invention is formed. Sub-board between these terminals 22 and 21 Electrical conduction is made via a wiring layer inside 20.
- the wire W21 connects between the terminal 22 of the sub-substrate 20 and the terminal 11 'of the package substrate 10.
- the semiconductor chip mounting sub-board 60 can be handled like a KGD semiconductor chip and mounted on a package substrate together with other semiconductor chips.
- the semiconductor chip 40 is not designed with the sub-substrate because it is already designed to be used as the SIP together with the semiconductor chip 30.
- the terminal 41 on the upper surface of the semiconductor chip 40 and the terminal 31 formed on the upper surface of the semiconductor chip 30 are wire-bonded with a wire W43. Further, a wire W41 is wire-bonded between the predetermined terminal 41 'of the semiconductor chip 40 and the terminal 11' on the package substrate.
- FIG. 1 shows a state before the upper portion of the package substrate 10 is sealed with resin.
- the entirety of the semiconductor chips 30 and 40, the semiconductor chip mounting sub-substrate 60, and the wires connecting them are sealed with a sealing resin 13. It is sealed.
- the semiconductor chip 30 is another semiconductor chip, and its size is, for example, 8.5 mm ⁇ 8.5 mm.
- the semiconductor chip 40 is another semiconductor chip.
- the semiconductor chip 50 on the sub-substrate 20 is, for example, a 32 MX32-bit DRAM, and its size is, for example, 3.0 mm ⁇ 5.7 mm. Since the semiconductor chip 50 has the terminals 51 arranged on the short sides thereof, the terminals 21 are arranged at positions along the short sides of the semiconductor chips 50 on the sub-substrate 20. This allows the wire length of the wire W52 to be short. Also, close to the terminal 1 1 ′ on the package substrate 10 The terminals 22 are arranged and formed at predetermined positions on the sub-substrate 20 along one long side. By arranging the sub-substrate 20 near the terminal 11 ′ on the package substrate 10, the wire length of the wire W 21 can be reduced.
- FIG. 3 is a plan view of the semiconductor device according to the second embodiment.
- the difference from the example shown in FIG. 1 is the structure of the semiconductor chip mounting sub-board 60.
- two semiconductor chips 5OA and 5OB are mounted on the sub-substrate 20. These are 16 M ⁇ 16 bit DRAMs, respectively, and each terminal 51 is formed at the center of the semiconductor chip. Even when a plurality of semiconductor chips are used in this way, by mounting them on a single sub-substrate 20, the semiconductor chip mounting
- each semiconductor chip 5 OA , 50 B, and the wire W 52 between the terminal 21 on the sub-substrate 20 and the terminal 21 on the sub-substrate 20 is made short.
- FIG. 4 is a sectional view of a main part of the semiconductor device according to the third embodiment.
- a semiconductor chip mount sub-substrate 60 is formed by mounting two conductor chips 50A and 50B on the upper surface of the sub-substrate 20 and performing wire bonding.
- the sub-substrate 20 is provided with wiring for making an electrical connection between the semiconductor chips 50A and 50B.
- a semiconductor chip mount sub-substrate 60 is mounted on the upper surface of the semiconductor chip 30.
- other semiconductor chips 40 are also mounted.
- the semiconductor The periphery of the chips 5 OA and 50 B is sealed with a sealing resin 23.
- a sealing resin 23 By setting the semiconductor chip in a state of being sealed with the resin in the state of the semiconductor chip mount sub-substrate 60, handling when the semiconductor chip mount sub-substrate 60 is bonded to the semiconductor chip 30 becomes easy. In addition, it becomes easy to transport the semiconductor chips 50A and 50B between processes in a state of the semiconductor chip mount sub-substrate 60 while keeping the environment around the semiconductor chips clean.
- the above sealing resin 23 is finally covered with the sealing resin 13 on the package substrate 10 and is not exposed to the outside of the semiconductor device, so that a mechanical strength similar to that of the sealing resin 13 is required. Instead, it is sufficient to use a simple method for resin sealing. For example, resin sealing is performed by a method of potting a liquid resin without using a transfer mold method.
- FIG. 5 is a sectional view of a main part of a semiconductor device according to the fourth embodiment.
- packaging is performed using a package substrate as a base material.
- a plurality of semiconductor chips are packaged using a lead frame 9 as a base material. .
- a semiconductor chip 30 is die-bonded to the center of the lead frame 9.
- a semiconductor chip mount sub-substrate 60 including a semiconductor 50 and a sub-substrate 20 and a single semiconductor chip 40 are mounted on the semiconductor chip 30.
- the wire W39 is wire-bonded between the semiconductor chip 30 and the inner lead portion of the lead frame 9.
- Wire bonding between the semiconductor chip 40 and the inner lead of the lead frame 9 is performed by a wire W49.
- Wire between the terminal of the sub-board 20 and the inner lead of the lead frame 9 Wire bonding with W29.
- These semiconductor chip portions and wire portions are resin-sealed with a sealing resin 13. In this way, a semiconductor device with lead terminals in which the outer leads of the lead frame 9 project outside the sealing resin 13 can be configured.
- FIG. 6 shows a package structure and a packaging method of a semiconductor device according to a fifth embodiment. These are all cross-sectional views of the main part,
- the semiconductor chips 50 are flip-chip bonded to both surfaces of the sub-substrate 20 respectively.
- the periphery of these semiconductor chips 50 is sealed with a sealing resin 23 to form a semiconductor chip mounting sub-board 60.
- a semiconductor chip 30 is flip-chip bonded to the upper surface of the package substrate 10.
- a semiconductor chip mount sub-substrate 60 is adhered to the upper part of the semiconductor chip 30, and a wire W 21 is used between the terminal formed on the upper surface of the sub-substrate 20 and the terminal formed on the upper surface of the package substrate 10. Is reading.
- Solder poles 12 are arrayed on the lower surface of the package substrate 10.
- the entirety including the semiconductor chip 30 and the semiconductor chip mount sub-substrate 60 is resin-sealed with an encapsulation resin 13 on the upper part of the package substrate 10.
- FIG. 6 shows only the outer shape of the sealing resin 13.
- two semiconductor chips 50 are stacked on the sub-substrate 20.
- the semiconductor chip 50 and the sub-substrate 20 are wire-bonded.
- the periphery of these semiconductor chips 50 is sealed with a sealing resin 23.
- a semiconductor chip 30 is flip-chip bonded to the upper surface of the package substrate 10, and a semiconductor chip mount sub-substrate 60 is bonded to the upper part of the semiconductor chip 30, and the sub-substrate 20 and the package substrate 10 are bonded. Is wire-bonded with a wire W21.
- Other configurations are the same as in (A).
- the semiconductor chip 50 may be flip-chip bonded to the sub-substrate 20. Also, another semiconductor chip is flip-chip bonded onto the semiconductor chip. Is also good.
- the first semiconductor chip mount sub-substrate 60A formed by flip-chip bonding a semiconductor chip 5OA to the sub-substrate 2OA, and the semiconductor chip 5A to the sub-substrate 20B.
- a semiconductor chip 30 is flip-chip bonded on the upper surface of the package substrate 10.
- a semiconductor chip 30 is flip-chip bonded to a package substrate 10
- a first semiconductor chip mounting sub-substrate 60 A is bonded to the upper surface of the semiconductor chip 30, and Wire W2A between the upper surface of the substrate 2 OA and each terminal of the package substrate 10 is wire-bonded.
- the adhesive sheet 70 is placed on the upper surface of the semiconductor chip mount sub-board 60 A (the upper surface of the semiconductor chip 50 A), and the second semiconductor chip mount sub-board 60 B is mounted on the first semiconductor chip mount. Adhesively fix to the sub board 60A.
- the adhesive sheet 70 may be provided in advance on the lower surface side of the sub substrate 20B of the second semiconductor chip sub substrate 60B.
- two semiconductor chip mount sub-boards 60A and 60B are arranged in the horizontal direction with respect to the package board 10. These semiconductor chip mounting sub-boards 6OA and 60B are configured by flip-chip bonding semiconductor chips 50A and 50B on the upper surface of the sub-boards 2OA and 20B, respectively.
- a semiconductor chip is placed on the top surface of the package substrate 10. Steps 9 A and 9 B are flip-chip bonded.
- Semiconductor chip mount sub-boards 60A and 60B are bonded to the upper surfaces of these semiconductors 9A and 9B.
- a wire W21 is wire-bonded between the terminals on the upper surfaces of the sub-substrates 20A and 20B and the terminals of the package substrate 10.
- Other configurations are the same as (A) to (C).
- the wires were connected between the sub-board 20 and the package board 10 with wires, but external terminals were arranged around the sub-board, and these external terminals were connected to the package board.
- the upper terminal may be electrically and mechanically joined by pressure welding.
- solder bumps are formed as external terminals on the bonding surface of the sub-substrate (the surface facing the package substrate, etc.), and the terminals on the package substrate and the terminals on the semiconductor chip mounted on the package substrate are The solder bumps may be joined.
- FIG. 7B shows a “sub-board before separation” 200 in which a reliability test and an operation test of a plurality of semiconductor chip mount sub-boards are performed
- FIG. 7A shows a sub-board before separation
- the sub-substrate unit 200 ′ at the time of testing which is one unit of the substrate 200, is enlarged.
- a semiconductor chip 50 is mounted on the sub-board unit 20 ′, and a wire W 52 is wire-bonded between the terminal 51 of the semiconductor chip 50 and the terminal 21 on the sub-board side.
- the test terminals 25 are formed on the sub-board at a pitch larger than the arrangement pitch of the terminals 21, and the test terminals 25 and the terminals 21 are connected by wirings 24, respectively.
- the area indicated by the two-dot chain line in the figure is the area that becomes the sub-substrate 20 after the separation, and the semiconductor chip mounting Used as a sub-substrate. External terminals (terminals corresponding to terminal 22 in FIG. 1) are omitted in FIG.
- a test device is connected to each test terminal 25, and various reliability tests and operation tests are performed. For example, screening such as the aforementioned high-temperature continuous operation test (Burn-in) is performed. Then, non-defective semiconductor chip mounting sub-boards by the semiconductor chip 50 and the sub-board 20 are selected.
- FIG. 8 is a flowchart showing an assembling process of the entire semiconductor device including the test of the sub-substrate.
- a test is performed with the semiconductor chip mounted on the sub-substrate in the wafer state. (S11). Thereafter, the back surface of the wafer is polished to reduce the thickness to a predetermined thickness (S12), and separated into individual semiconductor chips 50 by wafer dicing (S13).
- the semiconductor chip 50 deemed non-defective among these semiconductor chips is mounted on the sub-substrate 20 (S14). Subsequently, the semiconductor chip portion is sealed with a resin if necessary (S15). After that, the above-described reliability test and operation test are performed, and the quality of each semiconductor chip is determined (S16). Thereafter, the respective sub-substrate 20 regions are separated (S17).
- a semiconductor chip mounted on the package substrate 10 is tested in a wafer state (S21). Thereafter, wafer polishing and wafer dicing are performed (S22 ⁇ S23), and each semiconductor chip 30 is mounted on the package substrate 10 (S24). Thereafter, the semiconductor chip mount sub-board 60, which is the above-mentioned KGD, is mounted (S25). Then the package The upper part of the substrate 10 is sealed with resin and cut into individual package substrates (S26). Then, for each semiconductor device, various reliability tests and operation tests similar to those performed on the sub-substrate described above are performed (S27). In this way, a good semiconductor device is obtained.
- a test may be performed on a plurality of semiconductor devices before the package substrate is separated, and after that, the semiconductor device may be sealed with resin and separated as a package substrate (S26 ').
- connection of each part between the semiconductor chip and the semiconductor chip, between the package substrate and the sub substrate, between the semiconductor chip and the package substrate, and between the semiconductor chip and the sub substrate is performed by wire bonding and flip chip connection.
- some or all of these parts may be connected using a wiring sheet or the like in which wiring is provided on a flexible sheet. That is, a plurality of wirings having terminals at both ends may be formed on a wiring sheet, and these terminals may be connected to terminals on the other side to be connected.
- one terminal of the wiring sheet may be connected to the terminal of the sub-board, and the other terminal of the wiring sheet may be connected to the terminal of the package board.
- an internal terminal for connecting a terminal of a semiconductor chip to be mounted, an external terminal for connecting a terminal other than the terminal of the semiconductor chip, and an electrical connection between the external terminal and the internal terminal A semiconductor chip mounted on a sub-substrate on which a semiconductor chip is mounted, the semiconductor chip-mounting substrate being mounted on the substrate together with other semiconductor chips.
- the chip mount sub-board can be used as one semiconductor chip of a plurality of semiconductor chips constituting a conventional SIP, for example. At this time, since the semiconductor chip is mounted on the sub-substrate, reliability tests and operation tests can be performed in the state of the semiconductor chip-mounted sub-substrate. Can handle semiconductor chip mount sub-board.
- the terminals of the lower semiconductor chip and the terminals of the upper semiconductor chip mounting sub-board are connected. Can be designed. Alternatively, a semiconductor chip already designed and manufactured can be used as it is. As a result, cost can be reduced.
- the overall thickness can be reduced by mounting the semiconductor chip mount sub-substrate on the semiconductor chip on the base material.
- a plurality of semiconductor chip mounting sub-boards are provided, and the semiconductor chip mounting sub-boards are stacked and arranged on the base material. Can be configured.
- semiconductor chips are mounted on both sides of the semiconductor chip mounting sub-board, many semiconductor chips can be packaged without increasing the mounting area of the semiconductor chip mounting sub-board with respect to the base material. it can.
- the semiconductor chip mount sub-substrate is formed by stacking a plurality of semiconductor chips on the sub-substrate, so that the mounting area of the semiconductor chip mount sub-substrate with respect to the base material is increased. More semiconductor chips can be packaged in a single package.
- the semiconductor chip mounted sub-substrate is resin-sealed together with the sub-substrate and the semiconductor chip mounted on the sub-substrate separately from the resin sealing of the base material. Handling is easy in the state of the mounting sub-substrate, and the reliability of the semiconductor chip mounting sub-substrate can be easily secured.
- a terminal for connecting to a test device for performing a predetermined reliability test or an operation test is provided.
- this semiconductor chip mount sub-board can be treated as an element similar to a semiconductor chip that guarantees KGD.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003289336A AU2003289336A1 (en) | 2003-10-20 | 2003-12-15 | Package structure and packaging method of semiconductor device |
US10/595,424 US20070132080A1 (en) | 2003-10-20 | 2003-12-15 | Semiconductor chip mounted interposer, semiconductor device, semiconductor chip interposer fabrication method, bare chip mounted interposer, and interposer sheet |
US12/235,734 US7723835B2 (en) | 2003-10-20 | 2008-09-23 | Semiconductor device package structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-359896 | 2003-10-20 | ||
JP2003359896A JP2005123542A (ja) | 2003-10-20 | 2003-10-20 | 半導体装置のパッケージ構造およびパッケージ化方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/595,424 A-371-Of-International US20070132080A1 (en) | 2003-10-20 | 2003-12-15 | Semiconductor chip mounted interposer, semiconductor device, semiconductor chip interposer fabrication method, bare chip mounted interposer, and interposer sheet |
US12/235,734 Continuation US7723835B2 (en) | 2003-10-20 | 2008-09-23 | Semiconductor device package structure |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005038917A1 true WO2005038917A1 (ja) | 2005-04-28 |
Family
ID=34463363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016012 WO2005038917A1 (ja) | 2003-10-20 | 2003-12-15 | 半導体装置のパッケージ構造およびパッケージ化方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20070132080A1 (ja) |
JP (1) | JP2005123542A (ja) |
AU (1) | AU2003289336A1 (ja) |
WO (1) | WO2005038917A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007311395A (ja) * | 2006-05-16 | 2007-11-29 | Toppan Printing Co Ltd | 半導体装置及び半導体装置の製造方法 |
US7420206B2 (en) | 2006-07-12 | 2008-09-02 | Genusion Inc. | Interposer, semiconductor chip mounted sub-board, and semiconductor package |
JP2008091638A (ja) | 2006-10-02 | 2008-04-17 | Nec Electronics Corp | 電子装置およびその製造方法 |
US8550650B1 (en) | 2010-08-10 | 2013-10-08 | Patrick McGinty | Lighted helmet with heat pipe assembly |
JP5973371B2 (ja) * | 2013-03-21 | 2016-08-23 | 日立オートモティブシステムズ株式会社 | 熱式流量計 |
CN111129090B (zh) * | 2019-12-18 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | 显示面板及其测试方法 |
JP7301009B2 (ja) * | 2020-02-10 | 2023-06-30 | 三菱電機株式会社 | 半導体装置、および半導体装置の製造方法 |
TWI791200B (zh) * | 2021-03-12 | 2023-02-01 | 華東科技股份有限公司 | 薄型系統級封裝 |
TW202236570A (zh) * | 2021-03-12 | 2022-09-16 | 華東科技股份有限公司 | 系統級封裝 |
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- 2003-10-20 JP JP2003359896A patent/JP2005123542A/ja active Pending
- 2003-12-15 WO PCT/JP2003/016012 patent/WO2005038917A1/ja active Application Filing
- 2003-12-15 US US10/595,424 patent/US20070132080A1/en not_active Abandoned
- 2003-12-15 AU AU2003289336A patent/AU2003289336A1/en not_active Abandoned
-
2008
- 2008-09-23 US US12/235,734 patent/US7723835B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
AU2003289336A1 (en) | 2005-05-05 |
US20070132080A1 (en) | 2007-06-14 |
US20090065922A1 (en) | 2009-03-12 |
US7723835B2 (en) | 2010-05-25 |
JP2005123542A (ja) | 2005-05-12 |
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